Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Katherine Chia-Hsin Yang-Williams, OD

Individual provider Optometrist · NPI 1699774844

Dr. Katherine Chia-Hsin Yang-Williams, OD is an Optometry in Seattle, Washington. Graduated from University of Waterloo - School of Optometry in 1994, 32 years ago. Practices with Roosevelt Vision Source PLLC, a 7-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
32
Trained at
University of Waterloo - School of Optometry
Licensed in
WA
In the registry since
2005
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

7001 Roosevelt Way NE
Seattle, WA 98115
Phone: (206) 527-2987
Fax: (206) 526-8076
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OD00003285 (WA)

Record details

NPI number1699774844
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJuly 19, 2005
Last updated in NPPESMay 1, 2019

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF WATERLOO - SCHOOL OF OPTOMETRY
Graduated 1994 (32 years in practice)
Group practice Roosevelt Vision Source Pllc — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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