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

Ellin Ying-Chun Wu, OD

Individual provider Corneal and Contact Management Optometrist · NPI 1063660660

Ellin Ying-Chun Wu, OD is an Optometry in Sunnyvale, California. Graduated from University of California - School of Optometry in 2008, 18 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Trained at
University of California - School of Optometry
Licensed in
CA
In the registry since
2008
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

1085 W El Camino Real
Sunnyvale, CA 94087-1030
Phone: (408) 524-5900
Fax: (408) 524-5950
Show map & directions

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

Additional practice locations (2)

  • 770 Scott Blvd, Santa Clara, CA 95050-6927 — (408) 296-0511
  • 130 S Sunnyvale Ave, Sunnyvale, CA 94086 — (408) 736-3802

Specialties & licences

Corneal and Contact Management Optometrist (primary) Taxonomy 152WC0802X · Licence OPT13544 (CA)

Record details

NPI number1063660660
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedSeptember 8, 2008
Last updated in NPPESAugust 30, 2021
Certification dateAugust 10, 2021

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 2008 (18 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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