DR. MARK CHRISTOPHER JOHNSON (M.D.) – Diagnostic Radiology Physician, NPI 1053439059
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
434 DIAGNOSTIC RADIOLOGY in IA
Provider Addresses for DR. MARK CHRISTOPHER JOHNSON (M.D.)
1111 6TH AVE
DES MOINES, IA 503142613
Phone: (515) 643-2667
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-07-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110722000433 | I | Diagnostic Radiology | IA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 71046 | X-ray of chest, 2 views | 713 | 674 | $0 |
| 71045 | X-ray of chest, 1 view | 510 | 424 | $0 |
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 377 | 375 | $0 |
| 73562 | X-ray of knee, 3 views | 270 | 206 | $0 |
| 72100 | X-ray of lower and sacral spine, 2-3 views | 225 | 211 | $0 |
Insurance plans in this area (ZIP 50314)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IA | 71250 | CT scan chest | 53 | 53 |
| DIAGNOSTIC RADIOLOGY | IA | 73110 | X-ray of wrist, minimum of 3 views | 58 | 50 |
| DIAGNOSTIC RADIOLOGY | IA | 73140 | X-ray of fingers, minimum of 2 views | 14 | 14 |
| DIAGNOSTIC RADIOLOGY | IA | 73562 | X-ray of knee, 3 views | 231 | 189 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | IA | |
| Diagnostic Radiology, Internal Medicine | TX | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA |
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