Compare the top 10 medical billing services in New York by features and best fit, plus how to evaluate vendors for Medicaid and no-fault claims.
Published on:
October 1, 2026


Key Takeaways
• CombineHealth brings eligibility, coding, claim validation, denial work, and appeals onto a single platform that learns from New York claim outcomes, applying payer intelligence built from each payer's actual behavior, an approach tied to up to 85% coding automation, 97.2%+ accuracy, and up to a 75% reduction in coding-related denials
• Medical billing in New York differs from most states because providers bill four distinct payer systems at once: Medicaid managed care, workers' compensation, no-fault auto insurance, and commercial payers, each with its own submission rules, authorization requirements, and appeal timelines.
• New York Medicaid managed care organizations operate independently from the state program, meaning providers credentialed with the state agency still need separate enrollment with each individual plan, which a billing vendor must track directly to avoid enrollment delays.
• Workers' compensation and no-fault billing add a second layer of state-specific rules, running on separate fee schedules, documentation standards, and short filing deadlines that differ from standard commercial claims.
• A medical billing company does not need to be based in New York to serve New York providers well, since what matters is demonstrated experience with the organization's specific payer mix, specialties, EHR, and New York Medicaid plans.
• Evaluating a New York medical billing vendor comes down to nine consistent criteria, including specialty fit, coding accuracy measured at the claim-line level, New York Medicaid experience, dedicated workers' compensation and no-fault workflows, and independently verifiable evidence of outcomes.
A New York practice rarely bills a single kind of payer. In one week, claims can include commercial plans, Medicaid managed care organizations, workers' compensation carriers, and no-fault auto insurers. Each follows its own submission rules, authorization requirements, and appeal timelines.
That mix creates three problems that a generic billing service handles poorly. Medicaid managed care plans operate independently of the state program, so each plan needs its own enrollment and rulebook. Workers' compensation and no-fault claims run on separate fee schedules and tight filing deadlines. And a billing team that cannot connect medical coding, eligibility, and denial data across the cycle repeats the same errors with every payer.
The right partner needs proven experience with your payer mix, specialties, EHR, and New York Medicaid plans. This guide ranks 10 medical billing services in New York, sets out what each one covers, and closes with a structured way to evaluate any vendor before you sign.

CombineHealth brings the revenue cycle management onto one AI-driven platform for New York practices, physician groups, hospitals, and health systems. Eligibility, medical coding, claim validation, denial work, payer follow-up, and appeals share a single data trail, so what the platform learns at one stage sharpens the next.
New York billing depends on that knowledge, because Medicaid managed care plans, no-fault carriers, workers' compensation payers, and commercial insurers each respond differently to the same claim.
Best For: New York physician practices, specialty groups, hospitals, and health systems seeking to automate the revenue cycle end-to-end across eligibility, coding, claim validation, denials, and appeals.
R1 RCM is a revenue cycle management company that serves large hospitals and health systems through technology-enabled managed services. Its model spans the cycle from patient access through collections, which suits organizations that want to hand over large operational blocks. Independent practices generally find the scope broader than they need, and health systems should confirm how R1 RCM handles their payer contracts and New York Medicaid managed care plans.
Key Features:
Best For: Large New York hospitals and health systems that want a scaled partner for broad revenue cycle operations.
athenahealth is a healthcare technology company that combines an electronic health record, practice management, and billing services in one system. Billing runs alongside clinical documentation and scheduling, which shortens the path from encounter to claim. The full benefit depends on adopting the wider athenahealth ecosystem, so compare total cost and switching effort if your practice uses a different EHR.
Key Features:
Best For: New York ambulatory practices that want billing integrated with their EHR.
Sunknowledge Services is an American-owned billing and outsourcing company headquartered in New York City, with operational hubs in India. It concentrates on durable medical equipment (DME), home medical equipment (HME), and orthotics and prosthetics (O&P) billing, and reports ISO 27001 certification. Ask about staff location, account ownership, security controls, and quality checks to confirm the delivery model fits your compliance needs.
Key Features:
Best For: High-volume specialty billing and operational outsourcing, especially DME and specialty providers.
HMS USA is a medical billing company that provides revenue cycle services to physician practices. Its public materials describe coding, claims submission, payment posting, insurance verification, denial management, and patient billing, with customized reporting. Verify current specialties, office locations, integrations, service-level commitments, and New York market presence directly, since public sources offer limited detail.
Key Features:
Best For: Multispecialty physician groups seeking a full-service billing partner.
Millennium Medical Billing is a billing firm that serves independent specialty practices with direct account support. Practices that value a named contact and local availability will find the model appealing. Confirm which services the base fee includes and whether support extends across New York State.
Key Features:
Best For: Independent specialty practices seeking New York-based support.
Core Med Billing is a Brooklyn-based billing firm known for personalized service. Small firms give each account close attention and quick responses. Ask about backup staffing, technology, escalation procedures, and the ability to scale as your practice grows.
Key Features:
Best For: Small practices wanting a local New York City billing partner.
MediBillMD is a medical billing company that supports small and mid-sized multispecialty groups. One vendor that handles varied specialty rules reduces the number of partners a group must manage. Request references from organizations with comparable payer mixes and specialties.
Key Features:
Best For: Small and mid-sized multispecialty groups in New York.
AffinityCore is a billing company that bundles billing, coding, and credentialing under one vendor, which reduces handoffs between teams. Confirm its current operating footprint, specialty support, staffing model, and security controls before you commit.
Key Features:
Best For: Practices wanting coordinated billing, coding, and credentialing from one partner.
Credex Healthcare is a billing and provider enrollment company that supports growing practices. New and expanding practices often need payer enrollment and billing support at the same time. Evaluate credentialing timelines and performance separately from ongoing billing results, since each depends on different processes.
Key Features:
Best For: Growing New York practices needing billing and provider enrollment together.
Medical billing in New York differs from most states because providers bill several distinct payer systems at once. Medicaid managed care plans, workers' compensation carriers, no-fault auto insurers, and commercial payers each apply their own submission rules, authorization requirements, and appeal timelines. A medical billing service needs working experience with the payers in your mix.
New York Medicaid managed care organizations operate independently from the state program. Providers credentialed with the state agency still need separate enrollment with each plan. A vendor that understands this saves weeks of enrollment and rework.
A New York-ready vendor should:
Workers' compensation and no-fault billing add a second layer of rules. Both follow separate fee schedules, documentation standards, and short filing deadlines that differ from commercial claims.
Before you sign with a vendor:
A medical billing company can serve New York providers effectively from anywhere. What counts is demonstrated experience with the requirements that apply to you.
Look for proven experience with:

Apply the following criteria consistently across every vendor under consideration.
From Medicaid managed care enrollment to no-fault and workers' compensation deadlines, CombineHealth adapts coding, claim validation, and denial follow-up to each New York payer's actual behavior. Book a demo to see it against your own New York claims.
A medical billing service in New York manages the claims process for healthcare providers: eligibility checks, coding, claim submission, payment posting, denial management, and payer follow-up. Strong services know the state's payer mix, including Medicaid managed care plans, workers' compensation, and no-fault insurance.
Medical billing services in New York usually charge a percentage of collections, a per-claim fee, or a flat monthly rate. Pricing depends on specialty, claim volume, and scope. Request written quotes that list every included service.
A New York headquarters is optional. A company serves New York providers well when it can show experience with your payer mix, specialties, EHR, New York Medicaid plans, and applicable workers' compensation and no-fault requirements.
Small practices often choose a local firm such as Core Med Billing for personal service, or an AI platform such as CombineHealth for coding accuracy and denial reduction without adding staff. The right fit depends on your payer mix and how much of the revenue cycle you want to automate.
A billing service reduces denials by verifying eligibility before the visit, coding accurately from complete documentation, validating claims against payer rules before submission, and learning from past denials. CombineHealth applies this through payer intelligence that adapts coding strategy for each payer.
AI can handle large parts of medical billing when it learns payer-specific behavior. CombineHealth automates up to 85% of coding with 97.2%+ accuracy and links each decision to the source documentation, which supports audits and appeals.