NARAYAN SUNDARAM – Diagnostic Radiology Physician, NPI 1598940090
Diagnostic Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
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Provider Addresses for NARAYAN SUNDARAM
Cancer Treatment Centers of America at Midwestern Regional Medical Center, 2520, Elisha Avenue, Zion, Illinois, 60099, United States
DEPARTMENT OF RADIOLOGY
ZION, IL 600992676
Phone:
Type: Mailing
5841 S MARYLAND AVE
CHICAGO, IL 606371443
Phone: (888) 824-0200
Type: Location
150 HARVESTER DR
SUITE 300
BURR RIDGE, IL 605275919
Phone:
Type: Mailing
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: 2024-04-11
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 |
|---|---|---|---|---|
| I20111216000226 | I | Diagnostic Radiology | IL | TBD |
| I20240411001252 | I | Diagnostic Radiology | IN | 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 |
|---|---|---|---|---|
| 73562 | X-ray of knee, 3 views | 364 | 259 | $0 |
| 73502 | X-ray of hip, 2-3 views | 309 | 292 | $0 |
| 73030 | X-ray of shoulder, minimum of 2 views | 291 | 256 | $0 |
| 71045 | X-ray of chest, 1 view | 250 | 236 | $0 |
| 73564 | X-ray of knee, 4 or more views | 195 | 157 | $0 |
Insurance plans in this area (ZIP 60099)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IL | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 88 | 66 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | IL | |
| N E U R O L O G Y | IL | |
| General Surgery | IN | |
| Pediatric Medicine, Emergency Medicine | IL | |
| - | IL | |
| - | IL | |
| Cardiovascular Disease (Cardiology) | IL | |
| - | IL | |
| Nurse Practitioner | MI | |
| Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology) | IL |
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