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

Dr. Brian Timothy Larsen, MD

Individual provider Internal Medicine Physician · NPI 1366768533

Dr. Brian Timothy Larsen, MD is an Internal Medicine Physician in Hermiston, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2010
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

620 NW 11th St Ste M103
Hermiston, OR 97838-6941
Phone: (541) 567-5305
Fax: (541) 303-8767
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 MD165374 (OR)

Record details

NPI number1366768533
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 13, 2010
Last updated in NPPESJune 10, 2026
Certification dateJune 10, 2026
Mailing address620 Nw 11th St Ste M103, Hermiston, OR 97838-6941

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