John R. Ewing, MD
NPI 1053378331ActiveIndividual· Family Medicine, Addiction Medicine· Madison, WI
Family Medicine, Addiction Medicine (MD) in Madison, Wisconsin, trained at University of New Mexico School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $52,273 for 508 claims, against $7,869 paid for services in 2024.
Overview
| NPI | 1053378331 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 28, 2006 |
| Last updated in NPPES | Dec 6, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Addiction Medicine Primary | 207QA0401X | 47760-20 | WI |
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 - Family Practice (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 109 across 9 procedure codes |
| Paid by Medicare | $7,869 |
Part D prescriptions in 2024
| Prescriptions (claims) | 508 · 576 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $52,273 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of New Mexico School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Family Practice |
| Secondary specialties | Addiction Medicine |
| Telehealth | Offers telehealth |
Medical group
- Meriter Hospital IncMadison, WI · 122 clinicians
Hospital affiliation
- Unitypoint Health - MeriterMadison, WI
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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