Grant Harold Hammons III, M.D.
NPI 1053429738ActiveIndividual· Obstetrics & Gynecology· Terre Haute, IN
Obstetrics & Gynecology (M.D.) in Terre Haute, Indiana, trained at Medical College of Ohio (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $13,836 for 235 claims, against $8,168 paid for services in 2024. Daiichi Sankyo Inc. reported $25.21 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1053429738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Mar 14, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 01054051A | 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 - Obstetrics/Gynecology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 101 across 18 procedure codes |
| Paid by Medicare | $8,168 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 452 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $13,836 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Union Associated Physicians Clinic, LLCTerre Haute, IN · 230 clinicians
Hospital affiliation
- Union Hospital IncTerre Haute, IN
Industry payments (Open Payments)
- 2025$25.21 · 1 payment from 1 company
- 2024$53.05 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $25.21 | 1 |
What the 2025 payments were for
- Food and Beverage$25.21 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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