1. Home
  2. Directory
  3. California
  4. Diamond Bar
  5. Pediatrics
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

RUEY-KANG R. CHANG M.D.
NPI 1427029677
Pediatrics - Pediatric Cardiology in Diamond Bar, CA

Active since January 27, 2006PECOS Enrolled
1360 VALLEY VISTA DR, STE 203, DIAMOND BAR, CA 91765(310) 866-0709(310) 755-3108 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 16, 2021 (2 updates tracked since 2021).

About Ruey-kang R. Chang M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RUEY-KANG R. CHANG M.D. (NPI 1427029677) is an individual pediatric cardiology provider in Diamond Bar, California, licensed in California (A53331) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427029677
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameRUEY-KANG R. CHANGCredential: M.D.
Location Address1360 VALLEY VISTA DR, STE 203Diamond Bar, CA 91765-3953
Mailing Address1360 Valley Vista Dr, Ste 203Diamond Bar, CA 91765-3953 · (310) 866-0709 · Fax (310) 755-3108
Phone(310) 866-0709
Fax(310) 755-3108
Sole ProprietorNo
Enumeration DateJanuary 27, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2021
✔ NPI 1427029677 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in CA · A53331
Definition

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

1360 VALLEY VISTA DR, Diamond Bar, CA 91765
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruey-kang R. Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ruey-kang Chang's NPI number?

The NPI number for Ruey-kang Chang is 1427029677. It was assigned to this individual provider in the NPPES registry on January 27, 2006.

Where is Ruey-kang Chang located?

Ruey-kang Chang practices at 1360 Valley Vista Dr Ste 203, Diamond Bar, CA 91765. The listed phone number is (310) 866-0709.

What is Ruey-kang Chang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Ruey-kang Chang enrolled in Medicare?

Yes. Ruey-kang Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ruey-kang Chang was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.