Thomas P. Peller, M.D.
NPI 1497715726ActiveIndividual· Internal Medicine, Gastroenterology· Eau Claire, WI
Internal Medicine, Gastroenterology (M.D.) in Eau Claire, Wisconsin, trained at University of Minnesota Medical School (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $334,220 for 688 claims, against $65,837 paid for services in 2024. Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $835.60 in all, mostly food and beverage.
Overview
| NPI | 1497715726 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 23, 2006 |
| Last updated in NPPES | Jan 3, 2022 |
| Certified by provider | Jan 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 34997 | 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 - Gastroenterology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 358 |
|---|---|
| Services billed | 786 across 29 procedure codes |
| Paid by Medicare | $65,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 688 · 1,315 30-day fills |
|---|---|
| Patients | 232 |
| Total drug cost | $334,220 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Gastroenterology |
Medical group
- Eau Claire Gi Associates SCEau Claire, WI · 7 clinicians
Hospital affiliation
- Oakleaf Surgical HospitalAltoona, WI
Industry payments (Open Payments)
- 2025$835.60 · 29 payments from 12 companies
- 2024$548.88 · 30 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $352.76 | 12 |
| Genzyme Corporation | $105.20 | 4 |
| Regeneron Healthcare Solutions, Inc. | $103.91 | 2 |
| Lilly USA, LLC | $59.89 | 2 |
| Exact Sciences Corporation | $44.69 | 2 |
What the 2025 payments were for
- Food and Beverage$794.12 · 27 payments
- Education$41.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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