Company lists · Data refreshed October 2026

Top 25 Medical office administrative services worldwide

RevenueBase identified 2,199 company matches for medical office administrative services worldwide as of October 2026 and tracks 32,843 professional contacts across them, including 6,430 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 administrative 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 18, 2026. Country and city lists for medical office administrative 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 18, 2026 How this list was built
2,199Companies
32,843Contacts tracked
6,430Verified emails
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The 25 largest medical office administrative services worldwide

Ranked by team size
Top 25 of 2,199 company matches for medical office administrative services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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 18, 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 18, 2026 · View company records in RevenueBase
2Exact matchDenver, CO, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
3Exact matchTampa, FL, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
4Exact matchSalt Lake City, UT, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
5Exact matchDowners Grove, IL, United StatesHQ recorded Oct 18, 20261,001-5,000447 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchColumbus, GA, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
7Exact matchHyderabad, IndiaHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
8Exact matchThanjavur, IndiaHQ recorded Oct 18, 2026501-1,000299 contacts →

Exact match

“Healthcare organizations need efficient practice management tools to streamline medical practices and improve revenue generation.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchDundrum, IrelandHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
10Exact matchJohannesburg, South AfricaHQ recorded Oct 18, 202651-200263 contacts →

Exact match

“Our comprehensive suite of solutions includes medical billing and clinical software, bureau services, and value-added services that free up valuable time for practitioners to…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
12Exact matchDortmund, GermanyHQ recorded Oct 18, 2026201-500198 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchMinneapolis, MN, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
14Exact matchFortaleza, BrazilHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
15Exact matchChattanooga, TN, United StatesHQ recorded Oct 18, 2026201-500185 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchLouisville, KY, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
17Exact matchAhmedabad, IndiaHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
18Exact matchPhoenix, AZ, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
19Exact matchAlhambra, CA, United StatesHQ recorded Oct 18, 2026501-1,000123 contacts →

Exact match

“Network Medical Management (NMM) is a Management Services Organization (MSO) comprised of healthcare professionals and more than 600 employee associates serving the rapid growth…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Oct 18, 20261,001-5,000118 contacts →

Exact match

“We provide patient-centered, physician-led management services to help your practice grow and thrive in an ever-changing healthcare landscape.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Oct 18, 20261,001-5,000117 contacts →

Exact match

“Established in 1993, Practice Plus is an Arkansas-based physician resource company providing management, centralized or clinic-based billing services, computer software and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchMandaue City, PhilippinesHQ recorded Oct 18, 2026501-1,000103 contacts →

Exact match

“Grow your business with Medical Staffing and Virtual Assistant Solutions Complete back-office outsourcing service tailored to your healthcare business needs”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchWalnut Creek, CA, United StatesHQ recorded Oct 18, 2026201-500101 contacts →

Exact match

“Bay Medical Management, LLC,(BMMLLC) is a Management Services Organization (MSO) focused practice management, professional and technical health care billing, clinical operations…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchLajeado, BrazilHQ recorded Oct 18, 202651-200100 contacts →

Exact match

“Transformando a gestão na saúde através da tecnologia.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchPort Elizabeth, South AfricaHQ recorded Oct 18, 2026201-50097 contacts →

Exact match

“Medsol was founded in 2010 by Fritz Lüttich and Trevor Allnutt.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase

Showing 25 of 2,199 medical office administrative services worldwide

See the full list, filter by size, metro and specialty, and access 6,430 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Medical office administrative services worldwide at a glance

As of Oct 18, 2026
19.6%Verified-email coverage
14.9Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · New York
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
1,045
11-50
739
51-200
289
201-500
77
501-1,000
25
1,001-5,000
18
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 administrative services are linked below.
What qualifies
Company records worldwide whose business descriptions match “medical office administrative 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 6,430 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 18, 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 administrative services by location

8 lists · largest first

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

How many medical office administrative services are there worldwide?

RevenueBase identified 2,199 company matches for medical office administrative 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 administrative services?

The United States leads with 1,164 companies, followed by Brazil (111) and the United Kingdom (60). Every medical office administrative services list by country and city is linked on this page.

Which city has the most medical office administrative services?

New York leads with 35 company records, followed by Houston (29) 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 6,430 professional contacts with verified work emails tracked across these 2,199 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 18, 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.