Peter Bryan Ahn, MD
NPI 1063416394ActiveIndividual· Family Medicine· Cedar Rapids, IA
Family Medicine (MD) in Cedar Rapids, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $380,847 for 6,030 claims, against $85,703 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $27.77 in all, mostly food and beverage.
Overview
| NPI | 1063416394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 1, 2005 |
| Last updated in NPPES | Oct 9, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 35286 | IA |
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 - Family Practice (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 4,371 across 52 procedure codes |
| Paid by Medicare | $85,703 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,030 · 14,927 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $380,847 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Mercy Physician Associates IncHiawatha, IA · 101 clinicians
Hospital affiliation
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA
Other facilities
- Mercy Home CareHome health agency · Cedar Rapids, IA
Industry payments (Open Payments)
- 2025$27.77 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $15.05 | 1 |
| Dynavax Technologies Corporation | $12.72 | 1 |
What the 2025 payments were for
- Food and Beverage$27.77 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 133 family medicine physicians in Cedar Rapids · All family medicine physicians in Iowa