Company lists · Data refreshed September 2026
Top 25 Medical necessity review software companies based in the United States
RevenueBase identified 348 medical necessity review software companies headquartered in the United States as of September 2026 and tracks 32,144 professional contacts across them, including 9,009 with verified work emails. Atlanta is the largest hub.
This list covers medical necessity review software companies headquartered in the United States, 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 28, 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 medical necessity review software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,260 contacts → | ||||
Partial evidence “eClinicalWorks is a privately held leader in healthcare IT, providing comprehensive Electronic Health Record (EHR) and Practice Management (PM) solutions used by more than medical…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,586 contacts → | ||||
Partial evidence “Waystar’s enterprise-grade software is purpose-built to simplify healthcare payments.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,421 contacts → | ||||
Indirect evidence “Acentra Health combines knowledge, clinical expertise, and technological ingenuity to modernize the healthcare experience for public and commercial partners and their priority…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,292 contacts → | ||||
Indirect evidence “Noridian Healthcare Solutions, LLC (Noridian) develops solutions for federal, state and commercial health care programs through a full suite of innovative offerings, including…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 968 contacts → | ||||
Indirect evidence “Cognizant (Nasdaq-100: CTSH) is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 852 contacts → | ||||
Indirect evidence “CPSI is a leading provider of healthcare solutions and services for community hospitals, their clinics and post-acute care facilities.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 807 contacts → | ||||
Indirect evidence “Global Healthcare Resource is a full service healthcare solutions firm focused on maximizing return on investment, increasing revenues and improving productivity for our valued…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 700 contacts → | ||||
Indirect evidence “Empowering our clients with cutting edge technology to meet future healthcare needs today.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 641 contacts → | ||||
Strong evidence “The ExamWorks Group platform, family company services, applications and portals for the management of independent medical claim review are the assets of choice among claims…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 614 contacts → | ||||
Indirect evidence “Centauri Health Solutions aims to attract and retain the industry’s top talent as we continue to create and deliver the most flexible and innovative tools in the market.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 386 contacts → | ||||
Partial evidence “MCMC’s Independent Peer Review program compliments your appeal, claims, prior-auth, utilization, and case management programs by providing the comprehensive physician expertise…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 378 contacts → | ||||
Partial evidence “MES Solutions (MES) is one of the first companies established to provide the claims community access to credentialed physicians with expertise in conducting Independent Medical…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 291 contacts → | ||||
Indirect evidence “AVIZVA is a Healthcare Technology Organization that harnesses technology to simplify, accelerate, & optimize the way healthcare enterprises deliver care.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 270 contacts → | ||||
Indirect evidence “MHK, part of the Hearst Health network, improves compliance, efficiency and quality for health plans, pharmacy benefit managers and other managed care organizations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 263 contacts → | ||||
Indirect evidence “Xsolis is an AI-driven technology company with a human-centered approach, fostering collaboration between healthcare providers and payers through real-time transparency, objective…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 224 contacts → | ||||
Indirect evidence “In-house therapy management and reimbursement solutions tailored to boost operational efficiency, ensure regulatory compliance, and drive stronger clinical and financial outcomes…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 181 contacts → | ||||
Partial evidence “ExamWorks Compliance Solutions is a leading authority on Medicare Compliance and Mandatory Insurer Reporting.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 180 contacts → | ||||
Indirect evidence “HealthAxis, an HGM company, has delivered healthcare technology and core administrative services to payers and third-party administrators since 1965, spanning Commercial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 145 contacts → | ||||
Partial evidence “Digital Infuzion is a software and health care IT company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 141 contacts → | ||||
Partial evidence “Nexus is dedicated to providing the highest quality of service in the field of utilization review.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 120 contacts → | ||||
Strong evidence “Stratacare and Strataware solutions, incuding medical bill review and other clinically driven cost containment solutions, are now part of the Conduent family.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 117 contacts → | ||||
Strong evidence “CompIQ Solutions is a leading provider of technology-driven medical bill review services, dedicated to transforming the healthcare landscape.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 115 contacts → | ||||
Partial evidence “Founded in 1989, Corridor is the nation’s leading provider of tech-enabled coding & clinical documentation review, revenue cycle, compliance, technology and education services to…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 102 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 91 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 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: medical necessity review software companies. 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 medical necessity review software companies.
- Partial evidence
- Its own public description names part of medical necessity review software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name medical necessity review software companies. 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 348 medical necessity review software companies based in the United States
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Medical necessity review software companies based in the United States at a glance
As of Sep 28, 2026Companies by employee count
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 348 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 medical necessity review software companies, 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 United States whose own description of what they do matches “medical necessity review software companies”. 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 medical necessity review software companies), 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 medical necessity review software companies, and records with no verified work email. Companies headquartered outside United States 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, 9,009 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 28, 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 medical necessity review software companies, 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 medical necessity review software companies are there based in the United States?
RevenueBase identified 348 medical necessity review software companies headquartered in the United States 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?
Eclinicalworks, headquartered in Westborough, tops this list with the largest team on record.
Which city has the most medical necessity review software companies?
Atlanta leads with 8 headquartered companies, followed by San Jose (8) and Austin (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 9,009 verified decision-maker contacts tracked across these 348 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 28, 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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