National Provider Identifier Database

DIANA CHAU, OD – NPI #1023749041
Optometrist

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye.


Contact Information

DIANA CHAU, OD
9800 4TH AVE NE
SEATTLE, WA98115-2152
Phone: 206-302-1200
Fax:
Website:
Specialty Taxonomy Code
* Optometrist 152W00000X

* Indicates primary specialty

NPI Profile & details for DIANA CHAU

NPI Number 1023749041
Credentials OD (Doctor of Optometry)
Entity Individual
Enumeration date 06/21/2022
Last updated 02/10/2026 - About 4 months ago
Sole proprietor1 No
Identifiers
  • WA License #: OD61288124
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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