Grant H. Gilroy, DO
NPI 1255651261ActiveIndividual· Internal Medicine, Critical Care Medicine· Indianapolis, IN
Internal Medicine, Critical Care Medicine (DO) with Iu Health Medical Group LLC, practicing in Indianapolis, Indiana. In 2024 Medicare paid $10,947 for 73 patients, and Part D covered 71 of their prescriptions, 63% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $350.79 in all, mostly food and beverage. Lists Indiana University Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1255651261 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 2, 2010 |
| Last updated in NPPES | Mar 8, 2025 |
| Certified by provider | Mar 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 02004032A | IN |
| Internal Medicine | 207R00000X | 02004032A | IN |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 02004032A | IN |
| Hospitalist | 208M00000X | 02004032A | IN |
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 - Pulmonary Disease (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 133 across 18 procedure codes |
| Paid by Medicare | $10,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 71 · 90 30-day fills |
|---|---|
| Patients | 41 |
| Total drug cost | $12,090 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
Hospital affiliations
- Indiana University HealthIndianapolis, IN
- Indiana University Health North HospitalCarmel, IN
Industry payments (Open Payments)
- 2025$350.79 · 15 payments from 11 companies
- 2024$92.93 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $99.45 | 5 |
| Insmed, Inc. | $34.76 | 1 |
| Vifor Pharma, Inc. | $32.02 | 1 |
| Regeneron Healthcare Solutions, Inc. | $28.06 | 1 |
| Inspire Medical Systems, Inc. | $27.97 | 1 |
What the 2025 payments were for
- Food and Beverage$316.03 · 14 payments
- Education$34.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 critical care physicians in Indianapolis · All critical care physicians in Indiana