OISIN RUADRI O'NEILL MD
NPI 1093701898
Neurological Surgery in Portland, OR

Active since September 27, 2005
9155 SW BARNES RD, STE 440, PORTLAND, OR 97225(503) 297-3766(503) 297-8148 Get Directions Write a Review

NPPES record last updated: January 2, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 2, 2020, Dec 13, 2019 (2 updates tracked since 2019).

About Oisin Ruadri O'neill Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OISIN RUADRI O'NEILL MD (NPI 1093701898) is an individual neurological surgery provider in Portland, Oregon, licensed in Oregon (MD 17954) and active in the NPI registry since September 2005. He maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1093701898
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameOISIN RUADRI O'NEILLCredential: MD
Location Address9155 SW BARNES RD, STE 440Portland, OR 97225-6625
Mailing Address847 Ne 19th Ave, Suite 300Portland, OR 97232-2684 · (503) 963-2801 · Fax (503) 963-2825
Fax(503) 297-8148
Sole ProprietorNo
Enumeration DateSeptember 27, 2005
Last NPPES UpdateJanuary 2, 20202 updates tracked since enumeration
NPI 1093701898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in OR · MD 17954
Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

9155 SW BARNES RD, Portland, OR 97225

Secondary Practice Location 1

Location 15050 NE Hoyt St Ste 359Portland, OR 97213-2983 · Phone (503) 935-8501 · Fax (503) 935-8506

Other Identifiers 3

Medicaid067814OR
Other140006376Rr Medicare
Other3873100ID · Welfare

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
9155 SW BARNES RD, STE 205
PORTLAND, OR 97225
Psychiatry & Neurology (Psychiatry)
9155 SW BARNES RD, STE 333
PORTLAND, OR 97225
Pediatrics (Pediatric Endocrinology)
9155 SW BARNES RD, SUITE 931
PORTLAND, OR 97225
Physical Medicine & Rehabilitation
9155 SW BARNES RD, #440
PORTLAND, OR 97225
Audiologist-Hearing Aid Fitter
9155 SW BARNES RD, STE 401
PORTLAND, OR 97225
Pharmacist
9155 SW BARNES RD
PORTLAND, OR 97225
Naturopath
9155 SW BARNES RD, SUITE 331
PORTLAND, OR 97225
Speech-Language Pathologist
9155 SW BARNES RD, CHILDREN'S DEVELOPMENT INSTITUTE, EAST PAVILION
PORTLAND, OR 97225

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oisin O'neill's NPI number?

The NPI number for Oisin O'neill is 1093701898. It was assigned to this individual provider in the NPPES registry on September 27, 2005.

Where is Oisin O'neill located?

Oisin O'neill practices at 9155 SW Barnes Rd Ste 440, Portland, OR 97225. The listed phone number is (503) 297-3766.

What is Oisin O'neill's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

When was this NPI record last updated?

The NPPES record for Oisin O'neill was last updated on January 2, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.