Quick answers
- Which hospitals does Gary L. Schaer work at?
- Medicare's official clinician data lists Gary L. Schaer at 3 hospitals: Northwestern Memorial Hospital, Rush Oak Park Hospital and Rush University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary L. Schaer see patients?
- Medicare's clinician data lists 10 practice locations, including Chicago, IL, Oak Brook, IL and Oak Park, IL. Call before your visit to confirm the address.
- What is Gary L. Schaer's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Gary L. Schaer accept Medicare assignment?
- Yes. Medicare's clinician data says Gary L. Schaer 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 Gary L. Schaer offer telehealth?
- Medicare's clinician data says Gary L. Schaer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gary L. Schaer?
- (312) 942-5904, as listed in official Medicare / NPI Registry data.
- What is Gary L. Schaer's NPI number?
- 1447279237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary L. Schaer works
Medicare's Facility Affiliation Data lists Gary L. Schaer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · CCN 140063
- Rush University Medical CenterChicago, IL · Acute Care Hospital · CCN 140119
Practice locations
Addresses where Gary L. Schaer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1411 S Michigan AveChicago, IL 60605
- 1520 W Harrison StChicago, IL 60607 (312) 942‑5904
- 1620 W Harrison StChicago, IL 60612
- 1653 W Congress PkwyChicago, IL 60612
- 1700 W Van Buren StChicago, IL 60612 (312) 563‑2875
Group practices
Medicare enrollment lists Gary L. Schaer as a member of this group (CMS data updated 2026-10-02).
- Rush University Medical Group1,551 clinicians in the group
Specialties
Other interventional cardiologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447279237 |
| 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