William Y. Park, MD
NPI 1205949195ActiveIndividual· Internal Medicine, Pulmonary Disease· Renton, WA
Internal Medicine, Pulmonary Disease (MD) in Renton, Washington, trained at University of Michigan Medical School (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,394,354 for 1,996 claims, against $37,976 paid for services in 2024.
Overview
| NPI | 1205949195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 16, 2006 |
| Last updated in NPPES | Aug 14, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD00036260 | WA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD00036260 | WA |
| Internal Medicine, Sleep Medicine | 207RS0012X | MD00036260 | 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 - Pulmonary Disease (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 560 across 28 procedure codes |
| Paid by Medicare | $37,976 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,996 · 2,755 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $1,394,354 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Sleep Medicine |
| Telehealth | Offers telehealth |
Medical group
- Valley Medical Group-RentonCovington, WA · 411 clinicians
Hospital affiliation
- Valley Medical CenterRenton, 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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