Gregory M. Gauthier, M.D.
NPI 1194787754ActiveIndividual· Internal Medicine, Infectious Disease· Madison, WI
Internal Medicine, Infectious Disease (M.D.) in Madison, Wisconsin, trained at Ohio State University College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,774,349 for 1,038 claims, against $13,205 paid for services in 2024.
Overview
| NPI | 1194787754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2006 |
| Last updated in NPPES | Jan 26, 2021 |
| Certified by provider | Jan 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 42542 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 254 across 27 procedure codes |
| Paid by Medicare | $13,205 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,038 · 1,232 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $1,774,349 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, 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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