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

Dr. Mark Barrett Walker, MD

Individual provider Ophthalmology Physician · NPI 1447598149

Dr. Mark Barrett Walker, MD is an Ophthalmology Physician in Renton, Washington. Practices as a sole proprietor. Licensed in California, Idaho, New Mexico and Oregon and 1 more.

Licensed in
CA, ID, NM, OR, WA
In the registry since
2013
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1300 SW 7th St #105
Renton, WA 98057-5225
Phone: (425) 687-7700
Fax: (425) 687-7703
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence MD00036470 (WA)
Ophthalmology Physician Taxonomy 207W00000X · Licence M-8998 (ID)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD-26380 (OR)
Ophthalmology Physician Taxonomy 207W00000X · Licence C52196 (CA)
Ophthalmology Physician Taxonomy 207W00000X · Licence MD2012-0678 (NM)

Record details

NPI number1447598149
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 30, 2013
Last updated in NPPESJanuary 30, 2013
Mailing address333 11th Ave W, Kirkland, WA 98033-5313

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