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

Dr. Clark Edmund Sisk, MD

Individual provider Dermatology Physician · NPI 1154436830

Dr. Clark Edmund Sisk, MD is a Dermatology Physician in Portland, Oregon. Practices as a sole proprietor. Licensed in Oregon and Washington.

Licensed in
OR, WA
In the registry since
2006
Specialties on file
2
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

3600 N Interstate Ave
Portland, OR 97227-1106
Phone: (503) 331-3033
Fax: (503) 280-2930
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence OR MD12188 (OR)
Dermatology Physician Taxonomy 207N00000X · Licence WA MD00035021 (WA)

Record details

NPI number1154436830
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 20, 2006
Last updated in NPPESJuly 9, 2007

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