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    Medical Billing Companies

    Compare the top Medical Billing Companies service providers for 2026 — vetted firms, agencies and consultants in the Other Services Providers category.

    Top Medical Billing Companies

    1.R1 RCM

    Murray, UT, USA

    Largest enterprise RCM provider, processing over $30 billion in annual net patient revenue for hospitals and large health systems. Uses an operating-partner model that rebadges a hospital existing RCM staff as R1 employees, allowing process standardisation across multi-state systems.

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    2.Ensemble Health Partners

    Cincinnati, OH, USA

    End-to-end RCM outsourcing partner for large health systems, named alongside R1 as the reference option for organisations seeking to standardise complex multi-site revenue cycle operations.

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    3.Optum

    Eden Prairie, MN, USA

    Healthcare services arm of UnitedHealth Group, cited as the leading option for large-scale financial forecasting and data analytics within revenue cycle operations.

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    4.AGS Health

    Washington, DC, USA

    Provides an AI-assisted revenue cycle platform combined with human-in-the-loop billing services, launched as the AGS AI Platform in September 2022. Structured workflow approach supporting consistent high-volume coding, billing and denial processing.

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    5.GeBBS Healthcare Solutions

    Culver City, CA, USA

    Global RCM outsourcing firm with an offshore delivery model, covering inpatient, outpatient and specialty coding, claims processing, DRG validation, coding audits, compliance reviews and revenue integrity services.

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    6.Access Healthcare

    Dallas, TX, USA

    Outsourced medical billing and coding services company operating at large scale across multiple specialties for provider groups and health systems.

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    7.CorroHealth

    Plano, TX, USA

    Revenue cycle outsourcing provider that completed the acquisition of Xtend healthcare RCM business from Navient in September 2024, serving a general multi-specialty client base.

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    8.Infinx Healthcare

    San Jose, CA, USA

    AI-assisted revenue cycle automation provider that expanded through the May 2025 acquisition of i3 Verticals healthcare RCM business for $96 million. Platform and pricing built around academic medical centres and large provider groups.

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    9.Coronis Health

    Largo, FL, USA

    Medical billing and revenue cycle outsourcing company serving providers across multiple general specialties, positioned as a generalist outsourced billing partner rather than a specialty platform.

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    10.Med USA

    Round Rock, TX, USA

    Comprehensive RCM services centred on operational continuity and execution, supporting billing, denial resolution and accounts receivable management for mid-sized healthcare organisations.

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    Medical Billing Companies buyer's guide for US clients

    How we shortlist Medical Billing Companies firms for US clients

    This page lists 10 medical billing companies 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 R1 RCM, Ensemble Health Partners, Optum, and AGS Health.

    Delivery footprints on this list span Murray, UT, USA, Cincinnati, OH, USA, Eden Prairie, MN, USA, and Washington, DC, USA, so you can choose between onshore US delivery, nearshore teams with 3–5 hours of overlap, and offshore teams priced for volume work.

    Medical Billing Companies rates and engagement models in the US

    US buyers usually see three engagement models for medical billing companies: fixed-scope projects, time and materials with a monthly cap, and a dedicated team retainer. Onshore US consultancies typically bill $125–$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.

    Contracts, compliance and risk for US engagements

    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.

    Questions to ask every medical billing companies provider

    • Who exactly will do the work, and can we interview them before the SOW is signed?
    • Show two references from US clients of our size in the last 18 months.
    • What is your escalation path, and what hours does your team overlap with ours?
    • How is scope change handled — hourly, change order, or absorbed?
    • What does handover look like if we end the engagement in 90 days?
    • Which parts of delivery are subcontracted, and to whom?

    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.

    Medical Billing Companies service providers — FAQ

    Who are the best medical billing companies service providers in 2026?

    Based on the 10 firms reviewed on this page, R1 RCM, Ensemble Health Partners, and Optum are among the strongest options for US clients. Shortlist two or three, ask each for references from US clients of your size, and compare their scoping approach before you commit.

    How much do medical billing companies services cost in the United States?

    Onshore US consultancies typically bill $120–$250 per hour for this type of work, nearshore partners $55–$95, and offshore teams $25–$55. Fixed-scope projects and monthly retainers are both common — always request a rate card broken out by role rather than a single blended rate.

    Should I hire a US-based or offshore medical billing companies provider?

    Choose onshore when the work needs deep regulatory context, frequent stakeholder workshops, or full time-zone overlap. Choose nearshore for a balance of cost and 3–5 hours of daily overlap, and offshore for well-specified, high-volume work where the scope is stable.

    What should be in a medical billing companies contract?

    A master services agreement plus a scope-specific SOW, clear IP assignment on payment, a written change-order process, named key personnel, escalation and support hours, confidentiality terms, and — for regulated data — a signed BAA or equivalent data-processing addendum. Confirm professional liability and cyber insurance limits too.

    How long does a typical medical billing companies engagement take?

    Discovery usually runs 1–3 weeks, an initial delivery phase 6–12 weeks, and ongoing support is normally a monthly retainer. Providers that cannot outline that timeline in the proposal stage tend to struggle with scope control later.

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