Robert A. Ayres, MD
NPI 1609507789ActiveIndividual· Hospitalist· Terre Haute, IN
Hospitalist (MD) with Galen Inpatient Physicians PC and 1 other group, practicing in Terre Haute, Indiana. Their prescriptions cost Medicare Part D more than their services did: $117,131 for 1,034 claims, against $1,466 paid for services in 2024. Alexion Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $69.03 in all, mostly food and beverage. Lists Saint Joseph East and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1609507789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2022 |
| Last updated in NPPES | Jul 17, 2024 |
| Certified by provider | Jul 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 01091255A | IN |
| Family Medicine | 207Q00000X | 01091255A | 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 - Hospitalist (IN); Practitioner - Hospitalist (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 18 across 4 procedure codes |
| Paid by Medicare | $1,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,034 · 1,525 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $117,131 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Hospitalist |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Cogent Healthcare of Kentucky, PSCLexington, KY · 107 clinicians
Hospital affiliations
- Saint Joseph EastLexington, KY
- Saint Joseph HospitalLexington, KY
- Saint Joseph LondonLondon, KY
- Saint Joseph Mount SterlingMount Sterling, KY
- Union Hospital IncTerre Haute, IN
Industry payments (Open Payments)
- 2025$69.03 · 4 payments from 4 companies
- 2024$227.87 · 12 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $22.15 | 1 |
| Novo Nordisk Inc | $17.71 | 1 |
| Lilly USA, LLC | $15.67 | 1 |
| Otsuka America Pharmaceutical, Inc. | $13.50 | 1 |
What the 2025 payments were for
- Food and Beverage$69.03 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 hospitalists in Terre Haute · All hospitalists in Indiana