Quick answers
- Does Sarah A. Glenister accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah A. Glenister accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Sarah A. Glenister's NPI number?
- 1770288938. 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 A. Glenister works
Medicare's Facility Affiliation Data lists Sarah A. Glenister at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- St Joseph's Medical Center of StocktonStockton, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050084
Practice locations
Addresses where Sarah A. Glenister is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 N California StStockton, CA 95204 (209) 467‑6556
- 333 Mercy AveMerced, CA 95340 (209) 564‑5140
Group practices
Medicare enrollment lists Sarah A. Glenister as a member of these groups (CMS data updated October 2, 2026).
- San Francisco Physicians International Medical Group Inc41 clinicians in the group
- San Joaquin Emergency Medical Associates15 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Stockton
Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.
Other clinicians in San Francisco Physicians International Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2023 (3 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770288938 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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