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

Dr. Diana Chau, OD

Individual provider Optometrist · NPI 1023749041

Dr. Diana Chau, OD is an Optometry in Seattle, Washington. Graduated from Southern California College of Optometry in 2022, 4 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
4
Trained at
Southern California College of Optometry
Licensed in
WA
In the registry since
2022
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

9800 4th Ave NE
Seattle, WA 98115-2152
Phone: (206) 302-1200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9720 4th Ave Ne, Seattle, WA 98115-2143 — (206) 527-7132

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OD61288124 (WA)

Record details

NPI number1023749041
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 21, 2022
Last updated in NPPESFebruary 10, 2026
Certification dateFebruary 10, 2026

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2022 (4 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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