Aye A. Mar, MD
NPI 1154383578ActiveIndividual· Internal Medicine· Battle Creek, MI
Internal Medicine (MD) with Grace Health Inc, practicing in Battle Creek, Michigan. Their prescriptions cost Medicare Part D more than their services did: $499,882 for 4,239 claims, against $268.92 paid for services in 2024. Novo Nordisk Inc reported $96.14 in payments in 2025, mostly food and beverage. Lists Bronson Battle Creek Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154383578 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2006 |
| Last updated in NPPES | Mar 23, 2026 |
| Certified by provider | Mar 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301073422 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 30 across 5 procedure codes |
| Paid by Medicare | $268.92 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,239 · 7,320 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $499,882 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Grace Health IncBattle Creek, MI · 26 clinicians
Hospital affiliations
- Bronson Battle Creek HospitalBattle Creek, MI
- Bronson Methodist HospitalKalamazoo, MI
Other facilities
- Elara CaringHome health agency · Jackson, MI
Industry payments (Open Payments)
- 2025$96.14 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $96.14 | 2 |
What the 2025 payments were for
- Food and Beverage$96.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 59 internal medicine physicians in Battle Creek · All internal medicine physicians in Michigan