Medicaid Billing Profiles by State

State-by-state Medicaid billing profiles covering fee schedule basis, managed care organization (MCO) penetration rates, prior authorization requirements, timely filing deadlines, and known denial patterns. Data sourced from CMS Medicaid and CHIP Data and Systems, state Medicaid agency provider manuals, and MACPAC (Medicaid and CHIP Payment and Access Commission) reports.

Medicaid managed care now covers more than 70% of Medicaid beneficiaries nationally (MACPAC 2024). Managed care penetration varies by state — some states operate near-100% managed care (California, Florida, Texas, New York), while others retain significant fee-for-service Medicaid volume. Billing practices, timely filing windows, and prior authorization requirements differ between the state fee-for-service program and each MCO operating in the state.

Timely filing deadlines for Medicaid range from 90 days (some states) to 365 days from date of service for original claims. Secondary billing timely filing windows are typically 90–180 days from primary payer EOB. Prompt pay obligations for Medicaid managed care plans are governed by state contracts with MCOs and vary from the state fee-for-service prompt pay statute. Federal regulations at 42 CFR §447.45 require state fee-for-service programs to pay 90% of clean claims within 30 days and 99% within 90 days.

• State prompt pay statutes — Medicaid and commercial
• RCM benchmarks
• Payer intelligence