Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Trang Lam, MD

Sees patients in Garden Grove, CA · California

Summary

Trang Lam, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Garden Grove, CA. NPI 1891718565. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Trang 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
FemaleGender (as listed)
Nhan Hoa Comprehensive Health Care Clinic Inc.Group practice

Quick answers

Where does Trang Lam see patients?
Medicare's clinician data lists 1 practice location in Garden Grove, CA. Call before your visit to confirm the address.
What is Trang Lam's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Trang Lam accept Medicare assignment?
Yes. Medicare's clinician data says Trang Lam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Trang Lam?
(714) 898-8888, as listed in official Medicare / NPI Registry data.
What is Trang Lam's NPI number?
1891718565. 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 Trang Lam is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Trang Lam as a member of this group (CMS data updated 2026-10-02).

  • Nhan Hoa Comprehensive Health Care Clinic Inc.6 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Garden Grove

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

All internal medicine doctors in Garden Grove →

Clinician information

CredentialMD
Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891718565
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