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Internal Medicine

Erica Yen, DO

Sees patients in San Francisco, CA · California

Summary

Dr. Erica Yen, DO is an internal medicine doctor at 2238 Geary Blvd, San Francisco, CA 94115. Phone: (415) 833-2200. Accepts Medicare assignment. NPI 1184912032. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2238 Geary Blvd, San Francisco, CA 94115 · Directions
  • Phone: (415) 833‑2200
  • Medicare: Accepts Medicare assignment
  • Group practice: Permanente Medical Group Inc
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erica Yen, 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 Erica Yen accept Medicare assignment?
Yes. Medicare's clinician data says Erica Yen 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 Erica Yen's NPI number?
1184912032. 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 Erica Yen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erica Yen as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

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

All internal medicine doctors in San Francisco →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184912032
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