DR. JOHN CHARLES ROCK (MD) – Diagnostic Radiology Physician, NPI 1205807344
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
847 DIAGNOSTIC RADIOLOGY in IN
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Provider Addresses for DR. JOHN CHARLES ROCK (MD)
PO BOX 80070
FORT WAYNE, IN 468980070
Phone: (260) 432-1568
Fax: (260) 432-4969
Type: Mailing
West Jefferson Boulevard, Fort Wayne, Allen County, Indiana, 46814, United States
FORT WAYNE, IN 468043072
Phone: (260) 432-1568
Fax: (260) 432-4969
Type: Location
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2013-10-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20050126000911 | I | Diagnostic Radiology | IN | TBD |
| I20131017000685 | I | Diagnostic Radiology | OH | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 167 | 162 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 79 | 78 | $0 |
| 71046 | X-ray of chest, 2 views | 78 | 78 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 75 | 74 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 29 | 29 | $0 |
Insurance plans in this area (ZIP 46898)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IN | 73562 | X-ray of knee, 3 views | 33 | 31 |
| DIAGNOSTIC RADIOLOGY | IN | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 27 | 27 |
| DIAGNOSTIC RADIOLOGY | IN | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 70 | 70 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | IN | |
| Nurse Practitioner | IN | |
| Diagnostic Radiology | IN | |
| Nurse Practitioner | IN | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN | |
| Physician Assistant | IN | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IN | |
| Diagnostic Radiology | IN |
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