Michael C. Coan, D.O.
NPI 1386955904ActiveIndividual· Internal Medicine, Rheumatology· Spokane, WA
Internal Medicine, Rheumatology (D.O.) with Arthritis Northwest PLLC, practicing in Spokane, Washington. Their prescriptions cost Medicare Part D more than their services did: $2,318,976 for 2,177 claims, against $994,840 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $2,355 in all, mostly food and beverage. Lists Bonner General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1386955904 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2010 |
| Last updated in NPPES | Mar 25, 2020 |
| Certified by provider | Mar 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | OP60291975 | WA |
| Internal Medicine, Rheumatology | 207RR0500X | O0917 | ID |
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 | 566 |
|---|---|
| Services billed | 79,812 across 91 procedure codes |
| Paid by Medicare | $994,840 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,177 · 3,882 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $2,318,976 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Arthritis Northwest PLLCSpokane, WA · 7 clinicians
Hospital affiliations
- Bonner General HospitalSandpoint, ID
- Gritman Medical CenterMoscow, ID
- Kootenai HealthCoeur D'Alene, ID
- Newport Community HospitalNewport, WA
- Tacoma General Allenmore HospitalTacoma, WA
Industry payments (Open Payments)
- 2025$2,355 · 127 payments from 14 companies
- 2024$2,028 · 100 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $554.89 | 22 |
| Amgen Inc. | $452.66 | 27 |
| Astrazeneca Pharmaceuticals LP | $326.73 | 18 |
| Lilly USA, LLC | $249.42 | 11 |
| Glaxosmithkline, LLC. | $188.12 | 17 |
What the 2025 payments were for
- Food and Beverage$2,355 · 127 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Spokane
- 1235048950
- 1912261025
- 1497711311
- 1275981706
- 1346636644
- 1710595244
- 1790715126
- 1679565014
- 1881687630
- 1912017203
- 1003071598
- 1124482716
All Internal Medicine, Rheumatology providers in Washington →