Company lists · Data refreshed September 2026
Top 25 Multi-specialty medical groups based in the Netherlands
RevenueBase identified 352 multi-specialty medical groups headquartered in the Netherlands as of September 2026 and tracks 24,929 professional contacts across them, including 7,890 with verified work emails. Rotterdam is the largest hub.
This list covers multi-specialty medical groups headquartered in the Netherlands, 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.
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 multi-specialty medical groups based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,842 contacts → | ||||
Indirect evidence “Rijnstate biedt hoogwaardige ziekenhuiszorg in de regio Arnhem, Overbetuwe en De Liemers.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,654 contacts → | ||||
Indirect evidence “Deventer Ziekenhuis is dedicated to providing top-level clinical and personalized care.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,404 contacts → | ||||
Indirect evidence “Bergman Clinics Nederland is al meer dan 35 jaar een toonaangevende keten van focusklinieken voor verzekerde planbare medische zorg.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,357 contacts → | ||||
Indirect evidence “Omdat mensen beter worden van goede zorg mét persoonlijke aandacht.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,040 contacts → | ||||
Partial evidence “De Zeeuwse patiënt maximaal kwaliteit, veiligheid en comfort bieden op medisch gebied van huisarts tot (super)specialistische zorg, waar en wanneer nodig – dát is Adrz.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 8 | 981 contacts → | ||||
Indirect evidence “Anyone experiencing limitations in movement and looking for greater freedom of motion has come to the right place.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 9 | 889 contacts → | ||||
Indirect evidence “With about 300 beds and 1200 employees is WZA, according to the national standards, a medium-sized hospital.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 10 | 660 contacts → | ||||
Indirect evidence “Omdat mensen beter worden van goede zorg mét persoonlijke aandacht.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 11 | 346 contacts → | ||||
Indirect evidence “DC Klinieken is een landelijke zorgorganisatie met zestien zelfstandige klinieken door heel Nederland en een digitale kliniek.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 12 | 292 contacts → | ||||
Indirect evidence “Het Westfriesgasthuis is een algemeen, regionaal opleidingsziekenhuis met een opnamecapaciteit van 506 erkende bedden en ongeveer polikliniekbezoeken per jaar.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 13 | 251 contacts → | ||||
Indirect evidence “Zorg kan altijd slimmer, beter en vriendelijker Welkom bij Equipe Zorgbedrijven.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 14 | 246 contacts → | ||||
Indirect evidence “Zorgorganisatie Norschoten is a Hospital and Health Care company located in 1Klaverweide, Barneveld, Gelderland, Netherlands.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 15 | 220 contacts → | ||||
Indirect evidence “Het Vlietland Ziekenhuis, gevestigd in Schiedam, is een ziekenhuis dat kwalitatief goede medische zorg met persoonlijke aandacht biedt voor de regio Nieuw Waterweg Noord.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 16 | 183 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 17 | 159 contacts → | ||||
Indirect evidence “Snel, Persoonlijk & Verzekerd zonder eigen bijdrage.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 18 | 148 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 19 | 132 contacts → | ||||
Indirect evidence “Dichtbij de beste, meest complete, betaalbare zorg bieden Wij garanderen behandeling op maat en altijd op individueel niveau.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 20 | 118 contacts → | ||||
Partial evidence “Medisch Centrum Jan van Goyen is een behandelcentrum met verschillende specialismen.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 21 | 109 contacts → | ||||
Indirect evidence “Het Refaja ziekenhuis is een regionaal ziekenhuis in Stadskanaal (Groningen), waarin alle basisspecialismen en een groot aantal deelspecialismen zijn vertegenwoordigd.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 22 | 103 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 23 | 49 contacts → | ||||
Indirect evidence “De Medi-Mere Groep bestaat uit moderne en dynamische huisartsenpraktijken en staat garant voor professionele, duurzame en persoonlijke huisartsenzorg.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 24 | 42 contacts → | ||||
Indirect evidence “Het Eerstelijns Centrum Tiel is een samenwerkingsverband tussen 11 huisartspraktijken met 15 huisartsen, 4 apotheken en 15 overige eerste- en tweedelijns disciplines in Tiel.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 25 | 41 contacts → | ||||
Indirect evidence “Wittenbergzorg is a gezondheidszorg company based out of Bernhardstraat 4, HAAFTEN, Netherlands.” Source: RevenueBase Database · checked Sep 17, 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: multi-specialty medical groups. 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 multi-specialty medical groups.
- Partial evidence
- Its own public description names part of multi-specialty medical groups, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name multi-specialty medical groups. 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 352 multi-specialty medical groups based in the Netherlands
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Multi-specialty medical groups based in the Netherlands at a glance
As of Sep 17, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 352 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 multi-specialty medical groups, 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 Netherlands whose own description of what they do matches “multi-specialty medical groups”. 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 multi-specialty medical groups), 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 multi-specialty medical groups, and records with no verified work email. Companies headquartered outside Netherlands 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, 7,890 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.
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 multi-specialty medical groups, 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 multi-specialty medical groups are there based in the Netherlands?
RevenueBase identified 352 multi-specialty medical groups headquartered in the Netherlands 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?
OLVG, headquartered in Netherlands, tops this list with the largest team on record.
Which city has the most multi-specialty medical groups?
Rotterdam leads with 11 headquartered companies, followed by Amsterdam (10) and Eindhoven (5).
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 7,890 verified decision-maker contacts tracked across these 352 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.
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