Quick answers
- Which hospitals does Aleksander W. Keller work at?
- Medicare's official clinician data lists Aleksander W. Keller at 1 hospital: St Clair Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aleksander W. Keller see patients?
- Medicare's clinician data lists 1 practice location in Pittsburgh, PA. Call before your visit to confirm the address.
- What is Aleksander W. Keller's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Aleksander W. Keller accept Medicare assignment?
- Yes. Medicare's clinician data says Aleksander W. Keller 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 Aleksander W. Keller?
- (412) 942-4000, as listed in official Medicare / NPI Registry data.
- What is Aleksander W. Keller's NPI number?
- 1043849771. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aleksander W. Keller works
Medicare's Facility Affiliation Data lists Aleksander W. Keller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Clair HospitalPittsburgh, PA · Acute Care Hospital · CCN 390228
Practice locations
Addresses where Aleksander W. Keller is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Bower Hill RdPittsburgh, PA 15243 (412) 942‑4000
Group practices
Medicare enrollment lists Aleksander W. Keller as a member of this group (CMS data updated 2026-10-02).
- St Clair Medical Services Inc209 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Pittsburgh
Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043849771 |
| 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