Quick answers
- Which hospitals does Arun Jagannathan work at?
- Medicare's official clinician data lists Arun Jagannathan at 5 hospitals: OSF Little Company of Mary Medical Center, OSF Saint Anthony's Health Center, Silver Cross Hospital and Medical Centers, St Joseph Medical Center and The University of Chicago Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arun Jagannathan see patients?
- Medicare's clinician data lists 28 practice locations, including Ottawa, IL, Streator, IL and Homer Glen, IL. Call before your visit to confirm the address.
- What is Arun Jagannathan's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Arun Jagannathan accept Medicare assignment?
- Yes. Medicare's clinician data says Arun Jagannathan 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.
- Does Arun Jagannathan offer telehealth?
- Medicare's clinician data says Arun Jagannathan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Arun Jagannathan?
- (815) 433-3100, as listed in official Medicare / NPI Registry data.
- What is Arun Jagannathan's NPI number?
- 1891817961. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arun Jagannathan works
Medicare's Facility Affiliation Data lists Arun Jagannathan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
- OSF Saint Anthony's Health CenterAlton, IL · Acute Care Hospital · CCN 140052
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
- St Joseph Medical CenterBloomington, IL · Acute Care Hospital · CCN 140162
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · CCN 140088
Practice locations
Addresses where Arun Jagannathan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 28; the Medicare profile lists all.
- 1100 E Norris DrOttawa, IL 61350 (815) 433‑3100
- 111 Spring StStreator, IL 61364 (815) 673‑2311
- 12701 W 143rd StHomer Glen, IL 60491 (708) 364‑6337
- 1401 E 12th StMendota, IL 61342 (815) 539‑7461
- 1505 Eastland DrBloomington, IL 61701 (309) 663‑2100
Group practices
Medicare enrollment lists Arun Jagannathan as a member of these groups (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
- Central Illinois Radiological Associates Ltd209 clinicians in the group
- Cira Michigan PC91 clinicians in the group
- Health Service Systems, Inc68 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891817961 |
| 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