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

Dr. Michael Bruce Shanahan, MD

Individual provider Internal Medicine Physician · NPI 1255400354

Dr. Michael Bruce Shanahan, MD is an Internal Medicine Physician in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2006.

Licensed in
OR
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.

See every abbreviation used in this directory →

Practice location Address checks out

9205 SW Barnes Rd
Portland, OR 97225-6603
Phone: (503) 216-1763
Fax: (503) 216-1750
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD12860 (OR)
Hospitalist Physician Taxonomy 208M00000X · Licence MD12860 (OR)

Record details

NPI number1255400354
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 6, 2006
Last updated in NPPESSeptember 11, 2025

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