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

Family Practice

Walter Chang, MD

Sees patients in Gardena, CA · Harbor City, CA · California

Summary

Walter Chang, MD (Family Practice) is enrolled with Medicare at 5 practice locations in Gardena, CA and Harbor City, CA. NPI 1689044760. 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 Walter Chang, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
9Years since medical school (graduated 2017)
University Of California, Davis School Of MedicineMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Walter Chang see patients?
Medicare's clinician data lists 5 practice locations, including Gardena, CA and Harbor City, CA. Call before your visit to confirm the address.
What is Walter Chang's specialty?
Medicare lists Family Practice as the primary specialty.
Does Walter Chang accept Medicare assignment?
Yes. Medicare's clinician data says Walter Chang 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.
Does Walter Chang offer telehealth?
Medicare's clinician data says Walter Chang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Walter Chang?
(310) 217-5300, as listed in official Medicare / NPI Registry data.
What is Walter Chang's NPI number?
1689044760. 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 Walter Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

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

Specialties

Find other Family Practice doctors in California →

Other family doctors in Gardena

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

All family doctors in Gardena →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1689044760
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