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Geriatric Medicine

Chelsea M. Lam, MD

Sees patients in Harbor City, CA · California

Summary

Dr. Chelsea M. Lam, MD is a geriatrician at 25821 Vermont Ave, Harbor City, CA 90710. Phone: (310) 325-5111. Accepts Medicare assignment. NPI 1073121786. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Geriatrician (Medicare lists Geriatric Medicine)
  • Address: 25821 Vermont Ave, Harbor City, CA 90710 · Directions (1 more location)
  • Phone: (310) 325‑5111
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: University Of California, Irvine, California College Of Medicine · graduated 2020 (6 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Chelsea M. Lam, 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 Chelsea M. Lam accept Medicare assignment?
Yes. Medicare's clinician data says Chelsea M. Lam 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 Chelsea M. Lam's NPI number?
1073121786. 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 Chelsea M. Lam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Chelsea M. Lam as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in California →

Other geriatricians in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All geriatricians in California →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073121786
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