Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ya Ju Chang, MD

Individual provider Cardiovascular Disease Physician · NPI 1801879119

Dr. Ya Ju Chang, MD is a Rheumatology in New York, New York. Qualified in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Licensed in
NY
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

41 Elizabeth St Ste 203
New York, NY 10013-4637
Phone: (212) 334-9591
Fax: (212) 334-9598
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 207546 (NY)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 207546 (NY)

Record details

NPI number1801879119
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 22, 2005
Last updated in NPPESApril 15, 2025
Certification dateApril 15, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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