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Emergency Medicine

Sonia Lam, DO

Sees patients in Los Angeles, CA · California

Summary

Sonia Lam, DO (Emergency Medicine) is enrolled with Medicare at 1 practice location in Los Angeles, CA. NPI 1285261917. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sonia Lam, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
May acceptAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)

Quick answers

Where does Sonia Lam see patients?
Medicare's clinician data lists 1 practice location in Los Angeles, CA. Call before your visit to confirm the address.
What is Sonia Lam's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Sonia Lam accept Medicare assignment?
Medicare's clinician data says Sonia Lam may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Sonia Lam's NPI number?
1285261917. 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 Sonia Lam is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Los Angeles

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

All emergency medicine doctors in Los Angeles →

Clinician information

CredentialDO
Graduation year2020
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1285261917
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 2026-10-02, retrieved 2026-10-29
  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