Company lists · Data refreshed September 2026

Top 25 Tumor centers worldwide

RevenueBase identified 1,338 company matches for tumor centers worldwide as of September 2026 and tracks 129,427 professional contacts across them, including 25,386 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tumor centers 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 September 22, 2026. Country and city lists for tumor centers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
1,338Companies
129,427Contacts tracked
25,386Verified emails
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The 25 largest tumor centers worldwide

Ranked by team size
Top 25 of 1,338 company matches for tumor centers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 22, 202610001+18,673 contacts →

Exact match

“The people of Memorial Sloan Kettering Cancer Center (MSK) are united by a singular mission: ending cancer for life.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchTampa, FL, United StatesHQ recorded Sep 22, 202610001+6,955 contacts →

Exact match

“At Moffitt Cancer Center, we come face-to-face with cancer every day, but we also see courage.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchSão Paulo, BrazilHQ recorded Sep 22, 20265,001-10,0006,380 contacts →

Exact match

“Você sabe a diferença entre um Cancer Center e um hospital geral?”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261,001-5,0004,956 contacts →

Exact match

“Fred Hutch is an independent, nonprofit organization that also serves as the cancer program for UW Medicine.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 22, 20261,001-5,0003,774 contacts →

Exact match

“Cleveland Clinic Abu Dhabi, part of the M42 group, is a unique and unparalleled extension of US-based Cleveland Clinic’s model of care, specifically designed to address a range of…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Sep 22, 20265,001-10,0003,489 contacts →

Exact match

“Inaugurado em 2008, o Instituto do Câncer do Estado de São Paulo (Icesp), unidade que integra o Hospital das Clínicas da Faculdade de Medicina da USP, possui contrato de gestão…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 22, 20261,001-5,0001,919 contacts →

Exact match

“GenesisCare is a provider of integrated cancer care in Australia, Spain, and the U.K.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchMilano, ItalyHQ recorded Sep 22, 20261,001-5,0001,364 contacts →

Exact match

“The IEO European Institute of Oncology is a Research Hospital (IRCCS) dedicated to the treatment of cancer.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Sep 22, 20261,001-5,0001,062 contacts →

Exact match

“The Princess Margaret Cancer Centre is Canada’s largest integrated cancer research, teaching, and treatment centre, one of the top cancer research centres in the world and is one…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchCuritiba, BrazilHQ recorded Sep 22, 20261,001-5,0001,049 contacts →

Exact match

“Nos anos de 1920 o câncer era tratado - tanto para médicos, quanto para a sociedade em geral – com tabu, mas o médico Erasto Gaertner via a doença com outros olhos.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchBangalore, IndiaHQ recorded Sep 22, 20261,001-5,0001,021 contacts →

Exact match

“HealthCare Global Enterprises Ltd, headquartered in Bangalore is India's largest Cancer Care Provider.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchSingaporeHQ recorded Sep 22, 2026501-1,000918 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 20261,001-5,000816 contacts →

Exact match

“Following the merger of long-time partners, Fred Hutchinson Cancer Research Center and Seattle Cancer Care Alliance to form Fred Hutchinson Cancer Center, this page will no longer…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Sep 22, 20261,001-5,000761 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 · Sep 22, 2026 · View company records in RevenueBase
15Exact matchAnderlecht, BelgiumHQ recorded Sep 22, 20261,001-5,000709 contacts →

Exact match

“VERSION FRANCAISE Centre multidisciplinaire intégré, unique en Belgique et reconnu internationalement, l’Institut Jules Bordet est un hôpital entièrement consacré aux patients…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Sep 22, 20261,001-5,000686 contacts →

Exact match

“Fundada em 1.968, o IBCC Oncologia é conhecida por ser um Centro de Tratamento Oncológico de alta complexidade e possuir um Centro de Pesquisa Clínica com mais de 130 estudos…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchNew Delhi, IndiaHQ recorded Sep 22, 20261,001-5,000684 contacts →

Exact match

“Rajiv Gandhi Cancer Institute & Research Centre (RGCIRC) founded in 1996, is a non-profit medical facility and research institute based in Delhi, India specialising in cancer…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 22, 2026n/a683 contacts →

Exact match

“UT MD ANDERSON CANCER CENTER is a hospital & health care company based out of 1515 HOLCOMBE BLVD, Houston, Texas, United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchRecife, BrazilHQ recorded Sep 22, 20261,001-5,000680 contacts →

Exact match

“O Hospital de Câncer de Pernambuco iniciou suas atividades em 9 de novembro de 1945 já com o objetivo de ser uma instituição de saúde de direito privado, sem fins lucrativos e de…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchPadova, ItalyHQ recorded Sep 22, 20261,001-5,000630 contacts →

Exact match

“L’Istituto Oncologico Veneto IOV – IRCCS è il primo e unico Istituto del Veneto destinato in maniera specifica alla ricerca sul cancro e alla prevenzione, diagnosi e cura dei…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchLittle Rock, AR, United StatesHQ recorded Sep 22, 2026501-1,000618 contacts →

Exact match

“CARTI is a not-for-profit, multidisciplinary cancer care provider offering leading-edge medical, radiation and surgical oncology, interventional radiology, as well as an array of…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchBengaluru, IndiaHQ recorded Sep 22, 2026501-1,000523 contacts →

Exact match

“Welcome to Cytecare Hospitals, the leading patient-centric healthcare provider in Bangalore, India.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchToulouse, FranceHQ recorded Sep 22, 20261,001-5,000501 contacts →

Exact match

“The IUCT-Oncopole, a center for care, research, and training in cancerology, mobilizes on a single site in Toulouse the expertise of professionals.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchJakarta Barat, IndonesiaHQ recorded Sep 22, 2026501-1,000426 contacts →

Exact match

“Rumah Sakit Kanker "Dharmais"- Pusat Kanker Nasional”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchCaen, FranceHQ recorded Sep 22, 20261,001-5,000351 contacts →

Exact match

“Créé en 1923, le Centre François Baclesse de Caen exerce depuis près de 100 ans une triple mission en cancérologie: le soin, l’enseignement et la recherche.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,338 tumor centers worldwide

See the full list, filter by size, metro and specialty, and access 25,386 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tumor centers worldwide at a glance

As of Sep 22, 2026
19.6%Verified-email coverage
96.7Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
304
11-50
395
51-200
268
201-500
161
501-1,000
96
1,001-5,000
67
5,001-10,000
27
10001+
12

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 tumor centers are linked below.
What qualifies
Company records worldwide whose business descriptions match “tumor centers” 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 25,386 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 September 22, 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.

Tumor centers by location

5 lists · largest first

Every Tumor centers 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 “tumor centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tumor centers are there worldwide?

RevenueBase identified 1,338 company matches for tumor centers worldwide as of September 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?

Memorial Sloan Kettering Cancer Center tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most tumor centers?

The United States leads with 321 companies, followed by India (180) and Brazil (174). Every tumor centers list by country and city is linked on this page.

Which city has the most tumor centers?

Sao Paulo leads with 21 company records, followed by Ahmedabad (11) and Curitiba (10).

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 25,386 professional contacts with verified work emails tracked across these 1,338 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 September 22, 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 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.