Evan James Diehl, M.D.
NPI 1255626925ActiveIndividual· Internal Medicine· Cedar Rapids, IA
Internal Medicine (M.D.) in Cedar Rapids, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2011). In 2024 Medicare paid $37,629 for 231 patients, and Part D covered 191 of their prescriptions, 84% of them generic.
Overview
| NPI | 1255626925 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 10, 2011 |
| Last updated in NPPES | Jun 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | R9165 | 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 - Internal Medicine (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 231 |
|---|---|
| Services billed | 520 across 8 procedure codes |
| Paid by Medicare | $37,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 191 · 224 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $10,762 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Internal Medicine |
Medical group
- Iowa Physicians Clinic Medical FoundationDes Moines, IA · 1,246 clinicians
Hospital affiliation
- St Lukes HospitalCedar Rapids, 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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All 41 internal medicine physicians in Cedar Rapids · All internal medicine physicians in Iowa