Quick answers
- Which hospitals does Andrew Geiser work at?
- Medicare's official clinician data lists Andrew Geiser at 1 hospital: Advocate Condell Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew Geiser see patients?
- Medicare's clinician data lists 2 practice locations, including Chicago, IL and Libertyville, IL. Call before your visit to confirm the address.
- What is Andrew Geiser's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Andrew Geiser accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Geiser 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 Andrew Geiser?
- (773) 774-8000, as listed in official Medicare / NPI Registry data.
- What is Andrew Geiser's NPI number?
- 1891343133. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew Geiser works
Medicare's Facility Affiliation Data lists Andrew Geiser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · CCN 140202
Practice locations
Addresses where Andrew Geiser is enrolled with Medicare (CMS data updated 2026-10-02).
- 7435 W Talcott AveChicago, IL 60631 (773) 774‑8000
- 801 S Milwaukee AveLibertyville, IL 60048 (847) 990‑5300
Group practices
Medicare enrollment lists Andrew Geiser as a member of this group (CMS data updated 2026-10-02).
- Cepamerica Illinois LLP499 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891343133 |
| 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