Quick answers
- Which hospitals does Sarah Koser work at?
- Medicare's official clinician data lists Sarah Koser at 2 hospitals: Clovis Community Medical Center and Community Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sarah Koser see patients?
- Medicare's clinician data lists 2 practice locations, including Clovis, CA and Fresno, CA. Call before your visit to confirm the address.
- What is Sarah Koser's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Sarah Koser accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah Koser 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 Sarah Koser?
- (559) 324-4000, as listed in official Medicare / NPI Registry data.
- What is Sarah Koser's NPI number?
- 1184251225. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sarah Koser works
Medicare's Facility Affiliation Data lists Sarah Koser at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clovis Community Medical CenterClovis, CA · Acute Care Hospital · CCN 050492
- Community Regional Medical CenterFresno, CA · Acute Care Hospital · CCN 050060
Practice locations
Addresses where Sarah Koser is enrolled with Medicare (CMS data updated 2026-10-02).
- 2755 Herndon AveClovis, CA 93611 (559) 324‑4000
- 2823 Fresno StFresno, CA 93721 (559) 459‑6000
Group practices
Medicare enrollment lists Sarah Koser as a member of these groups (CMS data updated 2026-10-02).
- Cep America - California1,292 clinicians in the group
- Central California Faculty Medical Group Inc265 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Clovis
Clinicians with the same Medicare primary specialty in Clovis, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184251225 |
| 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