Company lists · Data refreshed September 2026
Top 25 Oncology pharmacies based in the United States
RevenueBase identified 464 oncology pharmacies headquartered in the United States as of September 2026 and tracks 26,481 professional contacts across them, including 6,292 with verified work emails. Houston is the largest hub.
This list covers oncology pharmacies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 oncology pharmacies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,591 contacts → | ||||
Partial evidence “Founded in 1984, Florida Cancer Specialists & Research Institute (FCS) is the largest independent medical oncology/hematology practice in the United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 783 contacts → | ||||
Partial evidence “As a comprehensive community oncology center, NYCBS delivers world-class cancer care close to home.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 630 contacts → | ||||
Strong evidence “Onco360 is recognized as one of the nation's leading independent specialty pharmacies dedicated exclusively to oncology and rare disease patients.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 504 contacts → | ||||
Indirect evidence “Meet the preeminent national specialty pharmacy backing up the ‘fast & easy’ promise with the Power of 2.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 404 contacts → | ||||
Partial evidence “Founded in 2007, The Oncology Institute (NASDAQ: TOI) is advancing oncology by delivering highly specialized, value-based cancer care in the community setting.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 401 contacts → | ||||
Partial evidence “Known for specialty pharmaceutical distribution and innovative technology, ASD Healthcare provides 24/7 ordering to both pharmacies and health systems providers to ensure patients…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 295 contacts → | ||||
Partial evidence “Oncology Consultants has been a premiere adult medical oncology and hematology practice in Houston, TX since 1982.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 267 contacts → | ||||
Indirect evidence “RareMed Solutions simplifies patient access to the most complex therapies.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 267 contacts → | ||||
Indirect evidence “At The START Center for Cancer Care our mission is to deliver high-quality care for our patients, accelerate the development of new cancer treatments, and provide hope for those…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 252 contacts → | ||||
Indirect evidence “Our Mission: At The Cancer & Hematology Centers we are dedicated to help, healing and hope for cancer patients and their families.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 238 contacts → | ||||
Indirect evidence “Biologics by McKesson is an independent specialty pharmacy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 215 contacts → | ||||
Partial evidence “Nuvation Bio is a global oncology company focused on tackling some of the toughest challenges in cancer treatment with the goal of developing therapies that create a profound…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 214 contacts → | ||||
Indirect evidence “Clearview Cancer Institute is north Alabama's leading cancer treatment facility.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 213 contacts → | ||||
Partial evidence “Regional Cancer Care Associates LLC (RCCA), one of the largest oncology physician networks in the United States, is transforming oncology care by ensuring that cancer patients…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 208 contacts → | ||||
Partial evidence “Illinois CancerCare is one of the largest private oncology and hematology practices in Illinois and in the entire nation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 200 contacts → | ||||
Indirect evidence “AnazaoHealth is a specialty pharmacy, appropriately licensed in all 50 states, that has been in the compounding business for 25 years.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 198 contacts → | ||||
Indirect evidence “When you hear the word cancer, start here.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 196 contacts → | ||||
Indirect evidence “At RLS Radiopharmacies, we harness the power of radiopharmaceuticals to deliver precise doses of radiation to targeted tissues and organs, aiding physicians in the diagnosis and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 193 contacts → | ||||
Indirect evidence “WE'RE ALL IN FOR FIGHT AGAINST CANCER Partner Therapeutics is devoted to developing and commercializing cancer medicines and combination therapies that can make a meaningful…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 186 contacts → | ||||
Partial evidence “California Cancer Associates for Research and Excellence (cCARE), is the largest full-service, private oncology practice in California.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 143 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 142 contacts → | ||||
Indirect evidence “ReviveRX is a leading licensed mail-order pharmacy specializing in generic and compounded medications.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 127 contacts → | ||||
Partial evidence “Atlanta Cancer Care is an oncology and hematology practice committed to delivering the highest quality, evidence-based care.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 126 contacts → | ||||
Partial evidence “Nebraska Cancer Specialists (NCS) is a leading community-based oncology and hematology practice committed to providing advanced, compassionate cancer care across Nebraska.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 126 contacts → | ||||
Indirect evidence “At Virginia Cancer Institute, we bring you a world of medical breakthroughs in the treatment of cancer and blood disorders.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: oncology pharmacies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names oncology pharmacies.
- Partial evidence
- Its own public description names part of oncology pharmacies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name oncology pharmacies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 464 oncology pharmacies based in the United States
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Oncology pharmacies based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 464 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among oncology pharmacies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “oncology pharmacies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names oncology pharmacies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among oncology pharmacies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 6,292 across the full list. 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 September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names oncology pharmacies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many oncology pharmacies are there based in the United States?
RevenueBase identified 464 oncology pharmacies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Florida Cancer Specialists & Research Institute, headquartered in Fort Myers, tops this list with the largest team on record.
Which city has the most oncology pharmacies?
Houston leads with 18 headquartered companies, followed by New York (7) and Las Vegas (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,292 verified decision-maker contacts tracked across these 464 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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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 Smart Search, 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.