Company lists · Data refreshed September 2026

Top 25 Healthcare api platform companies based in the United States

RevenueBase identified 2,372 healthcare api platform companies headquartered in the United States as of September 2026 and tracks 181,452 professional contacts across them, including 63,470 with verified work emails and 69,747 with mobile numbers. New York is the largest hub.

This list covers healthcare api platform 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 3, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 3, 2026 86% judged on-target in blind review
2,372Companies
181,452Contacts tracked
63,470Verified emails
69,747Mobile numbers
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The 25 largest healthcare api platform companies based in the United States

Ranked by team size
Top 25 of 2,372 healthcare api platform companies based in the United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. RevenueBase Smart Search rates how each company's information relates to healthcare api platform companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLouisville, IL, United StatesHQ checked Sep 3, 202610001+39,629 contacts →

Indirect evidence

“Humana will never ask, nor require a candidate to provide money for work equipment and network access during the application process.”

Source: RevenueBase Database · checked Sep 3, 2026
2Partial evidenceWestborough, CA, United StatesHQ checked Sep 3, 20265,001-10,0005,251 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 3, 2026
3Indirect evidenceChicago, IL, United StatesHQ checked Sep 3, 20265,001-10,0004,165 contacts →

Indirect evidence

“Allscripts is now Veradigm.”

Source: RevenueBase Database · checked Sep 3, 2026
4Indirect evidenceBrentwood, TN, United StatesHQ checked Sep 3, 20265,001-10,0003,866 contacts →

Indirect evidence

“We are Premise Health.”

Source: RevenueBase Database · checked Sep 3, 2026
5Partial evidenceCanton, MA, United StatesHQ checked Sep 3, 20261,001-5,0003,400 contacts →

Partial evidence

“MEDITECH empowers healthcare organizations everywhere to expand their vision of what’s possible with Expanse, the world’s most intuitive and interoperable EHR.”

Source: RevenueBase Database · checked Sep 3, 2026
6Strong evidenceNew York City, NY, United StatesHQ checked Sep 3, 20265,001-10,0002,863 contacts →

Strong evidence

“Datavant is the data collaboration platform trusted for healthcare.”

Source: RevenueBase Database · checked Sep 3, 2026
7Strong evidenceBoston, GA, United StatesHQ checked Sep 3, 20261,001-5,0002,525 contacts →

Strong evidence

“Zelis is modernizing the healthcare financial experience by providing a connected platform that bridges the gaps and aligns interests across payers, providers, and healthcare…”

Source: RevenueBase Database · checked Sep 3, 2026
8Partial evidenceNew York, CA, United StatesHQ checked Sep 3, 20261,001-5,0002,474 contacts →

Partial evidence

“Oscar Health is a leading healthcare technology company, whose mission is to make a healthier life accessible and affordable for all.”

Source: RevenueBase Database · checked Sep 3, 2026
9Partial evidenceOverland Park, IL, United StatesHQ checked Sep 3, 20261,001-5,0002,457 contacts →

Partial evidence

“Netsmart is an industry-leading healthcare technology organization dedicated to empowering providers to deliver value-based care to individuals and communities.”

Source: RevenueBase Database · checked Sep 3, 2026
10Partial evidencePortland, OR, United StatesHQ checked Sep 3, 20265,001-10,0002,322 contacts →

Partial evidence

“Cambia Health Solutions is a family of companies headquartered in Portland, Oregon, working to create a person-focused and economically sustainable healthcare system.”

Source: RevenueBase Database · checked Sep 3, 2026
11Partial evidenceMclean, CA, United StatesHQ checked Sep 3, 20261,001-5,0002,314 contacts →

Partial evidence

“Claritev is an independent and public healthcare technology, data and insights company making healthcare more transparent, fair and affordable for all.”

Source: RevenueBase Database · checked Sep 3, 2026
12Indirect evidenceChicago, IL, United StatesHQ checked Sep 3, 20261,001-5,0002,113 contacts →

Indirect evidence

“At GoHealth, advancing health equity starts with the intentional, data-driven application of proprietary technology, beneficiary and Medicare-expert insight, and an unwavering…”

Source: RevenueBase Database · checked Sep 3, 2026
13Partial evidenceDenver, CO, United StatesHQ checked Sep 3, 202610001+1,943 contacts →

Partial evidence

“Modivcare is a technology-enabled healthcare services company, which provides a suite of integrated supportive care solutions for public and private payors and their patients.”

Source: RevenueBase Database · checked Sep 3, 2026
14Partial evidenceFresno, CA, United StatesHQ checked Sep 3, 20261,001-5,0001,893 contacts →

Partial evidence

“We are the first and only personalized health platform to provide health plan administration, holistic wellbeing solutions, and comprehensive health navigation – all in one place.”

Source: RevenueBase Database · checked Sep 3, 2026
15Indirect evidenceCary, NC, United StatesHQ checked Sep 3, 202610001+1,877 contacts →

Indirect evidence

“IKS Health is on a mission to enable the efficient delivery of high quality care through a combination of leading edge technology and human expertise.”

Source: RevenueBase Database · checked Sep 3, 2026
16Strong evidenceTampa, FL, United StatesHQ checked Sep 3, 20261,001-5,0001,807 contacts →

Strong evidence

“Greenway Health is a leading health information technology company delivering enterprise-wide healthcare platform solutions that support clinical, financial, and patient…”

Source: RevenueBase Database · checked Sep 3, 2026
17Indirect evidenceBoca Raton, FL, United StatesHQ checked Sep 3, 20261,001-5,0001,752 contacts →

Indirect evidence

“At ModMed, we empower medical practices to grow and scale by delivering better patient experiences with cloud, data and AI technologies.”

Source: RevenueBase Database · checked Sep 3, 2026
18Partial evidenceNew York, NY, United StatesHQ checked Sep 3, 20261,001-5,0001,713 contacts →

Partial evidence

“Join CureMD – Innovating Healthcare, Empowering People At CureMD, we are at the forefront of healthcare innovation, driven by a passion for creating a better future.”

Source: RevenueBase Database · checked Sep 3, 2026
19Indirect evidenceWilmington, DE, United StatesHQ checked Sep 3, 20261,001-5,0001,651 contacts →

Indirect evidence

“Phreesia was founded in 2005 to help patients take an active role in their care.”

Source: RevenueBase Database · checked Sep 3, 2026
20Indirect evidenceSeattle, CA, United StatesHQ checked Sep 3, 20261,001-5,0001,442 contacts →

Indirect evidence

“Accolade is now a part of Transcarent.”

Source: RevenueBase Database · checked Sep 3, 2026
21Partial evidenceAtlanta, GA, United StatesHQ checked Sep 3, 20261,001-5,0001,198 contacts →

Partial evidence

“Sharecare is a digital healthcare company that delivers software and tech-enabled services to stakeholders across the healthcare ecosystem to help improve care quality, drive…”

Source: RevenueBase Database · checked Sep 3, 2026
22Strong evidenceCa, CO, United StatesHQ checked Sep 3, 20261,001-5,0001,103 contacts →

Strong evidence

“Carbon Health is a health technology company and modern healthcare provider that simplifies access to care through its EHR platform, locations with urgent and primary services…”

Source: RevenueBase Database · checked Sep 3, 2026
23Indirect evidenceSouth San Francisco, CA, United StatesHQ checked Sep 3, 20261,001-5,0001,053 contacts →

Indirect evidence

“Verily is an Alphabet company combining a data-driven, people-first approach to bring the promise of precision health to everyone, every day.”

Source: RevenueBase Database · checked Sep 3, 2026
24Partial evidenceMaryland Heights, MO, United StatesHQ checked Sep 3, 20261,001-5,0001,003 contacts →

Partial evidence

“Lumeris is a physician-first healthcare transformation company on a mission to make primary care work for everyone.”

Source: RevenueBase Database · checked Sep 3, 2026
25Indirect evidenceBellevue, WA, United StatesHQ checked Sep 3, 20261,001-5,000808 contacts →

Indirect evidence

“Edifecs, a Cotiviti business, provides market-leading technology to its payer and health system customers, which serve nearly 300 million people in the U.S.”

Source: RevenueBase Database · checked Sep 3, 2026

Showing 25 of 2,372 healthcare api platform companies based in the United States

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Healthcare api platform companies based in the United States at a glance

As of Sep 3, 2026
35.0%Verified-email coverage
38.4%Mobile-number coverage
76.5Average contacts per company
11-50Median size (employees)
7.3%Largest-city concentration · New York
Sep 3, 2026Page data refreshed

Companies by employee count

1-10
883
11-50
897
51-200
389
201-500
103
501-1,000
35
1,001-5,000
38
5,001-10,000
11
10001+
13

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 healthcare api platform 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 “healthcare api platform 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 healthcare api platform 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 healthcare api platform 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, 63,470 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 3, 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 healthcare api platform 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 healthcare api platform companies are there based in the United States?

RevenueBase identified 2,372 healthcare api platform 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?

Humana, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most healthcare api platform companies?

New York leads with 174 headquartered companies, followed by San Francisco (115) and Los Angeles (64).

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 63,470 verified decision-maker contacts tracked across these 2,372 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 3, 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.