Michael S. Patterson, PAC
NPI 1639298268ActiveIndividual· Physician Assistant· Chewelah, WA
Physician Assistant (PAC) with Multicare Health System and 1 other group, practicing in Chewelah, Washington. 223 Medicare patients in 2024, $19,224 paid; nearly all of their 530 Part D prescriptions were generic (90%). Lists Deaconess Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1639298268 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PAC |
| Sole proprietor | No |
| NPI issued | Mar 28, 2007 |
| Last updated in NPPES | Feb 3, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA10003228 | 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 - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 401 across 34 procedure codes |
| Paid by Medicare | $19,224 |
Part D prescriptions in 2024
| Prescriptions (claims) | 530 · 537 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $7,318 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Multicare Health SystemTacoma, WA · 2,325 clinicians
- Northside Family PhysiciansSpokane, WA · 3 clinicians
Hospital affiliations
- Deaconess Medical CenterSpokane, WA
- Tacoma General Allenmore HospitalTacoma, 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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