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Family Practice

Rudolph Chang, DO

Sees patients in Stockton, CA · Richmond, CA · California

Summary

Rudolph Chang, DO (Family Practice) is enrolled with Medicare at 2 practice locations in Stockton, CA and Richmond, CA. NPI 1376835595. 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 Rudolph 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
17Years since medical school (graduated 2009)
College Of Osteo Med Of The Pacific At PomonaMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Rudolph Chang see patients?
Medicare's clinician data lists 2 practice locations, including Stockton, CA and Richmond, CA. Call before your visit to confirm the address.
What is Rudolph Chang's specialty?
Medicare lists Family Practice as the primary specialty.
Does Rudolph Chang accept Medicare assignment?
Yes. Medicare's clinician data says Rudolph 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.
What is the phone number for Rudolph Chang?
(209) 476-2000, as listed in official Medicare / NPI Registry data.
What is Rudolph Chang's NPI number?
1376835595. 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 Rudolph Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Stockton

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

All family doctors in Stockton →

Clinician information

CredentialDO
Medical schoolCollege Of Osteo Med Of The Pacific At Pomona
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376835595
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