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Internal Medicine

Alex D. Chang, MD

Sees patients in Pasadena, CA · California

Summary

Alex D. Chang, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Pasadena, CA. NPI 1760133458. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alex D. 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

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
3Years since medical school (graduated 2023)
Oregon Health Sciences University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Alex D. Chang see patients?
Medicare's clinician data lists 2 practice locations, including Pasadena, CA. Call before your visit to confirm the address.
What is Alex D. Chang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Alex D. Chang accept Medicare assignment?
Medicare's clinician data says Alex D. Chang may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Alex D. Chang's NPI number?
1760133458. 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 Alex D. Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Pasadena

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

All internal medicine doctors in Pasadena →

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year2023
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1760133458
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