Quick answers
- Which hospitals does Sharon E. Oster work at?
- Medicare's official clinician data lists Sharon E. Oster at 2 hospitals: Saint Alphonsus Regional Medical Center and St Luke's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sharon E. Oster see patients?
- Medicare's clinician data lists 1 practice location in Boise, ID. Call before your visit to confirm the address.
- What is Sharon E. Oster's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
- Does Sharon E. Oster accept Medicare assignment?
- Yes. Medicare's clinician data says Sharon E. Oster 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 Sharon E. Oster?
- (208) 344-2928, as listed in official Medicare / NPI Registry data.
- What is Sharon E. Oster's NPI number?
- 1528076643. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sharon E. Oster works
Medicare's Facility Affiliation Data lists Sharon E. Oster at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
- St Luke's Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130006
Practice locations
Addresses where Sharon E. Oster is enrolled with Medicare (CMS data updated 2026-10-02).
- 403 S 11th St, Suite 310Boise, ID 83702 (208) 344‑2928
Specialties
- Internal Medicineprimary
- Infectious Diseasealso
Other internal medicine doctors in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 1980 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528076643 |
| 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