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Undefined Non-Physician Type (Specify)

Chih Chang Chao

Sees patients in Walnut, CA · Montebello, CA · California

Summary

Chih Chang Chao is a clinician at 108 Corta Cresta Dr, Walnut, CA 91789. May accept Medicare assignment. NPI 1881542306. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinician (Medicare lists Undefined Non-Physician Type (Specify))
  • Address: 108 Corta Cresta Dr, Walnut, CA 91789 · Directions (1 more location)
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Chih Chang Chao, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Chih Chang Chao accept Medicare assignment?
Medicare's clinician data says Chih Chang Chao may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Chih Chang Chao's NPI number?
1881542306. 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 Chih Chang Chao is enrolled with Medicare (CMS data updated October 2, 2026).

  • 108 Corta Cresta DrWalnut, CA 91789
  • 524 N Montebello BlvdMontebello, CA 90640

Specialties

Find other Undefined Non-Physician Type (Specify) doctors in California →

Other clinicians in California

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

All clinicians in California →

Clinician information

Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1881542306
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 October 2, 2026, retrieved October 29, 2026
  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