John Madison Clair, DO
NPI 1427232354ActiveIndividual· Internal Medicine· Williston, ND
Internal Medicine (DO) in Williston, North Dakota, trained at West Virginia School of Osteopathic Medicine (class of 2006). In 2024 Medicare paid $19,199 for 99 patients, and Part D covered 127 of their prescriptions, 83% of them generic.
Overview
| NPI | 1427232354 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Dec 27, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 13540 | ND |
| Internal Medicine | 207R00000X | DO1452 | NV |
| Hospitalist | 208M00000X | DO1452 | NV |
| Hospitalist | 208M00000X | 13540 | ND |
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 - Hospitalist (ND); Practitioner - Internal Medicine (SD); Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 250 across 11 procedure codes |
| Paid by Medicare | $19,199 |
Part D prescriptions in 2024
| Prescriptions (claims) | 127 · 136 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $5,081 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | West Virginia School of Osteopathic Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Mercy Medical CenterWilliston, ND · 77 clinicians
- Trenton Indian Service AreaTrenton, ND · 8 clinicians
Hospital affiliations
- Chi St Alexius Health WillistonWilliston, ND
- Sidney Health CenterSidney, MT
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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