Washington Behavioral Health Reimbursement Rates
Washington behavioral health billing requires state-specific Medicaid enrollment, payer-specific authorization rules, and credential verification before claim submission.
Medicare 90837
$175.35
Medicaid 90837
$147.29
Commercial (est.)
$140.00–$170.00
Medicare Locality Rates — CPT 90837
GPCI-adjusted Medicare psychotherapy rates by county and metro locality in Washington.
| Locality | Medicare 90837 | vs National |
|---|---|---|
| Seattle / King County | $187.04 | +12% |
| Washington Rest of State | $163.66 | -2% |
Key CPT Code Rates — Washington
CPT 90791
Diagnostic Evaluation
Medicare: $182.02
Medicaid: $152.89
CPT 90832
Psychotherapy, 30 min
Medicare: $90.13
Medicaid: $75.71
CPT 90834
Psychotherapy, 45 min
Medicare: $119.60
Medicaid: $100.46
CPT 90837
Psychotherapy, 60 min
Medicare: $175.35
Medicaid: $147.29
Medicaid in Washington
Washington Medicaid uses a managed care model. Published estimates approximate 84% of Medicare for key outpatient behavioral health CPT codes — actual fee schedule dollars vary by code and provider type.
Master's-level clinicians typically receive 75–80% of psychologist rates for identical psychotherapy CPT codes under most state Medicaid fee schedules.
Source: Washington Medicaid fee schedule (effective 2026-01-01).
Explore Washington Rates
Use the interactive explorer below — pre-loaded for Washington.