UnitedHealthcareMedium ImpactAdministrative

Massachusetts MMP: Important changes for health care providers

Published January 12, 2026Effective January 1, 2026

AI Summary

Massachusetts Medicare-Medicaid Plan (MMP) members will be automatically transitioned to UnitedHealthcare One Care (a Dual Eligible Special Needs Plan) effective January 1, 2026. Billing teams will see new member ID cards and plan names, but claims submission processes and prior authorization procedures remain unchanged.

Action Required

Before January 1, 2026: Billing team must ensure all providers and facilities have current Massachusetts Medicaid ID numbers to continue serving Community Plan members. Apply online at Mass.gov if needed. Update member information systems to recognize new UHC One Care plan names and ID cards starting January 2026. Continue using existing Payer ID 87726 and current claims submission processes.

Plan Types

Medicare Advantage, Medicaid

States

MA

Specialties

all-specialties