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

Dr. Brannan O'Neill, MD

Individual provider Neurological Surgery Physician · NPI 1770086597

Dr. Brannan O'Neill, MD is a Neurological Surgery Physician in Portland, Oregon. Works from 2 locations. Licensed in District of Columbia.

Licensed in
DC
In the registry since
2018
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

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3098
Phone: (503) 494-8211
Show map & directions

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

Additional practice locations (1)

  • 111 Michigan Avenue, Washington, DC 20010-2916 — (281) 794-7455

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence MD600003612 (DC)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1770086597
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2018
Last updated in NPPESMay 13, 2025
Certification dateMay 6, 2025

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