Company lists · Data refreshed October 2026

Top 25 Medical staff credentialing services based in the United States

RevenueBase identified 311 company matches for medical staff credentialing services associated with the United States as of October 2026 and tracks 3,342 professional contacts across them, including 1,018 with verified work emails. New York is the largest hub.

This list covers company matches for medical staff credentialing services associated with the United States, 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.

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
311Companies
3,342Contacts tracked
1,018Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest medical staff credentialing services based in the United States

Ranked by team size
Top 25 of 311 company matches for medical staff credentialing services based in the United States, 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 matchSan Francisco, CA, United StatesHQ recorded Oct 18, 2026201-500446 contacts →

Exact match

“Medallion is the only AI-assisted credentialing and enrollment platform with expert oversight, built to deliver speed and accuracy at scale, with contract-backed performance.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2Exact matchSheridan, WY, United StatesHQ recorded Oct 18, 202651-200363 contacts →

Exact match

“Are you tired of dealing with the hassle of medical billing and administrative tasks?”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Oct 18, 202651-200153 contacts →

Exact match

“Greeley is a partner to healthcare organizations nationwide, helping them optimize medical staff services for the past 30+ years.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4Exact matchPennsauken, NJ, United StatesHQ recorded Oct 18, 202651-200149 contacts →

Exact match

“Altermed RCM | Medical Billing & Credentialing Experts Altermed RCM is a full-service medical billing and credentialing company helping healthcare providers, clinics, hospitals…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5Exact matchNashville, TN, United StatesHQ recorded Oct 18, 202651-200143 contacts →

Exact match

“At Hardenbergh Group, a Sentact Company, we are stewards and protectors of healthcare organizations.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6Exact matchEaston, MD, United StatesHQ recorded Oct 18, 2026501-1,000134 contacts →

Exact match

“PreCheck, Powered by Cisive, is a healthcare specific background screening firm helping healthcare organizations improve patient safety and the quality of care with our suite of…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7Exact matchAustin, TX, United StatesHQ recorded Oct 18, 202651-200118 contacts →

Exact match

“Verifiable is the modern infrastructure for healthcare credentialing.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8Exact matchTemecula, CA, United StatesHQ recorded Oct 18, 202651-200100 contacts →

Exact match

“Founded in 1982 and headquartered in Temecula, CA, Applied Statistics & Management, Inc.(ASM) is dedicated to the development and support of software solutions that leverage the…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9Exact matchWalnut Creek, CA, United StatesHQ recorded Oct 18, 202651-20071 contacts →

Exact match

“AllStars Medical Billing delivers high level Medical Credentialing, coding, Medical Billing and IT support to the clients in all States and for all types of specialties.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10Exact matchClearwater, FL, United StatesHQ recorded Oct 18, 202611-5062 contacts →

Exact match

“Green Security is an institutional safety company that combines credentialing and background investigation with advanced onsite technologies to control, manage and monitor…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Oct 18, 202651-20061 contacts →

Exact match

“Modio Health was created because there was an opportunity for change.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12Exact matchTucson, AZ, United StatesHQ recorded Oct 18, 202651-20051 contacts →

Exact match

“NGA Healthcare offers turnkey solutions for credentialing and negotiating your payer reimbursement rates.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13Exact matchOrlando, FL, United StatesHQ recorded Oct 18, 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 18, 2026 · View company records in RevenueBase
14Exact matchFountain Valley, CA, United StatesHQ recorded Oct 18, 202651-20034 contacts →

Exact match

“One of the nations leading Credentials Verification Organizations (CVO) providing primary source verification services to its clients.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15Exact matchIndianapolis, IN, United StatesHQ recorded Oct 18, 202611-5027 contacts →

Exact match

“For many healthcare centers, the credentialing and enrollment process is the missing piece to a healthy revenue cycle.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16Exact matchClearwater, FL, United StatesHQ recorded Oct 18, 202651-20023 contacts →

Exact match

“PracticeForces implements billing and administrative solutions for medical practices across all specialties.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17Exact matchWashington, DC, United StatesHQ recorded Oct 18, 202611-5023 contacts →

Exact match

“The National Association Medical Staff Services (NAMSS) is celebrating more than 40 years of enhancing the professional development of and recognition for professionals in the…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
18Exact matchOrlando, FL, United StatesHQ recorded Oct 18, 202611-5021 contacts →

Exact match

“360° Professional Services Suite Credentialing | Enrollment | Medical Billing | RCM Powered by Technology, Process, and Collaboration.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19Exact matchBreinigsville, PA, United StatesHQ recorded Oct 18, 202651-20021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United StatesHQ recorded Oct 18, 202611-5021 contacts →

Exact match

“Medversant is the leader in creating dynamic technology solutions for a critical component of healthcare administration-the management of healthcare provider information and…”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Oct 18, 202651-20019 contacts →

Exact match

“Our goal is to help managers and administrators find an honest credentialing company with sensibly priced services.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22Exact matchSignal Hill, CA, United StatesHQ recorded Oct 18, 202611-5019 contacts →

Exact match

“Improve the Care, Reduce the Cost," it’s not a slogan to SCM; it’s our core purpose.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23Exact matchJacksonville, FL, United StatesHQ recorded Oct 18, 202611-5019 contacts →

Exact match

“Credex Healthcare is a leading healthcare administration service provider supporting healthcare professionals and organizations across the United States.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24Exact matchPensacola, FL, United StatesHQ recorded Oct 18, 202611-5018 contacts →

Exact match

“Medical Licensure Group sets the industry standard in nationwide medical licensing and credentialing.”

Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25Exact matchWinter Haven, FL, United StatesHQ recorded Oct 18, 202611-5018 contacts →

Exact match

“QPI Healthcare Services is a data analytics for performance and quality measures company.”

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

Showing 25 of 311 medical staff credentialing services based in the United States

See the full list, filter by size, metro and specialty, and access 1,018 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Medical staff credentialing services based in the United States at a glance

As of Oct 18, 2026
30.5%Verified-email coverage
10.7Average contacts per company
1-10Median size (employees)
3.2%Largest-city concentration · New York
Oct 18, 2026Page data refreshed

Companies by employee count

1-10
176
11-50
92
51-200
30
201-500
6
501-1,000
5
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 311 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “medical staff credentialing 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,018 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.

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 staff credentialing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many medical staff credentialing services are there based in the United States?

RevenueBase identified 311 company matches for medical staff credentialing services associated with the United States 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?

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

Which city has the most medical staff credentialing services?

New York leads with 10 company records, followed by Austin (8) and Houston (8).

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 1,018 professional contacts with verified work emails tracked across these 311 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.

Ready to reach these companies? Verified emails and direct dials for all 311 medical staff credentialing services based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.