Mark Christopher Johnson, M.D.
NPI 1053439059ActiveIndividual· Radiology, Diagnostic Radiology· Des Moines, IA
Radiology, Diagnostic Radiology (M.D.) in Des Moines, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2005). Mostly services rather than prescriptions: Medicare paid $109,436 for 4,073 patients in 2024, with only 43 Part D claims.
Overview
| NPI | 1053439059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2007 |
| Last updated in NPPES | Jul 21, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 39397 | 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 - Diagnostic Radiology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 4,073 |
|---|---|
| Services billed | 5,929 across 144 procedure codes |
| Paid by Medicare | $109,436 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 63 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $1,907 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Diagnostic Radiology |
Medical group
- Diagnostic Imaging Associates, P.C.Des Moines, IA · 19 clinicians
Hospital affiliations
- Knoxville Hospital & ClinicsKnoxville, IA
- Manning Regional Healthcare CenterManning, IA
- Mercyone Centerville Medical CenterCenterville, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Mercyone Newton Medical CenterNewton, 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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