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

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