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

Español Near me My list Help
US Patient GuideUSA
Surprise me
Family Practice

Justin Chen, DO

Sees patients in Downey, CA · La Mirada, CA · California

Summary

Justin Chen, DO (Family Practice) is enrolled with Medicare at 3 practice locations in Downey, CA and La Mirada, CA. NPI 1629728696. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(562) 789‑5456 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Justin Chen, 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

3Practice locations
Family PracticePrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
At Still Un Of Hlth Sciences, Col Of Osteo Med, MesaMedical school
MaleGender (as listed)
PIH Health PhysiciansGroup practice

Quick answers

Where does Justin Chen see patients?
Medicare's clinician data lists 3 practice locations, including Downey, CA and La Mirada, CA. Call before your visit to confirm the address.
What is Justin Chen's specialty?
Medicare lists Family Practice as the primary specialty, and also Sports Medicine.
Does Justin Chen accept Medicare assignment?
Yes. Medicare's clinician data says Justin Chen 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 Justin Chen?
(562) 789-5456, as listed in official Medicare / NPI Registry data.
What is Justin Chen's NPI number?
1629728696. 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 Justin Chen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • PIH Health Physicians622 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Downey

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

All family doctors in Downey →

Clinician information

CredentialDO
Medical schoolAt Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629728696
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