Quick answers
- Which hospitals does Jennifer L. Oster work at?
- Medicare's official clinician data lists Jennifer L. Oster at 3 hospitals: Garfield Medical Center, Greater El Monte Community Hospital and San Gabriel Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jennifer L. Oster see patients?
- Medicare's clinician data lists 1 practice location in Brea, CA. Call before your visit to confirm the address.
- What is Jennifer L. Oster's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jennifer L. Oster accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer L. 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 Jennifer L. Oster's NPI number?
- 1548816937. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jennifer L. Oster works
Medicare's Facility Affiliation Data lists Jennifer L. Oster at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · CCN 050737
- Greater El Monte Community HospitalSouth el Monte, CA · Acute Care Hospital · CCN 050738
- San Gabriel Valley Medical CenterSan Gabriel, CA · Acute Care Hospital · CCN 050132
Practice locations
Addresses where Jennifer L. Oster is enrolled with Medicare (CMS data updated 2026-10-02).
- 135 S State College Blvd, Suite 200Brea, CA 92821
Group practices
Medicare enrollment lists Jennifer L. Oster as a member of these groups (CMS data updated 2026-10-02).
- Ming-Wei Wu Inc37 clinicians in the group
- Professional Wound Specialists PC8 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548816937 |
| 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