Grainne M. O'Malley, MD
NPI 1407230501ActiveIndividual· Internal Medicine· West Lafayette, IN
Internal Medicine (MD) with Iu Health Medical Group LLC and 1 other group, practicing in West Lafayette, Indiana. Their prescriptions cost Medicare Part D more than their services did: $810,068 for 8,811 claims, against $89,277 paid for services in 2024. Edwards Lifesciences Corporation reported $96.58 in payments in 2025, mostly food and beverage. Lists Franciscan Health Lafayette and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1407230501 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2015 |
| Last updated in NPPES | Jul 3, 2023 |
| Certified by provider | Jul 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01080931A | IN |
| Internal Medicine | 207R00000X | 125067889 | IL |
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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 637 |
|---|---|
| Services billed | 1,365 across 21 procedure codes |
| Paid by Medicare | $89,277 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,811 · 21,881 30-day fills |
|---|---|
| Patients | 936 |
| Total drug cost | $810,068 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Iu Health Medical Group LLCIndianapolis, IN · 4,462 clinicians
- Arnett Clinic LLCLafayette, IN · 390 clinicians
Hospital affiliations
- Franciscan Health LafayetteLafayette, IN
- Franciscan Health Rensselaer, IncRensselaer, IN
- Indiana University Health Arnett HospitalLafayette, IN
- Indiana University Health Frankfort IncFrankfort, IN
- Indiana University Health White Memorial HospitalMonticello, IN
Other facilities
- Elara CaringHome health agency · Kokomo, IN
- Franciscan Home CareHome health agency · Lafayette, IN
- Physiocare Home Healthcare LLCHome health agency · West Lafayette, IN
- Lafayette Regional Rehabilitation HospitalInpatient rehabilitation facility · Lafayette, IN
- Westminster Village - West LafayetteNursing home · West Lafayette, IN
Industry payments (Open Payments)
- 2025$96.58 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $96.58 | 1 |
What the 2025 payments were for
- Food and Beverage$96.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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