Company lists · Data refreshed October 2026

Top 25 Healthcare directory services providers worldwide

RevenueBase identified 706 company matches for healthcare directory services providers worldwide as of October 2026 and tracks 16,336 professional contacts across them, including 2,476 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for healthcare directory services providers 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 October 13, 2026. Country and city lists for healthcare directory services providers 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 Oct 13, 2026 How this list was built
706Companies
16,336Contacts tracked
2,476Verified emails
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The 25 largest healthcare directory services providers worldwide

Ranked by team size
Top 25 of 706 company matches for healthcare directory services providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchBirmingham, United StatesHQ recorded Oct 13, 202610001+5,374 contacts →

Exact match

“Formerly HealthSouth and Encompass Home Health & Hospice, we have combined our strengths as Encompass Health.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2Exact matchRocky Hill, CT, United StatesHQ recorded Oct 13, 2026501-1,000372 contacts →

Exact match

“Starling Physicians has over 300 providers who deliver care across 27 medical specialties in 30 convenient locations.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Oct 13, 2026201-500329 contacts →

Exact match

“CertifyOS is building the future of provider data infrastructure.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact matchOverland Park, KS, United StatesHQ recorded Oct 13, 2026201-500297 contacts →

Exact match

“For more than 30 years, our mission has been to improve provider network management and in turn, help people across America receive the information and care they deserve.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5Exact matchUnited StatesHQ recorded Oct 13, 20261,001-5,000284 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchLenexa, KS, United StatesHQ recorded Oct 13, 20265,001-10,000245 contacts →

Exact match

“Summit Health no longer exists.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchNairobi, KenyaHQ recorded Oct 13, 2026501-1,000230 contacts →

Exact match

“We provide quality health care to our customers and clients.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchColumbia, MD, United StatesHQ recorded Oct 13, 2026201-500226 contacts →

Exact match

“QSSI is now part of Optum.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Oct 13, 202651-200224 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United StatesHQ recorded Oct 13, 2026n/a208 contacts →

Exact match

“Emory Healthcare Doctors.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Oct 13, 202651-200200 contacts →

Exact match

“RLDatix Data Solutions Group (Galen Healthcare Solutions) is an award-winning, KLAS-ranked healthcare IT technical & professional services and solutions company providing…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchSao Paulo, United StatesHQ recorded Oct 13, 2026201-500190 contacts →

Exact match

“Promovemos saúde e bem-estar em nossos pacientes em todas as especialidades que atendemos.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchColumbia, SC, United StatesHQ recorded Oct 13, 2026201-500169 contacts →

Exact match

“Companion Data Services, LLC (CDS), a privately held company, offers secure systems development and managed hosting services specializing in the health care industry.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Oct 13, 2026201-500147 contacts →

Exact match

“Eden Health eliminates the hassle of healthcare for employers and their employees.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchCenturion, South AfricaHQ recorded Oct 13, 202651-20093 contacts →

Exact match

“Medpages, is the largest, most accurate and up-to-date database of healthcare provider contact information in Africa.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchLanghorne, PA, United StatesHQ recorded Oct 13, 202651-20085 contacts →

Exact match

“Perspecta is the leader in provider data management solutions designed to optimize the business of healthcare.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchWaldems-esch, GermanyHQ recorded Oct 13, 202651-20080 contacts →

Exact match

“Insight Health is a subsidiary of CompuGroup Medical SE & Co.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchPrinceton, NJ, United StatesHQ recorded Oct 13, 202651-20068 contacts →

Exact match

“Santech is a Delaware Corporation headquartered in New Jersey.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19Exact matchBowie, MD, United StatesHQ recorded Oct 13, 202651-20051 contacts →

Exact match

“Healthcare IT Solutions that Support Healthcare Excellence.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchMiddletown, CT, United StatesHQ recorded Oct 13, 202611-5049 contacts →

Exact match

“P-n-T Data Corp.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchNorth York, ON, CanadaHQ recorded Oct 13, 202651-20043 contacts →

Exact match

“BlueBird IT SUPPORT SERVICES FOR HEALTH CARE Fast.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchMiami, FL, United StatesHQ recorded Oct 13, 2026201-50043 contacts →

Exact match

“Access to 5.5M providers - medical, dental, behavioral health, optometry, medical drivers, nurses, home health, anyone that provides medical assistance or care.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchNew Castle County, DE, United StatesHQ recorded Oct 13, 202651-20042 contacts →

Exact match

“Globill Medical Resources offers services to US providers for their insurance billing, enrollment and credentialing, Licensing, virtual assistance, virtual scribing, and virtual…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Oct 13, 202611-5040 contacts →

Exact match

“Health Tech Knowledge Solutions (HTKS) was founded in September 2014 with a vision of providing healthcare services to providers in the United States.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchOrlando, FL, United StatesHQ recorded Oct 13, 202611-5037 contacts →

Exact match

“Established in 1993, Med Advantage one of the largest independent Provider Data Center performing Credentials Verification Organization services and Provider Enrollment Services…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 706 healthcare directory services providers worldwide

See the full list, filter by size, metro and specialty, and access 2,476 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Healthcare directory services providers worldwide at a glance

As of Oct 13, 2026
15.2%Verified-email coverage
23.1Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · New York
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
365
11-50
216
51-200
66
201-500
34
501-1,000
5
1,001-5,000
6
5,001-10,000
2
10001+
4

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 healthcare directory services providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “healthcare directory services providers” 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 2,476 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 October 13, 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.

Healthcare directory services providers by location

1 lists · largest first

Every Healthcare directory services providers 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 “healthcare directory services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare directory services providers are there worldwide?

RevenueBase identified 706 company matches for healthcare directory services providers worldwide as of October 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?

Healthsouth tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most healthcare directory services providers?

The United States leads with 236 companies. Every healthcare directory services providers list by country and city is linked on this page.

Which city has the most healthcare directory services providers?

New York leads with 14 company records, followed by Bangalore (7) and Gurgaon (7).

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 2,476 professional contacts with verified work emails tracked across these 706 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 October 13, 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.