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

Dr. Sidney Tan Chang, MD

Individual provider Ophthalmology Physician · NPI 1790888006

Dr. Sidney Tan Chang, MD is an Ophthalmology in San Diego, California. Graduated from Js Weill Medical College, Cornell University in 2004, 22 years ago. Practices with Chesapeake Eye Care and Laser Center LLC, a 80-clinician group and accepts Medicare assignment. Licensed in California, Hawaii, Maryland and Missouri.

Years since qualifying
22
Trained at
Js Weill Medical College, Cornell University
Licensed in
CA, HI, MD, MO
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 W Arbor Dr Regents Of The University Of California
San Diego, CA 92103-9000
Phone: (858) 534-6290
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A125489 (CA)
Ophthalmology Physician Taxonomy 207W00000X · Licence 2008017344 (MO)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD-15590 (HI)
Ophthalmology Physician Taxonomy 207W00000X · Licence D74915 (MD)

Record details

NPI number1790888006
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2006
Last updated in NPPESJuly 16, 2013

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2004 (22 years in practice)
Group practice Chesapeake Eye Care And Laser Center Llc — 80 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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