Grant E. Peterson, MD
NPI 1881905370ActiveIndividual· Internal Medicine· Ankeny, IA
Internal Medicine (MD) in Ankeny, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $876,312 for 7,601 claims, against $145,658 paid for services in 2024.
Overview
| NPI | 1881905370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2010 |
| Last updated in NPPES | Oct 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-41575 | IA |
| Internal Medicine | 207R00000X | 6336 | NE |
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 - Internal Medicine (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 383 |
|---|---|
| Services billed | 5,598 across 51 procedure codes |
| Paid by Medicare | $145,658 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,601 · 16,583 30-day fills |
|---|---|
| Patients | 579 |
| Total drug cost | $876,312 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
Medical group
- Iowa Physicians Clinic Medical FoundationDes Moines, IA · 1,246 clinicians
Hospital affiliation
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Other facilities
- Unitypoint at HomeHome health agency · Urbandale, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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