John A. Carstensen, MD
NPI 1851378012ActiveIndividual· Internal Medicine· Des Moines, IA
Internal Medicine (MD) in Des Moines, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $983,865 for 9,232 claims, against $209,289 paid for services in 2024.
Overview
| NPI | 1851378012 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 29, 2005 |
| Last updated in NPPES | Mar 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 34214 | IA |
| Internal Medicine | 207R00000X | ME105681 | FL |
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 | 357 |
|---|---|
| Services billed | 5,572 across 59 procedure codes |
| Paid by Medicare | $209,289 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,232 · 18,776 30-day fills |
|---|---|
| Patients | 667 |
| Total drug cost | $983,865 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Iowa Physicians Clinic Medical FoundationDes Moines, IA · 1,246 clinicians
- Tidd-Krafft Occupational and Physical Therapy PAAnkeny, IA · 30 clinicians
Hospital affiliation
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Other facilities
- Unitypoint at HomeHome health agency · Urbandale, IA
- Wesley Life Home HealthHome 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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