NILARUN CHOWDHURI (MD) – Clinical Cardiac Electrophysiology Physician, NPI 1104278878
Clinical Cardiac Electrophysiology Physician
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Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
8,824 INTERNAL MEDICINE in IL
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Provider Addresses for NILARUN CHOWDHURI (MD)
Louis A. Weiss Memorial Hospital, 4646, North Marine Drive, Uptown, Chicago, Lake View Township, Cook County, Illinois, 60640, United States
CHICAGO, IL 606405759
Phone: (773) 878-8700
Type: Location
1236 E RUSHOLME ST STE 300
DAVENPORT, IA 528032484
Phone: (563) 324-2992
Fax: (563) 324-8562
Type: Mailing
2451 University Hospital Dr
Mobile, AL 366172300
Phone: (251) 471-7000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 175 Open Payments records for all available years, with a total value of $35,789.
Total Amount is formed as General ($35,789) + Research ($0) + Ownership ($0) = $35,789.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: Abbott Laboratories ($11,149).
Total Amount
$35,789
General + Research + Ownership
Payments
175
Total payment records
General Amount
$35,789
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $11,149 |
| Medtronic, Inc. | $10,736 |
| Boston Scientific Corporation | $6,096 |
| BIOTRONIK INC. | $5,321 |
| Medical Device Business Services, Inc. | $926 |
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: 2024-09-20
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 |
|---|---|---|---|---|
| I20240920000387 | I | Internal Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60640)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | IA | |
| Nurse Practitioner | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Pediatric Medicine | IA | |
| Nurse Practitioner | IL | |
| Nurse Practitioner | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | IA | |
| Nurse Practitioner | IA | |
| Cardiac Electrophysiology, Interventional Cardiology, Cardiovascular Disease (Cardiology) | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IL |
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