Quick answers
- Which hospitals does Aaron S. Epstein work at?
- Medicare's official clinician data lists Aaron S. Epstein at 2 hospitals: Northwestern Lake Forest Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron S. Epstein see patients?
- Medicare's clinician data lists 11 practice locations, including Lake Forest, IL, Grayslake, IL and Glenview, IL. Call before your visit to confirm the address.
- What is Aaron S. Epstein's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Aaron S. Epstein accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron S. Epstein 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 S. Epstein?
- (847) 535-8500, as listed in official Medicare / NPI Registry data.
- What is Aaron S. Epstein's NPI number?
- 1922085729. 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 S. Epstein works
Medicare's Facility Affiliation Data lists Aaron S. Epstein 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 Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Aaron S. Epstein is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1000 N Westmoreland Rd, Pavillion B 3rd FlLake Forest, IL 60045 (847) 535‑8500
- 1000 Westmoreland RdLake Forest, IL 60045 (847) 234‑5600
- 1475 E Belvidere RdGrayslake, IL 60030
- 2701 Patriot BlvdGlenview, IL 60026
- 2701 Patriot Blvd, Suite 200Glenview, IL 60026 (312) 926‑6146
Group practices
Medicare enrollment lists Aaron S. Epstein as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lake Forest
Clinicians with the same Medicare primary specialty in Lake Forest, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922085729 |
| 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