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Obstetrics/Gynecology

Alison L. Deforest Sjahrial, MD

Sees patients in San Diego, CA · California

Summary

Dr. Alison L. Deforest Sjahrial, MD is an OB-GYN at 1809 National Ave, San Diego, CA 92113. Phone: (619) 515-2300. Accepts Medicare assignment. NPI 1154900843. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1809 National Ave, San Diego, CA 92113 · Directions
  • Phone: (619) 515‑2300
  • Medicare: Accepts Medicare assignment
  • Group practice: Family Health Centers of San Diego Inc
  • Medical school: Loyola University Of Chicago, Stritch School Of Medicine · graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Alison L. Deforest Sjahrial, 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 Alison L. Deforest Sjahrial accept Medicare assignment?
Yes. Medicare's clinician data says Alison L. Deforest Sjahrial 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 Alison L. Deforest Sjahrial's NPI number?
1154900843. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Alison L. Deforest Sjahrial is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alison L. Deforest Sjahrial as a member of this group (CMS data updated October 2, 2026).

  • Family Health Centers of San Diego Inc311 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in San Diego

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

All OB-GYNs in San Diego →

Other clinicians in Family Health Centers of San Diego Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154900843
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians