Bret T. Petersen, M.D.
NPI 1124006242ActiveIndividual· Internal Medicine, Gastroenterology· Rochester, MN
Internal Medicine, Gastroenterology (M.D.) in Rochester, Minnesota, trained at Mayo Medical School (class of 1981). Mostly services rather than prescriptions: Medicare paid $59,892 for 193 patients in 2024, with only 36 Part D claims. Olympus Corporation of the Americas was the largest of 2 companies reporting payments in 2024, $20,254 in all, mostly consulting fees.
Overview
| NPI | 1124006242 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 9, 2006 |
| Last updated in NPPES | Aug 14, 2026 |
| Certified by provider | Aug 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 30506 | MN |
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 - Gastroenterology (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 447 across 43 procedure codes |
| Paid by Medicare | $59,892 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 36 30-day fills |
|---|---|
| Patients | 33 |
| Total drug cost | $171.89 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Mayo Medical School |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Gastroenterology |
Medical group
- Mayo ClinicRochester, MN · 4,956 clinicians
Hospital affiliation
- Mayo Clinic Hospital RochesterRochester, MN
Industry payments (Open Payments)
- 2024$20,254 · 11 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Olympus Corporation of the Americas | $20,204 | 10 |
| Boston Scientific Corporation | $49.91 | 1 |
What the 2024 payments were for
- Consulting Fee$11,978 · 6 payments
- Travel and Lodging$8,226 · 4 payments
- Food and Beverage$49.91 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 193 gastroenterologists in Rochester · All gastroenterologists in Minnesota