Quick answers
- Which hospitals does Eric M. Ruderman work at?
- Medicare's official clinician data lists Eric M. Ruderman at 5 hospitals: Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eric M. Ruderman see patients?
- Medicare's clinician data lists 20 practice locations, including Chicago, IL, Evanston, IL and Deerfield, IL. Call before your visit to confirm the address.
- What is Eric M. Ruderman's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Eric M. Ruderman accept Medicare assignment?
- Yes. Medicare's clinician data says Eric M. Ruderman 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 Eric M. Ruderman offer telehealth?
- Medicare's clinician data says Eric M. Ruderman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Eric M. Ruderman?
- (630) 933-1500, as listed in official Medicare / NPI Registry data.
- What is Eric M. Ruderman's NPI number?
- 1871526657. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eric M. Ruderman works
Medicare's Facility Affiliation Data lists Eric M. Ruderman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Eric M. Ruderman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 20; the Medicare profile lists all.
- 1135 S Delano Ct EChicago, IL 60605 (630) 933‑1500
- 1135 W Delano Ct, A201Chicago, IL 60605 (312) 695‑0665
- 1333 W Belmont AveChicago, IL 60657
- 1630 Sherman AveEvanston, IL 60201
- 250 E Superior, 2304 Nwmff Prent Wmn HospChicago, IL 60611 (312) 472‑3660
Group practices
Medicare enrollment lists Eric M. Ruderman as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871526657 |
| 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