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MARCH 2026 Medicaid & Medicare Newsletter: Compliance and Policy Updates

Updated: Mar 15

Mental Health • Substance Use • Social Services


Summary


The first quarter of 2026 has been defined less by new rule-making and more by implementation pressure. Behavioral health and social service providers are operating under finalized CY 2026 Medicare payment policy, updated CMS telehealth guidance, and strengthened Medicaid managed care rate-setting and encounter-data expectations (CMS, 2025a; CMS, 2026a; CMS, 2025b; Medicaid.gov, 2025).


Behavioral health remains under heightened oversight following the Office of Inspector General’s findings regarding limited behavioral health provider availability and inaccurate network listings in Medicare Advantage and Medicaid managed care plans (OIG, 2025). At the same time, states continue active planning for Medicaid work/community-engagement structures and broader Section 1115 waiver redesign that can reshape benefits, delivery models, and financing for crisis services and SUD treatment (KFF, 2026).


March’s issue focuses on the practical realities of implementation, and the operational adjustments behavioral health organizations should prioritize in Q2 2026.


Federal Policy & Regulatory Developments


CY 2026 Physician Fee Schedule — Early Implementation Impacts

CMS’s CY 2026 Medicare Physician Fee Schedule (PFS) final rule is now in effect and continues CMS’s strategy to support behavioral health integration, care management, and payment policy changes effective January 1, 2026 (CMS, 2025a).


In early 2026, organizations are increasingly facing payer and contractor scrutiny related to documentation, time-based service thresholds, and medical necessity narratives, especially for care management and integration workflows linked to complex behavioral health populations (CMS, 2026a).


Operational priority: agencies should ensure documentation templates, supervision/staffing assumptions, and time capture for care-management and integration services are defensible and consistent with CY 2026 guidance (CMS, 2026a; CMS, 2025a).

Telehealth — Updated CMS FAQ and Compliance Separation

CMS’s current Telehealth FAQ (updated February 2026) describes Medicare telehealth flexibilities and timelines, including how behavioral health services differ from other telehealth services when geographic and originating-site constraints return in future years (CMS, 2026b). Mixed-service organizations should maintain separate internal rules for behavioral versus non-behavioral telehealth billing and compliance, and ensure staff understand which services remain broadly allowable and which remain constrained or subject to future reversion (CMS, 2026b).


OPPS / ASC Policy — Hospital-Affiliated Behavioral Health Exposure

CMS’s CY 2026 OPPS/ASC final rule establishes outpatient payment policies that matter to hospital-affiliated behavioral health services, including implications for hospital outpatient departments that operate PHP/IOP and other outpatient behavioral health service lines (CMS, 2025b). Organizations partnered with hospital outpatient departments should review 2026 reimbursement trends, contract terms, and any downstream changes associated with OPPS packaging and outpatient payment dynamics (CMS, 2025b).


Medicare Advantage and Behavioral Health Network Adequacy

The OIG report on behavioral health network adequacy remains a major pressure point for Medicare Advantage and Medicaid managed care. It documents both limited behavioral health networks and inaccurate listings of inactive providers, which affect access and contracting expectations (OIG, 2025). Plans and state oversight entities are increasingly expecting providers to document panel capacity, appointment availability, and access performance with measurable metrics. Organizations with strong access data may have leverage in MA and D-SNP contracting and network discussions (OIG, 2025).

Medicaid Managed Care and Payment Developments


Encounter Data and Rate Integrity

CMS’s 2025–2026 Medicaid Managed Care Rate Development Guide reinforces expectations for encounter data completeness and integrity and shapes how states and plans validate assumptions used in managed care capitation rates (Medicaid.gov, 2025).


Providers should expect increasing requests for encounter corrections and reconciliation, and agencies should treat encounter-data quality as a core compliance and revenue-protection function (Medicaid.gov, 2025).


Operational priority: ensure coding, documentation, and encounter submission workflows are audit-ready and internally validated before payer reconciliation cycles (Medicaid.gov, 2025).

State-Directed Payments — CMS Oversight and Implementation Requirements

CMS issued guidance to strengthen oversight of Medicaid state-directed payments, along with related informational bulletins and implementation materials. These requirements affect how states design, submit, and evaluate state-directed payment programs under managed care (CMS, 2025c; Medicaid.gov, 2025).


For behavioral health agencies, the practical effect is that state payment redesign may become more standardized, more documentation-driven, and more sensitive to evaluation and transparency requirements, particularly for programs tied to access, integration, and system transformation goals (CMS, 2025c; Medicaid.gov, 2025).



State Activity and 1115 Waiver Trends


Work and Community-Engagement Planning

National analysis continues to show that Medicaid work requirements, where historically implemented, led to coverage losses mainly due to reporting and administrative barriers rather than real changes in employment (KFF, 2025).


States are still refining planning frameworks and exemption/reporting ideas in preparation for upcoming implementation timelines, and behavioral health providers should expect a greater need for help with eligibility navigation and coverage stability for high-acuity populations (KFF, 2025).


Broader 1115 Waiver Activity

KFF’s Medicaid Waiver Tracker continues to show state activity across eligibility, benefit design, delivery system reform, and social drivers of health provisions that can materially affect behavioral health financing and service expectations (KFF, 2026).


Providers should monitor waiver activity for changes that influence crisis system models, SUD benefit design, reimbursement pathways, and required performance metrics (KFF, 2026).


Practical Updates for Providers – Tactical Recommendations


HiQuity's Top 5 Operational Priorities for Q2 2026
HiQuity's Top 5 Operational Priorities for Q2 2026

Leadership Action Checklist 


Action

Target Date

Complete documentation audit aligned with CY 2026 Medicare policy

April 15, 2026

Validate encounter submission and reconciliation workflow

April 30, 2026

Update telehealth compliance rules and training

April 30, 2026

Produce MA/MCO access and network adequacy metrics packet

May 1, 2026

Monitor state 1115 waiver developments and implications

Ongoing


EXECUTIVE CALL TO ACTION


This year is going to require decisive C-Suite action that can transition from information consumption to execution, making proactive policy integration a core strategic pillar going forward.


For a custom executive foresight briefing or to benchmark your readiness across interoperability, resilience, and equity metrics, contact us at ask@hiquitysolutions.com



References (selected)



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