Gregory Edward Buck, M.D.
NPI 1144269861ActiveIndividual· Family Medicine· Bremen, IN
Family Medicine (M.D.) in Bremen, Indiana, trained at Indiana University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $901,354 for 7,896 claims, against $73,477 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $1,056 in all, mostly food and beverage.
Overview
| NPI | 1144269861 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Nov 17, 2023 |
| Certified by provider | Nov 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 01039562 | IN |
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 - Family Practice (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 176 |
|---|---|
| Services billed | 1,348 across 59 procedure codes |
| Paid by Medicare | $73,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,896 · 20,155 30-day fills |
|---|---|
| Patients | 473 |
| Total drug cost | $901,354 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Family Practice |
Medical group
- Beacon Medical Group IncSouth Bend, IN · 589 clinicians
Hospital affiliations
- Community Hospital of Bremen IncBremen, IN
- Elkhart General HospitalElkhart, IN
- Memorial Hospital of South BendSouth Bend, IN
- Saint Joseph Regional Medical Center - PlymouthPlymouth, IN
Other facilities
- Elara CaringHome health agency · Kokomo, IN
Industry payments (Open Payments)
- 2025$1,056 · 62 payments from 19 companies
- 2024$969.88 · 51 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $307.06 | 20 |
| Novo Nordisk Inc | $134.55 | 8 |
| Pfizer Inc. | $78.43 | 5 |
| Abbvie Inc. | $73.43 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $54.07 | 3 |
What the 2025 payments were for
- Food and Beverage$1,056 · 62 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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