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

Dr. Samantha Wenyan Chan, OD

Individual provider Optometrist · NPI 1861179806

Dr. Samantha Wenyan Chan, OD is an Optometry in San Francisco, California. Graduated from University of California - School of Optometry in 2023, 3 years ago. Practices with UCSF Medical Group Business Services, a 1,531-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Trained at
University of California - School of Optometry
Licensed in
CA
In the registry since
2023
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

490 Illinois St
San Francisco, CA 94158
Phone: (415) 353-2800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT35468-TLG (CA)

Record details

NPI number1861179806
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 30, 2023
Last updated in NPPESSeptember 22, 2025
Certification dateSeptember 22, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 2023 (3 years in practice)
Group practice Ucsf Medical Group Business Services — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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