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

Dr. Stephen D Mattson, MD

Individual provider Military Health Care Provider · NPI 1164407474

Dr. Stephen D Mattson, MD is a Military Health Care Provider in Oak Harbor, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2005
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

3475 N Saratoga St
Oak Harbor, WA 98278-4927
Phone: (360) 257-9836
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Military Health Care Provider (primary) Taxonomy 171000000X · Licence MD00042954 (WA)

Record details

NPI number1164407474
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 8, 2005
Last updated in NPPESOctober 30, 2007
Mailing address3475 N Saratoga St, Oak Harbor, WA 98278-4927

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