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Review leading healthcare service providers serving USA clients, with company profiles that explain each provider's expertise, delivery focus and fit.
Use the comparison to build a shortlist, then review each company profile for its specialty, location and approach.
Updated October 10, 2026
Side-by-side comparison of leading providers serving USA clients
| Company | Specialty | Location | Website |
|---|---|---|---|
| #1Kaiser Permanente | Largest US health system by TOTAL revenue at roughly $115.8 billion, serving 12.5 million members through an integrated model combining a health plan wi… | Oakland, CA, USA | Visit site |
| #2HCA Healthcare | Largest US health system by net patient revenue at roughly $56.3 billion, and by total revenue at $75.6 billion. | Nashville, TN, USA | Visit site |
| #3CommonSpirit Health | Second-largest by net patient revenue at roughly $29.4 billion and $40.1 billion total revenue. | Chicago, IL, USA | Visit site |
| #4Advocate Health | Fourth-largest US health system by annual revenue at approximately $38.9 billion, operating 69 hospitals. | Charlotte, NC, USA | Visit site |
| #5Veterans Health Administration | The largest integrated health system in the US by facility count with around 160-170 hospitals and more than 25,000 beds nationwide. | Washington, DC, USA | Visit site |
| #6University of California Health | Academic health system reporting roughly $25.9 billion in annual revenue for the 12 months to 30 June 2025, combining six academic medical centres with… | Oakland, CA, USA | Visit site |
| #7Trinity Health | Catholic health system reporting roughly $25.4 billion annual revenue for the 12 months to 30 June 2025, operating 92 hospitals. | Livonia, MI, USA | Visit site |
| #8Ascension | Catholic nonprofit reporting roughly $25.3 billion annual revenue for the 12 months to 30 June 2025, with 119 hospitals and 40 senior living facilities… | St. Louis, MO, USA | Visit site |
| #9AdventHealth | Faith-based nonprofit system reporting approximately $23 billion in annual revenue and operating 57 hospitals, concentrated in the southeastern United S… | Altamonte Springs, FL, USA | Visit site |
| #10Mass General Brigham | Academic health system reporting roughly $22.8 billion annual revenue for the 12 months to 30 September 2025, combining Massachusetts General and Brigha… | Somerville, MA, USA | Visit site |
Use this comparison to identify a shortlist, then review the detailed company profiles and USA buyer’s guide below.
Review the available information for each provider before requesting references, pricing and a project proposal.
Largest US health system by TOTAL revenue at roughly $115.8 billion, serving 12.5 million members through an integrated model combining a health plan with its own hospitals and physician groups. Ranks third by net patient revenue at about $29.1 billion - the gap is its insurance arm.
Visit website →Largest US health system by net patient revenue at roughly $56.3 billion, and by total revenue at $75.6 billion. Also first by hospital count at 190, by staffed beds and by total hospital square footage. The largest for-profit operator.
Visit website →Second-largest by net patient revenue at roughly $29.4 billion and $40.1 billion total revenue. Formed in 2019 from the merger of Catholic Health Initiatives and Dignity Health. Operates 142-158 hospitals and 700+ care sites across 21 states with around 175,000 employees.
Visit website →Fourth-largest US health system by annual revenue at approximately $38.9 billion, operating 69 hospitals. Formed through the combination of Advocate Aurora Health and Atrium Health.
Visit website →The largest integrated health system in the US by facility count with around 160-170 hospitals and more than 25,000 beds nationwide. Publicly funded rather than a traditional nonprofit, serving eligible veterans.
Visit website →Academic health system reporting roughly $25.9 billion in annual revenue for the 12 months to 30 June 2025, combining six academic medical centres with research and teaching missions.
Visit website →Catholic health system reporting roughly $25.4 billion annual revenue for the 12 months to 30 June 2025, operating 92 hospitals. One of six Catholic-owned or affiliated systems in the US top 10 by patient discharges.
Visit website →Catholic nonprofit reporting roughly $25.3 billion annual revenue for the 12 months to 30 June 2025, with 119 hospitals and 40 senior living facilities across 17 states and DC. Formed 1999. Also operates for-profit subsidiaries in private equity, venture capital, insurance and pharmacy.
Visit website →Faith-based nonprofit system reporting approximately $23 billion in annual revenue and operating 57 hospitals, concentrated in the southeastern United States.
Visit website →Academic health system reporting roughly $22.8 billion annual revenue for the 12 months to 30 September 2025, combining Massachusetts General and Brigham and Women hospitals with a large research enterprise.
Visit website →Compare delivery models, rates, contracts and risk before selecting a provider for a US engagement.
This page lists 10 healthcare service providers providers that work with United States clients. We look at delivery track record, whether the team overlaps with US time zones, how they scope and price work, and whether they can sign standard US contracts including an MSA, SOW, NDA and mutual indemnity.
Firms currently featured include Kaiser Permanente, HCA Healthcare, CommonSpirit Health, and Advocate Health.
Delivery footprints on this list span Oakland, CA, USA, Nashville, TN, USA, Chicago, IL, USA, and Charlotte, NC, USA, so you can choose between onshore US delivery, nearshore teams with 3–5 hours of overlap, and offshore teams priced for volume work.
US buyers usually see three engagement models for healthcare service providers: fixed-scope projects, time and materials with a monthly cap, and a dedicated team retainer. Onshore US consultancies typically bill $154–$250 per hour, nearshore partners in Latin America $55–$95, and offshore teams $25–$55.
Ask for a rate card by role, not a blended rate — a blended number hides how much of the work is done by junior staff. For fixed-bid work, insist on a written change-order process, and for retainers, confirm the notice period and any minimum monthly hours.
Watch the total cost of ownership: discovery workshops, knowledge transfer, post-launch support, and the cost of taking the work back in house at the end.
Before you sign, confirm the provider carries professional liability (E&O) and cyber insurance with US-acceptable limits, and that the MSA clearly assigns IP ownership of all deliverables to you on payment.
If the engagement touches regulated data, get the compliance posture in writing: SOC 2 Type II for the provider's own systems, HIPAA with a signed BAA for health data, CCPA/CPRA handling for California consumer data, GLBA for financial services, and background-check policies for anyone with production access.
Also nail down worker classification and subcontracting — many US buyers require written approval before any part of the work is passed to a third party.
Run the same questions past two or three firms from this list and compare the answers side by side — the differences are usually more revealing than the proposals.
Practical answers for USA clients comparing providers, pricing and engagement models.
