MICHAEL NELLAMATTATHIL (D.O.) – Diagnostic Radiology Physician, NPI 1316309537
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for MICHAEL NELLAMATTATHIL (D.O.)
676 N Saint Clair St Ste 800
Chicago, IL 606112978
Phone: (312) 695-5753
Fax: (312) 695-5645
Type: Location
836 W Wellington Ave
Chicago, IL 606575147
Phone: (773) 296-5424
Type: Location
1789, Ridgeway Avenue Northwest, Atlantic Station, Atlanta, Fulton County, Georgia, 30318, United States
ATLANTA, GA 303187511
Phone: (773) 988-0810
Type: Mailing
Advocate Illinois Masonic Hospital, 836, West Wellington Avenue, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60657, United States
CHICAGO, IL 606575147
Phone: (773) 296-5424
Type: Location
2650 RIDGE AVE.
DEPT. OF RADIOLOGY
EVANSTON, IL 60201
Phone: (847) 570-2477
Fax: (847) 570-2942
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: 2021-06-15
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 |
|---|---|---|---|---|
| I20210615003675 | I | Diagnostic Radiology | IL | 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 |
|---|---|---|---|---|
| 74177 | Ct scan of abdomen and pelvis with contrast | 645 | 625 | $0 |
| 71250 | Ct scan of chest without contrast | 580 | 562 | $0 |
| 71045 | X-ray of chest, 1 view | 483 | 466 | $0 |
| 74176 | Ct scan of abdomen and pelvis without contrast | 330 | 320 | $0 |
| 71046 | X-ray of chest, 2 views | 306 | 303 | $0 |
Insurance plans in this area (ZIP 60611)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
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