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

Dentist

Joy H. Chang, DDS

Sees patients in Palo Alto, CA · California

Summary

Joy H. Chang, DDS (Dentist) is enrolled with Medicare at 1 practice location in Palo Alto, CA. NPI 1922489699. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joy H. 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

DentistPrimary specialty
May acceptAccepts Medicare assignment
11Years since medical school (graduated 2015)
FemaleGender (as listed)

Quick answers

Where does Joy H. Chang see patients?
Medicare's clinician data lists 1 practice location in Palo Alto, CA. Call before your visit to confirm the address.
What is Joy H. Chang's specialty?
Medicare lists Dentist as the primary specialty.
Does Joy H. Chang accept Medicare assignment?
Medicare's clinician data says Joy H. Chang may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Joy H. Chang's NPI number?
1922489699. 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 Joy H. Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Dentist, California →

Other dentists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All dentists in California →

Clinician information

CredentialDDS
Graduation year2015
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1922489699
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