Antoni Jan Gofron, M.D.
NPI 1871501593ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Milwaukee, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Columbia St Marys Hospital Milwaukee Inc and 1 other group, practicing in Milwaukee, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,567,258 for 3,822 claims, against $27,837 paid for services in 2024. Lilly USA, LLC was the largest of 10 companies reporting payments in 2025, $894.35 in all, mostly food and beverage. Lists Ascension All Saints Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1871501593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Nov 9, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 49567 | 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 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 - Endocrinology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 148 |
|---|---|
| Services billed | 725 across 16 procedure codes |
| Paid by Medicare | $27,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,822 · 7,129 30-day fills |
|---|---|
| Patients | 393 |
| Total drug cost | $1,567,258 |
| Generic share | 29% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical groups
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI · 306 clinicians
- Madison Medical Affiliates IncMilwaukee, WI · 86 clinicians
Hospital affiliations
- Ascension All Saints HospitalRacine, WI
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$894.35 · 23 payments from 10 companies
- 2024$497.32 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $298.47 | 5 |
| Novo Nordisk Inc | $172.28 | 7 |
| Medtronic, Inc. | $132.89 | 1 |
| Sequel Med Tech, LLC | $117.83 | 2 |
| Insulet Corporation | $54.04 | 2 |
What the 2025 payments were for
- Food and Beverage$894.35 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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