Peter Bosak, MD
NPI 1811912892ActiveIndividual· Internal Medicine· Auburn, WA
Internal Medicine (MD) with Multicare Health System and 2 other groups, practicing in Auburn, Washington. Their prescriptions cost Medicare Part D more than their services did: $534,067 for 9,785 claims, against $71,769 paid for services in 2024. Lists Multicare Auburn Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1811912892 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Sep 8, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00045839 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 895 across 35 procedure codes |
| Paid by Medicare | $71,769 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,785 · 23,651 30-day fills |
|---|---|
| Patients | 664 |
| Total drug cost | $534,067 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Multicare Health SystemTacoma, WA · 2,325 clinicians
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Select Outpatient Services IncGlenview, IL · 805 clinicians
Hospital affiliations
- Multicare Auburn Medical CenterAuburn, WA
- Multicare Covington Medical CenterCovington, WA
- Multicare Good Samaritan HospitalPuyallup, WA
- St Joseph Medical CenterTacoma, WA
- Tacoma General Allenmore HospitalTacoma, WA
Other facilities
- Wesley Homes at Home, LLCHome health agency · Des Moines, 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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