William Francis Pierson, M.D.
NPI 1528357001ActiveIndividual· Psychiatry & Neurology, Psychiatry· Bellevue, WA
Psychiatry & Neurology, Psychiatry (M.D.) in Bellevue, Washington, trained at State University of New York at Buffalo School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $359,518 for 1,808 claims, against $16,952 paid for services in 2024.
Overview
| NPI | 1528357001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2011 |
| Last updated in NPPES | Jun 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | MD60554339 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 71 |
|---|---|
| Services billed | 253 across 12 procedure codes |
| Paid by Medicare | $16,952 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,808 · 3,414 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $359,518 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical groups
- King County Public Hospital District No 2Kirkland, WA · 608 clinicians
- Overlake Medical Clinics LLCBellevue, WA · 425 clinicians
Hospital affiliations
- Evergreenhealth Medical CenterKirkland, WA
- Overlake Hospital Medical Center & ClinicsBellevue, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 94 psychiatrists in Bellevue · All psychiatrists in Washington