Medicaid Monitor
Policy Intelligence
Medicaid Monitor
Policy Intelligence
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Legal·NY·August 13, 2026

OIG Finds New York Failed to Enforce Mental Health Parity in Medicaid MCO Prior Authorization

The HHS Office of Inspector General determined that New York did not ensure selected Medicaid managed care organizations complied with mental health and substance use disorder parity requirements for prior authorization processes. The findings indicate state oversight gaps in enforcing the Mental Health Parity and Addiction Equity Act (MHPAEA) as it applies to Medicaid managed care. OIG identified instances where MCOs imposed more restrictive prior authorization requirements on behavioral health services compared to medical/surgical benefits. The report will likely prompt corrective action plans from New York and increased scrutiny of parity compliance in other states' Medicaid managed care programs.

Why it matters

State Medicaid agencies face heightened enforcement risk if they fail to actively monitor and enforce mental health parity requirements in their MCO contracts, with potential federal compliance actions and mandatory corrective measures.

Behavioral Health · Managed Care

Read the full article at oig.hhs.gov

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