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

Mark Stephen Flanagan, MD

Individual provider Surgery Physician · NPI 1154457257

Mark Stephen Flanagan, MD is a Surgery Physician in Olympia, Washington. Licensed in North Dakota. Registered with an NPI since 2007.

Licensed in
ND
In the registry since
2007
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

700 Lilly Road NE Group Health
Olympia, WA 98506-5196
Phone: (360) 923-7530
Fax: (360) 923-7599
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence PT 10464 (ND)
Surgery Physician Taxonomy 208600000X · Licence 10464 (ND)

Record details

NPI number1154457257
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 26, 2007
Last updated in NPPESJuly 21, 2008

Other providers in Olympia