Quick answers
- Which hospitals does Sierra S. Elsken work at?
- Medicare's official clinician data lists Sierra S. Elsken at 3 hospitals: El Camino Health, Good Samaritan Hospital and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sierra S. Elsken see patients?
- Medicare's clinician data lists 4 practice locations, including San Jose, CA, Los Altos, CA and Palo Alto, CA. Call before your visit to confirm the address.
- What is Sierra S. Elsken's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Sierra S. Elsken accept Medicare assignment?
- Yes. Medicare's clinician data says Sierra S. Elsken 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 Sierra S. Elsken?
- (408) 559-2011, as listed in official Medicare / NPI Registry data.
- What is Sierra S. Elsken's NPI number?
- 1912467978. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sierra S. Elsken works
Medicare's Facility Affiliation Data lists Sierra S. Elsken at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
- Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · CCN 050380
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Sierra S. Elsken is enrolled with Medicare (CMS data updated 2026-10-02).
- 2425 Samaritan DrSan Jose, CA 95124 (408) 559‑2011
- 370 Distel CirLos Altos, CA 94022 (650) 254‑5200
- 795 El Camino RealPalo Alto, CA 94301 (415) 600‑1020
- 815 Pollard RdLos Gatos, CA 95032 (408) 378‑6131
Group practices
Medicare enrollment lists Sierra S. Elsken as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912467978 |
| 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