Gastroenterology
Internal Medicine, Gastroenterology
📍 SAN DIEGO, CA
19+
Yrs licensed
0
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NPI-verified
#1265594527
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Dr. Chang is an M.D. specializing in Gastroenterology. They have 19+ years of experience in practice.
We put this together from the official NPPES NPI Registry and the CMS clinician file so you can get to know Dr. Chang before you reach out — it isn't written by the doctor. Always confirm the details with the office.
Full name
Dr. John Chang, M.D.
NPI number
1265594527
Specialty
Internal Medicine, Gastroenterology
Licensed since
2007 · 19+ years
Practice location
SAN DIEGO, CA
Office phone
800-926-8273