Quick answers
- Which hospitals does Nadeem Ansari work at?
- Medicare's official clinician data lists Nadeem Ansari at 2 hospitals: Presence St Marys Hospital and Riverside Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nadeem Ansari see patients?
- Medicare's clinician data lists 3 practice locations, including Willmington, IL, Bourbonnais, IL and Peotone, IL. Call before your visit to confirm the address.
- What is Nadeem Ansari's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Nadeem Ansari accept Medicare assignment?
- Yes. Medicare's clinician data says Nadeem Ansari 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 Nadeem Ansari?
- (815) 476-5210, as listed in official Medicare / NPI Registry data.
- What is Nadeem Ansari's NPI number?
- 1073651808. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nadeem Ansari works
Medicare's Facility Affiliation Data lists Nadeem Ansari at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Presence St Marys HospitalKankakee, IL · Acute Care Hospital · CCN 140155
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · CCN 140186
Practice locations
Addresses where Nadeem Ansari is enrolled with Medicare (CMS data updated 2026-10-02).
- 105 S 1st StWillmington, IL 60481 (815) 476‑5210
- 400 Riverside Dr, Suite 2800Bourbonnais, IL 60914 (815) 935‑1100
- 611 Division StPeotone, IL 60468 (708) 258‑9058
Group practices
Medicare enrollment lists Nadeem Ansari as a member of this group (CMS data updated 2026-10-02).
- Riverside Health System199 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073651808 |
| 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