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Emergency Medicine

Sarah A. Glenister, MD

Works at hospitals in Stockton, CA · California

Summary

Dr. Sarah A. Glenister, MD is an emergency medicine doctor at 1800 N California St, Stockton, CA 95204. Phone: (209) 467-6556. Accepts Medicare assignment. NPI 1770288938. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1800 N California St, Stockton, CA 95204 · Directions (1 more location)
  • Phone: (209) 467‑6556
  • Medicare: Accepts Medicare assignment
  • Hospital: St Joseph's Medical Center of Stockton
  • Group practice: San Francisco Physicians International Medical Group Inc (+1 more)
  • Medical school: graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah A. Glenister, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

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.

Practice locations

Addresses where Sarah A. Glenister is enrolled with Medicare (CMS data updated October 2, 2026).

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

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Stockton

Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.

All emergency medicine doctors in Stockton →

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

CredentialMD
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770288938
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians