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

Dr. Mark S. Yerby, MD

Individual provider Specialist · NPI 1891960860

Dr. Mark S. Yerby, MD is a Specialist in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

830 NE 47th Ave
Portland, OR 97213-2212
Phone: (503) 978-0178
Fax: (503) 286-7939
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence MD10835 (OR)
Vascular Neurology Physician Taxonomy 2084V0102X · Licence MD10835 (OR)

Record details

NPI number1891960860
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 29, 2008
Last updated in NPPESFebruary 29, 2016
Mailing address8316 N Lombard St, Pmb 324, Portland, OR 97203-3727

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