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

William J. Chang, MD

Individual provider Ophthalmology Physician · NPI 1487732020

William J. Chang, MD is an Ophthalmology Physician in Redwood City, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

1150 Veterans Blvd
Redwood City, CA 94063-2037
Phone: (650) 299-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G50770 (CA)

Record details

NPI number1487732020
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007

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