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

Denis A Harlock, MD

Individual provider Family Medicine Physician · NPI 1164532941

Denis A Harlock, MD is a Family Medicine Physician in Sedro Woolley, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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 Ball St
Sedro Woolley, WA 98284-0450
Phone: (360) 855-1411
Fax: (360) 855-1411
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD00041814 (WA)

Record details

NPI number1164532941
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESApril 5, 2016
Mailing address1115 Se 164th Ave Dept 358, Vancouver, WA 98683-8004

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