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

Diana Chen, OD

Individual provider Optometrist · NPI 1962989863

Diana Chen, OD is an Optometry in Walnut Creek, California. Qualified in 2018, 8 years ago. Practices with Reina Y Perez a Professional Corporation, a 2-clinician group and works from 2 locations. Licensed in California and Texas.

Years since qualifying
8
Licensed in
CA, TX
In the registry since
2018
Specialties on file
2
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

1855 San Miguel Dr Ste 28
Walnut Creek, CA 94596-5298
Phone: (925) 935-8820
Show map & directions

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

Additional practice locations (1)

  • 4901 Calhoun Rd, Houston, TX 77204-2020 — (713) 743-2020

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 34271 (CA)
Optometrist Taxonomy 152W00000X · Licence 9524TG (TX)

Record details

NPI number1962989863
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 24, 2018
Last updated in NPPESSeptember 28, 2020
Certification dateSeptember 28, 2020
Mailing address1855 San Miguel Dr Ste 28, Walnut Creek, CA 94596-5298

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Reina Y Perez A Professional Corporation — 2 clinicians
Accepts Medicare assignment Not indicated

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