Company lists · Data refreshed October 2026

Top 25 Medical office services worldwide

RevenueBase identified 2,145 company matches for medical office services worldwide as of October 2026 and tracks 35,412 professional contacts across them, including 7,399 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for medical office services 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 27, 2026. Country and city lists for medical office services 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 27, 2026 How this list was built
2,145Companies
35,412Contacts tracked
7,399Verified emails
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The 25 largest medical office services worldwide

Ranked by team size
Top 25 of 2,145 company matches for medical office services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 27, 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 matchNashville, TN, United StatesHQ recorded Oct 27, 202610001+6,123 contacts →

Exact match

“Parallon leverages extensive expertise across a broad portfolio of revenue cycle, contact center, and clinical and administrative shared services.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
2Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 27, 2026501-1,0001,384 contacts →

Exact match

“PACS trains and hires healthcare leaders, and provides a wide array of back-office support services to healthcare facilities, reducing administrative burdens so local leadership…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
3Exact matchDenver, CO, United StatesHQ recorded Oct 27, 2026n/a636 contacts →

Exact match

“Clinic Service Corporation, a medical billing specialist based in Denver, CO, was founded in 1974.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
4Exact matchTampa, FL, United StatesHQ recorded Oct 27, 202651-200564 contacts →

Exact match

“Physicians Independent Management Services, Inc.(PIMS) provides turn-key billing and practice management support to medical providers of all specialties.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Oct 27, 20261,001-5,000485 contacts →

Exact match

“As one the largest healthcare business support organizations in the U.S, ADMI continues to build and strengthen the infrastructure, expertise and core competencies that successful…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
6Exact matchDover, DE, United StatesHQ recorded Oct 27, 2026201-500461 contacts →

Exact match

“Velan Info Services is a leading multidisciplinary service provider with its clients across the globe.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
7Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 27, 20261,001-5,000456 contacts →

Exact match

“Teem is building the hybrid workforce for healthcare practices, connecting providers with qualified, reliable, English-proficient virtual assistants for front desk, scribing…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
8Exact matchColumbus, GA, United StatesHQ recorded Oct 27, 2026201-500374 contacts →

Exact match

“MSN Healthcare Solutions is a national, privately held medical billing and practice management company specializing in radiology, anesthesiology, and pathology.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
9Exact matchValhalla, NY, United StatesHQ recorded Oct 27, 2026201-500346 contacts →

Exact match

“Rectangle Health simplifies patient and payer payments so healthcare organizations can collect more, grow more, and serve more patients.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
10Exact matchHyderabad, IndiaHQ recorded Oct 27, 2026501-1,000319 contacts →

Exact match

“Anion is an ISO 27001:2013 and HIPAA compliant organization operating in the field of Healthcare Services, providing Back Office data processing (BPO) for Providers/Physicians…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
11Exact matchDundrum, IrelandHQ recorded Oct 27, 2026201-500281 contacts →

Exact match

“Medserv are the leading provider of medical billing and practice management services to consultants, consultant groups and hospitals throughout Ireland and the UK.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
12Exact matchMontebello, NY, United StatesHQ recorded Oct 27, 2026501-1,000278 contacts →

Exact match

“Are you a multi-facility healthcare operator?”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
13Exact matchKolkata, IndiaHQ recorded Oct 27, 2026201-500271 contacts →

Exact match

“Value RCM Solutions is a leading provider of comprehensive outsourcing solutions tailored to the healthcare industry (Medical Billing Companies, Hospitals, Ambulatory Surgical…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Oct 27, 2026201-500221 contacts →

Exact match

“Neolytix is a (), founded in 2012, providing AI-powered managed operations for healthcare organizations of every size, from solo practitioners to multi-site systems, across the…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
15Exact matchDortmund, GermanyHQ recorded Oct 27, 2026201-500198 contacts →

Exact match

“Die beste Behandlung einfach bezahlen – damit kennen wir uns aus.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
16Exact matchMinneapolis, MN, United StatesHQ recorded Oct 27, 2026201-500194 contacts →

Exact match

“Revo Health (Revo) is a management services organization that provides business support to innovative healthcare organizations across the country.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
17Exact matchFortaleza, BrazilHQ recorded Oct 27, 202651-200191 contacts →

Exact match

“Hospital Sao Mateus is a hospital & health care company based out of Av Santos Dumont, 5633, Fortaleza, Ce, Brazil.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
18Exact matchChattanooga, TN, United StatesHQ recorded Oct 27, 2026201-500185 contacts →

Exact match

“MedSrv was established in 1985 and is based in Chattanooga, TN.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
19Exact matchLouisville, KY, United StatesHQ recorded Oct 27, 2026201-500181 contacts →

Exact match

“A coalition of seasoned talents from the Medical and IT industries united to establish 'Vocis,' an extraordinary entity distinguished by its commitment to enhancing the…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
20Exact matchNashville, TN, United StatesHQ recorded Oct 27, 20261,001-5,000175 contacts →

Exact match

“Covenant Physician Partners is a physician services company that partners with leading healthcare providers across the country to grow thriving practices and centers while…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
21Exact matchAhmedabad, IndiaHQ recorded Oct 27, 202651-200172 contacts →

Exact match

“CrystalVoxx Ltd is a trusted leader in healthcare support services, providing comprehensive solutions in Medical Billing, Medical Coding, Credentialing, A/R Management, and…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
22Exact matchPhoenix, AZ, United StatesHQ recorded Oct 27, 2026201-500159 contacts →

Exact match

“Globe Centrix is a global leader in providing managed services to clients all over the world.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
23Exact matchSão Paulo, BrazilHQ recorded Oct 27, 20261,001-5,000152 contacts →

Exact match

“Com mais de uma década de história, o Grupo Humanitar foi criado por três amigos médicos em 2008.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
24Exact matchIrvine, CA, United StatesHQ recorded Oct 27, 2026501-1,000135 contacts →

Exact match

“Since 2002, Altos Incorporated has provided its' clients with the most flexible, scalable and hassle-free business process outsourcing solutions in the industry.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
25Exact matchPurchase, NY, United StatesHQ recorded Oct 27, 2026201-500120 contacts →

Exact match

“WESTMED Practice Partners (WPP) is a division of Optum, one of the expanding families of companies within United Health Group.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase

Showing 25 of 2,145 medical office services worldwide

See the full list, filter by size, metro and specialty, and access 7,399 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Medical office services worldwide at a glance

As of Oct 27, 2026
20.9%Verified-email coverage
16.5Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · New York
Oct 27, 2026Page data refreshed

Companies by employee count

1-10
1,027
11-50
702
51-200
273
201-500
85
501-1,000
28
1,001-5,000
21
10001+
3

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 medical office services are linked below.
What qualifies
Company records worldwide whose business descriptions match “medical office services” 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 7,399 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 27, 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.

Medical office services by location

10 lists · largest first

Every Medical office services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “medical office services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many medical office services are there worldwide?

RevenueBase identified 2,145 company matches for medical office services 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?

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

Which country has the most medical office services?

The United States leads with 1,108 companies, followed by France (76) and Brazil (73). Every medical office services list by country and city is linked on this page.

Which city has the most medical office services?

New York leads with 34 company records, followed by Austin (22) and Sao Paulo (21).

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 7,399 professional contacts with verified work emails tracked across these 2,145 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 27, 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.