Quick answers
- Which hospitals does Narayan Sundaram work at?
- Medicare's official clinician data lists Narayan Sundaram at 5 hospitals: Ingalls Memorial Hospital, Insight Hospital and Medical Center Chicago, Methodist Hospitals Inc, The University of Chicago Medical Center and UChicago Medicine Northwest Indiana. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Narayan Sundaram see patients?
- Medicare's clinician data lists 4 practice locations, including Crown Point, IN, Homewood, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Narayan Sundaram's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Narayan Sundaram accept Medicare assignment?
- Yes. Medicare's clinician data says Narayan Sundaram accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Narayan Sundaram?
- (888) 824-0200, as listed in official Medicare / NPI Registry data.
- What is Narayan Sundaram's NPI number?
- 1598940090. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Narayan Sundaram works
Medicare's Facility Affiliation Data lists Narayan Sundaram at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ingalls Memorial HospitalHarvey, IL · Acute Care Hospital · CCN 140191
- Insight Hospital and Medical Center ChicagoChicago, IL · Acute Care Hospital · CCN 140158
- Methodist Hospitals IncGary, IN · Acute Care Hospital · CCN 150002
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
- UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · CCN 150195
Practice locations
Addresses where Narayan Sundaram is enrolled with Medicare (CMS data updated 2026-10-02).
- 10855 Virginia StCrown Point, IN 46307 (888) 824‑0200
- 17805 Halsted StHomewood, IL 60430 (773) 702‑1000
- 47 W Polk St, Suite G1Chicago, IL 60605 (773) 702‑1000
- 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200
Group practices
Medicare enrollment lists Narayan Sundaram as a member of this group (CMS data updated 2026-10-02).
- University of Chicago1,712 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Crown Point
Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Vanderbilt University School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598940090 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians