Dr. Brian Timothy Larsen , MD
Internal Medicine • Hermiston, OR
Professional Overview & Biography Verified Profile Summary
Dr. Brian Larsen, MD is a registered healthcare professional specializing in Internal Medicine in Hermiston, OR. Practice services are available at 620 NW 11TH ST STE M103 under active NPI credentials.
Frequently performed procedures and clinical services include fee covid-19 vac 14 res. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
620 Nw 11th St Ste M103
Hermiston, OR 978386941
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Hermiston, OR
Practicing in Hermiston, OR (2185 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
0134A
Fee covid-19 vac 14 res
|
11 | 11 | $40.00 | $37.88 |
Medical Specialties & State Licenses
CMS Verified: 2026-06-10NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
Nurse Practitioner - Family
Family Nurse Practitioner (Certified)
Nurse Practitioner - Family
Nurse Practitioner - Family
Advanced Registered Nurse Practitioner
Family Medicine
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 620 NW 11TH ST STE M103, HERMISTON, OR 978386941 (Tel: 5415675305)
Registered at 620 NW 11TH ST STE M103, HERMISTON, OR 978386941 (Tel: 5415675305)
Registered at 600 NW 11TH ST STE E37, HERMISTON, OR 978388604 (Tel: 5415675305)
Registered at 600 NW 11TH ST STE E37, HERMISTON, OR 978388604 (Tel: 5415675305)
NPI status registered as active in NPPES database
Registered at 610 NW 11TH ST, HERMISTON, OR 978386601 (Tel: 5415675305)
Registered at 600 NW 11TH ST, STE E37, HERMISTON, OR 978388604 (Tel: 5415675305)
Recorded as BRIAN LARSEN, M.D.
Internal Medicine (License #MD165374 in OR)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
620 Nw 11th St Ste M103
Hermiston, OR 978386941
Phone: 5416673797
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