1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Internal Medicine
  6. NPI Profile

JOHN TEKUANG CHANG MD
NPI 1023043387
Internal Medicine in Los Angeles, CA

Active since July 12, 2006
200 MEDICAL PLAZA, #365, LOS ANGELES, CA 90095(310) 825-0631 Get Directions Write a Review

NPPES record last updated: June 9, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Tekuang Chang Md NPPES

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

JOHN TEKUANG CHANG MD (NPI 1023043387) is an individual internal medicine provider in Los Angeles, California, licensed in California (A69499) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1023043387
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN TEKUANG CHANGCredential: MD
Location Address200 MEDICAL PLAZA, #365Los Angeles, CA 90095-3075
Mailing Address5767 W Century Blvd, Suite 200Los Angeles, CA 90045-5632 · (310) 828-7172 · Fax (310) 394-7807
Phone(310) 825-0631
Sole ProprietorNo
Enumeration DateJuly 12, 2006
Last NPPES UpdateJune 9, 2010
✔ NPI 1023043387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A69499
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
200 MEDICAL PLAZA, Los Angeles, CA 90095
Open in Google Maps ↗

Other Identifiers 3

Medicare PINWA69499ACA
Medicaid00A694990CA
Medicare UPINH05370CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANJAY RASTOGI MD
Internal Medicine (Nephrology)
200 MEDICAL PLAZA, #365,420,120,530
LOS ANGELES, CA 90095
Los Angeles County (310) 794-9718
ROBERTO BALBINO VARGAS MD
Internal Medicine
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6301
MATTHEW ELLIS CONOLLY MD
Internal Medicine
200 MEDICAL PLAZA, #214,365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9583
TIMOTHY A MILLER MD
Plastic Surgery
200 MEDICAL PLAZA, #465
LOS ANGELES, CA 90095
Los Angeles County (310) 825-5510
RAM RAJ SINGH MD
Internal Medicine (Rheumatology)
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6301
MAIE ABDUL-RAHMAN ST JOHN MD
Otolaryngology
200 MEDICAL PLAZA, #550
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6688
HAMID REZA HAJMOMENIAN MD
Internal Medicine (Nephrology)
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 319-4371
ANDRE ELIAS NEL MD
Internal Medicine (Allergy & Immunology)
200 MEDICAL PLAZA, #365,530,420,120
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6301

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 John Chang's NPI number?

The NPI number for John Chang is 1023043387. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is John Chang located?

John Chang practices at 200 Medical Plaza #365, Los Angeles, CA 90095. The listed phone number is (310) 825-0631.

What is John Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Chang was last updated on June 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.