Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Andrew Y Chang, MD

Individual provider Internal Medicine Physician · NPI 1366888778

Andrew Y Chang, MD is a Cardiovascular Disease (Cardiology) in New Haven, Connecticut. Graduated from Stanford University School of Medicine in 2013, 13 years ago. Practices with Yale University, a 2,618-clinician group and accepts Medicare assignment. Licensed in California and Connecticut.

Years since qualifying
13
Trained at
Stanford University School of Medicine
Licensed in
CA, CT
In the registry since
2013
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

800 Howard Ave
New Haven, CT 06519-1369
Phone: (203) 785-4127
Fax: (203) 785-7144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 374139 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 131726 (CA)

Record details

NPI number1366888778
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2013
Last updated in NPPESJune 3, 2024
Certification dateJune 3, 2024

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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