Medicare Advantage BH Billing — 2026 CMS + MA Plan Playbook
Medicare Advantage BH billing sits at the intersection of traditional Medicare rules + MA-plan-specific edits + Star Rating pressures. Multi-site BH operators serving MA members leak 5-12% on MA-specific denial patterns.
MA vs Traditional Medicare Key Differences 2026
- MA plans handle BH claim adjudication directly (vs Medicare fee-for-service through MAC)
- MA-specific PA required for higher-level care (residential, PHP, IOP)
- MA plans can add step-therapy requirements Medicare doesn’t
- Star Rating pressure on MA plans creates aggressive denial patterns
Top MA Plan BH Denial Patterns 2026
- Continued care denials at day 5-14 of residential
- PHP visit-cap denials
- MA plan telehealth vs Medicare telehealth policy divergence
- Prior auth for E/M + psychotherapy add-on (90833/90836/90838)
Case Study
$1.04M in 90 days · Free audit
– KD, Revenant Care