Company lists · Data refreshed November 2026
Top 25 Hematology oncology practices worldwide
RevenueBase identified 735 company matches for hematology oncology practices worldwide as of November 2026 and tracks 30,307 professional contacts across them, including 5,622 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for hematology oncology practices worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for hematology oncology practices follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest hematology oncology practices worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,714 contacts → | ||||
Exact match “Founded in 1984, Florida Cancer Specialists & Research Institute (FCS) is the largest independent medical oncology/hematology practice in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,559 contacts → | ||||
Exact match “Icon Group is a leading integrated healthcare provider with global reach across Australia, New Zealand, ASEAN, the United Kingdom and Germany.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 840 contacts → | ||||
Exact match “Fundada em 2011, a Oncologia D’Or é composta por clínicas focadas no diagnóstico e tratamento do câncer e de doenças hematológicas, com padrão de qualidade reconhecido…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 816 contacts → | ||||
Exact match “As a comprehensive community oncology center, NYCBS delivers world-class cancer care close to home.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 394 contacts → | ||||
Exact match “Somos la institución de mayor integralidad en la atención del paciente oncológico en el Eje Cafetero colombiano.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 318 contacts → | ||||
Exact match “Georgia Cancer Specialists is a Top 10 private cancer practice in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 316 contacts → | ||||
Exact match “O INGOH é um lugar onde cada vida conta.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 290 contacts → | ||||
Exact match “Oncology Consultants has been a premiere adult medical oncology and hematology practice in Houston, TX since 1982.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 289 contacts → | ||||
Exact match “Founded in 2007, The Oncology Institute of Hope and Innovation (TOI) is advancing oncology by delivering highly specialized, value-based cancer care in the community setting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 272 contacts → | ||||
Exact match “The Center for Cancer and Blood Disorders was founded in 1994 by two groups of cancer specialists who had been in separate private practices for nearly fifteen years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 267 contacts → | ||||
Exact match “Our Mission: At The Cancer & Hematology Centers we are dedicated to help, healing and hope for cancer patients and their families.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 264 contacts → | ||||
Exact match “Cuidado oncológico integrado, especializado e centrado em cada paciente.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 252 contacts → | ||||
Exact match “Há cinco décadas, o Hemolabor tem um propósito que atravessa gerações: cuidar da vida em todas as suas fases.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 250 contacts → | ||||
Exact match “Join the Compass Family!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 246 contacts → | ||||
Exact match “Clearview Cancer Institute is north Alabama's leading cancer treatment facility.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 217 contacts → | ||||
Exact match “Illinois CancerCare is one of the largest private oncology and hematology practices in Illinois and in the entire nation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 216 contacts → | ||||
Exact match “When you hear the word cancer, start here.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 180 contacts → | ||||
Exact match “California Cancer Associates for Research and Excellence (cCARE), is the largest full-service, private oncology practice in California.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 179 contacts → | ||||
Exact match “Borderless Hematology means creating an environment where knowledge and expertise have unlimited potential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 163 contacts → | ||||
Exact match “What makes our practice truly special is that everyone at HOA is “united in spirit” – a spirit that is utterly un-crushable and filled with possibilities and hope.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 163 contacts → | ||||
Exact match “Fundacion para combatir la Leucemia” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 150 contacts → | ||||
Exact match “The Arizona Center for Cancer Care is a Multispecialty Oncology group that is comprised of Radiation Oncology, Medical Oncology and Hematology, Gynecologic Oncology, Urology, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 146 contacts → | ||||
Exact match “At Virginia Cancer Institute, we bring you a world of medical breakthroughs in the treatment of cancer and blood disorders.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 144 contacts → | ||||
Exact match “Nebraska Cancer Specialists (NCS) is a leading community-based oncology and hematology practice committed to providing advanced, compassionate cancer care across Nebraska.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 143 contacts → | ||||
Exact match “Piedmont Cancer Institute is committed to providing compassionate care through our dedication to excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “hematology oncology practices”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 735 hematology oncology practices worldwide
See the full list, filter by size, metro and specialty, and access 5,622 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hematology oncology practices worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for hematology oncology practices are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hematology oncology practices” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 5,622 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Hematology oncology practices by location
3 lists · largest firstEvery Hematology oncology practices list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hematology oncology practices”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hematology oncology practices are there worldwide?
RevenueBase identified 735 company matches for hematology oncology practices worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Florida Cancer Specialists & Research Institute tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most hematology oncology practices?
The United States leads with 292 companies, followed by Brazil (134) and India (54). Every hematology oncology practices list by country and city is linked on this page.
Which city has the most hematology oncology practices?
Sao Paulo leads with 18 company records, followed by Fortaleza (8) and Goiania (8).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,622 professional contacts with verified work emails tracked across these 735 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 735 hematology oncology practices worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 hematology oncology practices worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 735 matching company records for hematology oncology practices worldwide, with 30,307 tracked contacts and 5,622 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hematology oncology practices worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Fort Myers, FL, United StatesReported employees: 1,001-5,000 | Fort Myers, FL, United States | 1,001-5,000 | Exact match | 2,714 contacts → |
“Founded in 1984, Florida Cancer Specialists & Research Institute (FCS) is the largest independent medical oncology/hematology practice in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Brisbane, AustraliaReported employees: 1,001-5,000 | Brisbane, Australia | 1,001-5,000 | Exact match | 1,559 contacts → |
“Icon Group is a leading integrated healthcare provider with global reach across Australia, New Zealand, ASEAN, the United Kingdom and Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 840 contacts → |
“Fundada em 2011, a Oncologia D’Or é composta por clínicas focadas no diagnóstico e tratamento do câncer e de doenças hematológicas, com padrão de qualidade reconhecido…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Port Jefferson Station, NY, United StatesReported employees: 1,001-5,000 | Port Jefferson Station, NY, United States | 1,001-5,000 | Exact match | 816 contacts → |
“As a comprehensive community oncology center, NYCBS delivers world-class cancer care close to home.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Pereira, ColombiaReported employees: 501-1,000 | Pereira, Colombia | 501-1,000 | Exact match | 394 contacts → |
“Somos la institución de mayor integralidad en la atención del paciente oncológico en el Eje Cafetero colombiano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 318 contacts → |
“Georgia Cancer Specialists is a Top 10 private cancer practice in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Goiânia, BrazilReported employees: 201-500 | Goiânia, Brazil | 201-500 | Exact match | 316 contacts → |
“O INGOH é um lugar onde cada vida conta.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 290 contacts → |
“Oncology Consultants has been a premiere adult medical oncology and hematology practice in Houston, TX since 1982.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Cerritos, CA, United StatesReported employees: 501-1,000 | Cerritos, CA, United States | 501-1,000 | Exact match | 289 contacts → |
“Founded in 2007, The Oncology Institute of Hope and Innovation (TOI) is advancing oncology by delivering highly specialized, value-based cancer care in the community setting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 272 contacts → |
“The Center for Cancer and Blood Disorders was founded in 1994 by two groups of cancer specialists who had been in separate private practices for nearly fifteen years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Grand Rapids, MI, United StatesReported employees: 501-1,000 | Grand Rapids, MI, United States | 501-1,000 | Exact match | 267 contacts → |
“Our Mission: At The Cancer & Hematology Centers we are dedicated to help, healing and hope for cancer patients and their families.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 264 contacts → |
“Cuidado oncológico integrado, especializado e centrado em cada paciente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Goiânia, BrazilReported employees: 201-500 | Goiânia, Brazil | 201-500 | Exact match | 252 contacts → |
“Há cinco décadas, o Hemolabor tem um propósito que atravessa gerações: cuidar da vida em todas as suas fases.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Tigard, OR, United StatesReported employees: 201-500 | Tigard, OR, United States | 201-500 | Exact match | 250 contacts → |
“Join the Compass Family!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Huntsville, AL, United StatesReported employees: 201-500 | Huntsville, AL, United States | 201-500 | Exact match | 246 contacts → |
“Clearview Cancer Institute is north Alabama's leading cancer treatment facility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Peoria, IL, United StatesReported employees: 201-500 | Peoria, IL, United States | 201-500 | Exact match | 217 contacts → |
“Illinois CancerCare is one of the largest private oncology and hematology practices in Illinois and in the entire nation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 216 contacts → |
“When you hear the word cancer, start here.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: San Diego, United StatesReported employees: 201-500 | San Diego, United States | 201-500 | Exact match | 180 contacts → |
“California Cancer Associates for Research and Excellence (cCARE), is the largest full-service, private oncology practice in California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: The Hague, NetherlandsReported employees: 51-200 | The Hague, Netherlands | 51-200 | Exact match | 179 contacts → |
“Borderless Hematology means creating an environment where knowledge and expertise have unlimited potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: East Syracuse, NY, United StatesReported employees: 201-500 | East Syracuse, NY, United States | 201-500 | Exact match | 163 contacts → |
“What makes our practice truly special is that everyone at HOA is “united in spirit” – a spirit that is utterly un-crushable and filled with possibilities and hope.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Buenos Aires, ArgentinaReported employees: 201-500 | Buenos Aires, Argentina | 201-500 | Exact match | 163 contacts → |
“Fundacion para combatir la Leucemia” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Peoria, AZ, United StatesReported employees: 201-500 | Peoria, AZ, United States | 201-500 | Exact match | 150 contacts → |
“The Arizona Center for Cancer Care is a Multispecialty Oncology group that is comprised of Radiation Oncology, Medical Oncology and Hematology, Gynecologic Oncology, Urology, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Richmond, VA, United StatesReported employees: 201-500 | Richmond, VA, United States | 201-500 | Exact match | 146 contacts → |
“At Virginia Cancer Institute, we bring you a world of medical breakthroughs in the treatment of cancer and blood disorders.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Omaha, NE, United StatesReported employees: 201-500 | Omaha, NE, United States | 201-500 | Exact match | 144 contacts → |
“Nebraska Cancer Specialists (NCS) is a leading community-based oncology and hematology practice committed to providing advanced, compassionate cancer care across Nebraska.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 143 contacts → |
“Piedmont Cancer Institute is committed to providing compassionate care through our dedication to excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 735 company matches
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Hematology oncology practices: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
719 records in the displayed employee bands.
16 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 735 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hematology oncology practices by location
3 lists · largest firstEvery Hematology oncology practices list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for hematology oncology practices?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hematology oncology practices did RevenueBase find worldwide?
The saved snapshot records 735 matching company records, 30,307 tracked contacts and 5,622 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 hematology oncology practices worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hematology-oncology-practices.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 hematology oncology practices worldwide
RevenueBase records 735 matching company records for hematology oncology practices worldwide, with 30,307 tracked contacts and 5,622 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hematology oncology practices worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Fort Myers, FL, United StatesReported employees: 1,001-5,000 | Fort Myers, FL, United States | 1,001-5,000 | Exact match | 2,714 contacts → |
“Founded in 1984, Florida Cancer Specialists & Research Institute (FCS) is the largest independent medical oncology/hematology practice in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Brisbane, AustraliaReported employees: 1,001-5,000 | Brisbane, Australia | 1,001-5,000 | Exact match | 1,559 contacts → |
“Icon Group is a leading integrated healthcare provider with global reach across Australia, New Zealand, ASEAN, the United Kingdom and Germany.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Rio De Janeiro, BrazilReported employees: 1,001-5,000 | Rio De Janeiro, Brazil | 1,001-5,000 | Exact match | 840 contacts → |
“Fundada em 2011, a Oncologia D’Or é composta por clínicas focadas no diagnóstico e tratamento do câncer e de doenças hematológicas, com padrão de qualidade reconhecido…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Port Jefferson Station, NY, United StatesReported employees: 1,001-5,000 | Port Jefferson Station, NY, United States | 1,001-5,000 | Exact match | 816 contacts → |
“As a comprehensive community oncology center, NYCBS delivers world-class cancer care close to home.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Pereira, ColombiaReported employees: 501-1,000 | Pereira, Colombia | 501-1,000 | Exact match | 394 contacts → |
“Somos la institución de mayor integralidad en la atención del paciente oncológico en el Eje Cafetero colombiano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 318 contacts → |
“Georgia Cancer Specialists is a Top 10 private cancer practice in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Goiânia, BrazilReported employees: 201-500 | Goiânia, Brazil | 201-500 | Exact match | 316 contacts → |
“O INGOH é um lugar onde cada vida conta.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 290 contacts → |
“Oncology Consultants has been a premiere adult medical oncology and hematology practice in Houston, TX since 1982.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Cerritos, CA, United StatesReported employees: 501-1,000 | Cerritos, CA, United States | 501-1,000 | Exact match | 289 contacts → |
“Founded in 2007, The Oncology Institute of Hope and Innovation (TOI) is advancing oncology by delivering highly specialized, value-based cancer care in the community setting.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 272 contacts → |
“The Center for Cancer and Blood Disorders was founded in 1994 by two groups of cancer specialists who had been in separate private practices for nearly fifteen years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Grand Rapids, MI, United StatesReported employees: 501-1,000 | Grand Rapids, MI, United States | 501-1,000 | Exact match | 267 contacts → |
“Our Mission: At The Cancer & Hematology Centers we are dedicated to help, healing and hope for cancer patients and their families.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 264 contacts → |
“Cuidado oncológico integrado, especializado e centrado em cada paciente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Goiânia, BrazilReported employees: 201-500 | Goiânia, Brazil | 201-500 | Exact match | 252 contacts → |
“Há cinco décadas, o Hemolabor tem um propósito que atravessa gerações: cuidar da vida em todas as suas fases.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Tigard, OR, United StatesReported employees: 201-500 | Tigard, OR, United States | 201-500 | Exact match | 250 contacts → |
“Join the Compass Family!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Huntsville, AL, United StatesReported employees: 201-500 | Huntsville, AL, United States | 201-500 | Exact match | 246 contacts → |
“Clearview Cancer Institute is north Alabama's leading cancer treatment facility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Peoria, IL, United StatesReported employees: 201-500 | Peoria, IL, United States | 201-500 | Exact match | 217 contacts → |
“Illinois CancerCare is one of the largest private oncology and hematology practices in Illinois and in the entire nation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 216 contacts → |
“When you hear the word cancer, start here.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: San Diego, United StatesReported employees: 201-500 | San Diego, United States | 201-500 | Exact match | 180 contacts → |
“California Cancer Associates for Research and Excellence (cCARE), is the largest full-service, private oncology practice in California.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: The Hague, NetherlandsReported employees: 51-200 | The Hague, Netherlands | 51-200 | Exact match | 179 contacts → |
“Borderless Hematology means creating an environment where knowledge and expertise have unlimited potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: East Syracuse, NY, United StatesReported employees: 201-500 | East Syracuse, NY, United States | 201-500 | Exact match | 163 contacts → |
“What makes our practice truly special is that everyone at HOA is “united in spirit” – a spirit that is utterly un-crushable and filled with possibilities and hope.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Buenos Aires, ArgentinaReported employees: 201-500 | Buenos Aires, Argentina | 201-500 | Exact match | 163 contacts → |
“Fundacion para combatir la Leucemia” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Peoria, AZ, United StatesReported employees: 201-500 | Peoria, AZ, United States | 201-500 | Exact match | 150 contacts → |
“The Arizona Center for Cancer Care is a Multispecialty Oncology group that is comprised of Radiation Oncology, Medical Oncology and Hematology, Gynecologic Oncology, Urology, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Richmond, VA, United StatesReported employees: 201-500 | Richmond, VA, United States | 201-500 | Exact match | 146 contacts → |
“At Virginia Cancer Institute, we bring you a world of medical breakthroughs in the treatment of cancer and blood disorders.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Omaha, NE, United StatesReported employees: 201-500 | Omaha, NE, United States | 201-500 | Exact match | 144 contacts → |
“Nebraska Cancer Specialists (NCS) is a leading community-based oncology and hematology practice committed to providing advanced, compassionate cancer care across Nebraska.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 143 contacts → |
“Piedmont Cancer Institute is committed to providing compassionate care through our dedication to excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 735 company matches
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Hematology oncology practices: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
719 records in the displayed employee bands.
16 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 735 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hematology oncology practices by location
3 lists · largest firstEvery Hematology oncology practices list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for hematology oncology practices?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hematology oncology practices did RevenueBase find worldwide?
The saved snapshot records 735 matching company records, 30,307 tracked contacts and 5,622 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 hematology oncology practices worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hematology-oncology-practices.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗