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

Dr. William Chang, OD

Individual provider Optometrist · NPI 1629206834

Dr. William Chang, OD is an Optometrist in San Gabriel, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

417 S San Gabriel Blvd Ste B
San Gabriel, CA 91776-1967
Phone: (626) 291-2020
Fax: (626) 585-2905
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence TLG13713 (CA)

Record details

NPI number1629206834
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 25, 2009
Last updated in NPPESSeptember 16, 2021
Certification dateSeptember 16, 2021
Mailing address417 S San Gabriel Blvd, Suite B, San Gabriel, CA 91776-1967

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