Nadal M. Aker, M.D.
NPI 1083671911ActiveIndividual· Internal Medicine, Cardiovascular Disease· Decatur, IL
Internal Medicine, Cardiovascular Disease (M.D.) with Decatur Memorial Hospital, practicing in Decatur, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,029,018 for 7,664 claims, against $151,999 paid for services in 2024. Heartflow, Inc. was the largest of 6 companies reporting payments in 2025, $202.35 in all, mostly food and beverage. Lists Decatur Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1083671911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Aug 20, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 036111422 | 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 - Cardiovascular Disease (Cardiology) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,156 |
|---|---|
| Services billed | 4,279 across 41 procedure codes |
| Paid by Medicare | $151,999 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,664 · 18,907 30-day fills |
|---|---|
| Patients | 881 |
| Total drug cost | $1,029,018 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Decatur Memorial HospitalDecatur, IL · 174 clinicians
Hospital affiliations
- Decatur Memorial HospitalDecatur, IL
- Hshs Good Shepherd Hospital IncShelbyville, IL
- Kirby Medical CenterMonticello, IL
- St Johns HospitalSpringfield, IL
- St Marys HospitalDecatur, IL
Industry payments (Open Payments)
- 2025$202.35 · 7 payments from 6 companies
- 2024$141.61 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $81.28 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $37.17 | 1 |
| Ge Healthcare | $35.31 | 2 |
| Alnylam Pharmaceuticals Inc. | $17.30 | 1 |
| Novo Nordisk Inc | $16.24 | 1 |
What the 2025 payments were for
- Food and Beverage$202.35 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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