Grace N. Ayafor, MD
NPI 1568667525ActiveIndividual· Internal Medicine, Interventional Cardiology· Marshalltown, IA
Internal Medicine, Interventional Cardiology (MD) with Summa Physicians LLC, practicing in Marshalltown, Iowa. Their prescriptions cost Medicare Part D more than their services did: $585,789 for 2,753 claims, against $50,676 paid for services in 2024. Stryker Corporation was the largest of 6 companies reporting payments in 2025, $573.58 in all, mostly food and beverage. Lists Akron General Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1568667525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 19, 2007 |
| Last updated in NPPES | Dec 13, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | MD-41624 | IA |
| Internal Medicine | 207R00000X | R8072 | IA |
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 - Interventional Cardiology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 738 |
|---|---|
| Services billed | 1,278 across 43 procedure codes |
| Paid by Medicare | $50,676 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,753 · 6,697 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $585,789 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical group
- Summa Physicians LLCAkron, OH · 671 clinicians
Hospital affiliations
- Akron General Medical CenterAkron, OH
- Summa Health SystemAkron, OH
Industry payments (Open Payments)
- 2025$573.58 · 19 payments from 6 companies
- 2024$1,543 · 25 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $285.21 | 7 |
| Shockwave Medical, Inc | $118.43 | 5 |
| Abiomed | $94.63 | 3 |
| Atricure, Inc. | $35.25 | 2 |
| Inari Medical, Inc. | $20.82 | 1 |
What the 2025 payments were for
- Food and Beverage$573.58 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records