Company lists · Data refreshed September 2026

Top 25 Quaternary care hospitals worldwide

Name: Quaternary care hospitals worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,516 companies tracked

RevenueBase identified 1,516 quaternary care hospitals worldwide as of September 2026 and tracks 364,423 professional contacts across them, including 54,717 with verified work emails and 0 with mobile numbers. India is the largest market and Hyderabad the largest hub.

This list covers quaternary care hospitals worldwide, 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 17, 2026. Country and city lists for quaternary care hospitals follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

1,516Companies

364,423Contacts tracked

54,717Verified emails

0Mobile numbers

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The 25 largest quaternary care hospitals worldwide

Ranked by team size

Top 25 of 1,516 quaternary care hospitals worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to quaternary care hospitals: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Erasmus MC	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 17, 2026	10001+	11,652 contacts →
	Indirect evidence “We are Erasmus MC.” Source: RevenueBase Database · checked Sep 17, 2026
2	University Of Maryland Medical System	Partial evidence	Baltimore, MD, United StatesHQ checked Sep 17, 2026	10001+	11,269 contacts →
	Partial evidence “The University of Maryland Medical System (UMMS) was created in 1984 when the state-owned University Hospital became a private, nonprofit organization.” Source: RevenueBase Database · checked Sep 17, 2026
3	Leiden University Medical Center	Indirect evidence	Leiden, NetherlandsHQ checked Sep 17, 2026	5,001-10,000	7,299 contacts →
	Indirect evidence “Het LUMC is een centrum van medische vernieuwing, dat de patiëntenzorg wil verbeteren door wetenschappelijk onderzoek.” Source: RevenueBase Database · checked Sep 17, 2026
4	Uchicago Medicine	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 17, 2026	5,001-10,000	7,038 contacts →
	Indirect evidence “The University of Chicago Medicine has been at the forefront of medicine since 1927, when we cared for our first patients.” Source: RevenueBase Database · checked Sep 17, 2026
5	The University Of Kansas Health System	Partial evidence	Kansas City, KS, United StatesHQ checked Sep 17, 2026	10001+	6,838 contacts →
	Partial evidence “The University of Kansas Health System in Kansas City is a world-class academic medical center and destination for complex care and diagnosis.” Source: RevenueBase Database · checked Sep 17, 2026
6	Medanta	Indirect evidence	Gurgaon (national Capital - Delhi), IndiaHQ checked Sep 17, 2026	1,001-5,000	5,571 contacts →
	Indirect evidence “Founded in 2009 by Dr.” Source: RevenueBase Database · checked Sep 17, 2026
7	CHU DE Toulouse	Partial evidence	Toulouse, FranceHQ checked Sep 17, 2026	10001+	4,785 contacts →
	Partial evidence “Au cœur de la région Occitanie ouest et d’une agglomération toulousaine au taux de croissance démographique soutenu, le Centre hospitalier universitaire (CHU) de Toulouse est un…” Source: RevenueBase Database · checked Sep 17, 2026
8	Aphm Assistance Publique	Partial evidence	Marseille, FranceHQ checked Sep 17, 2026	10001+	4,769 contacts →
	Partial evidence “L'AP-HM : Centre Hospitalo-Universitaire et Institution citoyenne.” Source: RevenueBase Database · checked Sep 17, 2026
9	Hospital Samaritano	Partial evidence	São Paulo, BrazilHQ checked Sep 17, 2026	1,001-5,000	4,476 contacts →
	Partial evidence “Canal oficial do Hospital Samaritano de São Paulo.” Source: RevenueBase Database · checked Sep 17, 2026
10	Maastricht UMC	Indirect evidence	Maastricht, NetherlandsHQ checked Sep 17, 2026	5,001-10,000	4,259 contacts →
	Indirect evidence “Als academisch ziekenhuis heeft het azM taken op het gebied van patiëntenzorg, onderwijs en opleiding en onderzoek.” Source: RevenueBase Database · checked Sep 17, 2026
11	Yashoda Hospitals	Partial evidence	Hyderabad, IndiaHQ checked Sep 17, 2026	1,001-5,000	4,111 contacts →
	Partial evidence “Established in 1989, Yashoda Hospitals has been at the forefront of healthcare for over 35 years.” Source: RevenueBase Database · checked Sep 17, 2026
12	Medstar Georgetown University Hospital	Strong evidence	Washington, DC, United StatesHQ checked Sep 17, 2026	10001+	3,785 contacts →
	Strong evidence “MedStar Georgetown University Hospital is a not-for-profit, acute-care teaching and research hospital with 609 beds located in Northwest Washington, D.C.” Source: RevenueBase Database · checked Sep 17, 2026
13	OLVG	Indirect evidence	Amsterdam, NetherlandsHQ checked Sep 17, 2026	5,001-10,000	3,588 contacts →
	Indirect evidence “OLVG is het enige grote topklinische opleidingsziekenhuis in Amsterdam dat letterlijk en figuurlijk midden in het dynamische hoofdstedelijke leven staat.” Source: RevenueBase Database · checked Sep 17, 2026
14	UT Medical Center	Partial evidence	Knoxville, TN, United StatesHQ checked Sep 17, 2026	1,001-5,000	3,117 contacts →
	Partial evidence “The University of Tennessee Medical Center, located in Knoxville, TN, is the region’s academic medical center, ANCC Magnet® recognized hospital and ACS-verified Level I Trauma…” Source: RevenueBase Database · checked Sep 17, 2026
15	Hospital Nove DE Julho	Partial evidence	Sao Paulo, BrazilHQ checked Sep 17, 2026	1,001-5,000	2,979 contacts →
	Partial evidence “O Hospital 9 de Julho é uma das mais importantes instituições de saúde do País, referência em medicina de alta complexidade.” Source: RevenueBase Database · checked Sep 17, 2026
16	Amphia Ziekenhuis	Indirect evidence	Breda, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	2,968 contacts →
	Indirect evidence “Ons Amphia Bij Amphia verlenen we zorg die past bij wat de patiënt nodig heeft.” Source: RevenueBase Database · checked Sep 17, 2026
17	Rijnstate	Indirect evidence	Arnhem, NetherlandsHQ checked Sep 17, 2026	5,001-10,000	2,842 contacts →
	Indirect evidence “Rijnstate biedt hoogwaardige ziekenhuiszorg in de regio Arnhem, Overbetuwe en De Liemers.” Source: RevenueBase Database · checked Sep 17, 2026
18	Noordwest Ziekenhuisgroep	Indirect evidence	Alkmaar, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	2,815 contacts →
	Indirect evidence “Noordwest Ziekenhuisgroep is een ziekenhuisorganisatie met locaties in Alkmaar, Den Helder, Heerhugowaard, Limmen, Schagen en Texel.” Source: RevenueBase Database · checked Sep 17, 2026
19	Humanitas Research Hospital	Partial evidence	Rozzano, ItalyHQ checked Sep 17, 2026	1,001-5,000	2,721 contacts →
	Partial evidence “Humanitas is a highly-specialized teaching and research hospital.” Source: RevenueBase Database · checked Sep 17, 2026
20	Hagaziekenhuis	Indirect evidence	Den Haag, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	2,651 contacts →
	Indirect evidence “Zorgzaamheid, innovatie en samenwerking Het HagaZiekenhuis is hét toonaangevende topklinisch opleidingsziekenhuis van de regio Haaglanden met 23 medisch specialistische…” Source: RevenueBase Database · checked Sep 17, 2026
21	Memorial Healthcare Group	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	10001+	2,578 contacts →
	Indirect evidence “Memorial Sağlık Grubu, seçkin kadrosu ve memnuniyet odaklı uluslararası kalite standartlarında hizmet anlayışı ile etik ilkeler ışığında, sektörde öncü uygulamalarla fark…” Source: RevenueBase Database · checked Sep 17, 2026
22	Rhode Island Hospital	Partial evidence	Providence, RI, United StatesHQ checked Sep 17, 2026	5,001-10,000	2,525 contacts →
	Partial evidence “The principal teaching hospital of The Warren Alpert Medical School of Brown University, Rhode Island Hospital provides comprehensive diagnostic and treatment services, as well as…” Source: RevenueBase Database · checked Sep 17, 2026
23	Self Regional Healthcare	Strong evidence	Greenwood, SC, United StatesHQ checked Sep 17, 2026	1,001-5,000	2,522 contacts →
	Strong evidence “Self Regional Healthcare is an independent not-for-profit, regional referral hospital that provides care to residents of Greenwood, Abbeville, Laurens, Saluda, McCormick…” Source: RevenueBase Database · checked Sep 17, 2026
24	Catharina Hospital Eindhoven	Indirect evidence	Eindhoven, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	2,462 contacts →
	Indirect evidence “Catharina Ziekenhuis Eindhoven Het Catharina Ziekenhuis is een modern topklinisch opleidingsziekenhuis waar vrijwel alle specialismen vertegenwoordigd zijn.” Source: RevenueBase Database · checked Sep 17, 2026
25	Maasstad Ziekenhuis	Indirect evidence	Rotterdam, NetherlandsHQ checked Sep 17, 2026	1,001-5,000	2,372 contacts →
	Indirect evidence “Het Maasstad Ziekenhuis is een groot algemeen ziekenhuis - met 600 bedden - in Rotterdam-Zuid.” Source: RevenueBase Database · checked Sep 17, 2026

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: quaternary care hospitals. 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 quaternary care hospitals.
Partial evidence: Its own public description names part of quaternary care hospitals, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name quaternary care hospitals. 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 1,516 quaternary care hospitals worldwide

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Quaternary care hospitals worldwide at a glance

As of Sep 17, 2026

15.0%Verified-email coverage

240.4Average contacts per company

51-200Median size (employees)

2.1%Largest-city concentration · Hyderabad

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

212

11-50

262

51-200

288

201-500

234

501-1,000

177

1,001-5,000

273

5,001-10,000

10001+

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 quaternary care hospitals, 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.
Coverage: 11 countries, largest first: India, the United States, Brazil, Germany, France, Italy, Argentina, Poland, Mexico, Türkiye and 1 more. Country and city lists for quaternary care hospitals are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “quaternary care hospitals”. 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 quaternary care hospitals), 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 quaternary care hospitals, and records with no verified work email.
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, 54,717 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 17, 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.

Quaternary care hospitals by location

11 lists · largest first

Every Quaternary care hospitals 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 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 quaternary care hospitals, 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 quaternary care hospitals are there worldwide?

RevenueBase identified 1,516 quaternary care hospitals worldwide 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?

Erasmus MC, headquartered in Gd, tops this list with the largest team on record.

Which country has the most quaternary care hospitals?

India leads with 604 companies, followed by the United States (234) and Brazil (201). Every quaternary care hospitals list by country and city is linked on this page.

Which city has the most quaternary care hospitals?

Hyderabad leads with 32 headquartered companies, followed by Bangalore (22) and Chennai (22).

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 54,717 verified decision-maker contacts tracked across these 1,516 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 17, 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.