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

Dr. Mark Koenen, MD

Individual provider Psychiatry Physician · NPI 1649414301

Dr. Mark Koenen, MD is a Psychiatry Physician in Seattle, Washington. Practices as a sole proprietor. Licensed in California and Washington.

Licensed in
CA, WA
In the registry since
2009
Specialties on file
4
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

601 Union St Ste 1704
Seattle, WA 98101-2341
Phone: (206) 623-1949
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD00041348 (WA)
Forensic Psychiatry Physician Taxonomy 2084F0202X · Licence A106795 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence A106795 (CA)
Forensic Psychiatry Physician Taxonomy 2084F0202X · Licence MD00041348 (WA)

Record details

NPI number1649414301
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 26, 2009
Last updated in NPPESApril 14, 2010

Other providers in Seattle