Quick answers
- Which hospitals does Aaron Gurfinchel work at?
- Medicare's official clinician data lists Aaron Gurfinchel at 5 hospitals: Morris Hospital & Healthcare Centers, Northwestern Medicine Central Dupage Hospital, Riverside Medical Center, Saint Joseph Medical Center and Silver Cross Hospital and Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron Gurfinchel see patients?
- Medicare's clinician data lists 2 practice locations, including Joliet, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
- What is Aaron Gurfinchel's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Aaron Gurfinchel accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron Gurfinchel 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 Aaron Gurfinchel?
- (815) 905-2209, as listed in official Medicare / NPI Registry data.
- What is Aaron Gurfinchel's NPI number?
- 1639392939. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron Gurfinchel works
Medicare's Facility Affiliation Data lists Aaron Gurfinchel at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Morris Hospital & Healthcare CentersMorris, IL · Acute Care Hospital · CCN 140101
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · CCN 140186
- Saint Joseph Medical CenterJoliet, IL · Acute Care Hospital · CCN 140007
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
Practice locations
Addresses where Aaron Gurfinchel is enrolled with Medicare (CMS data updated 2026-10-02).
- 3100 Theodore St, Suite 201Joliet, IL 60435 (815) 905‑2209
- 800 Biesterfield RdElk Grove Village, IL 60007 (847) 981‑3680
Group practices
Medicare enrollment lists Aaron Gurfinchel as a member of this group (CMS data updated 2026-10-02).
- Nephrology Associates of Northern Illinois Ltd117 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Joliet
Clinicians with the same Medicare primary specialty in Joliet, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639392939 |
| 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