Dr. Oisin R. O'Neill, MD

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Dr. Oisin R. O'Neill, MD

Neurosurgery | Male

The Oregon Clinic 5050 NE Hoyt St Ste 359, Portland, OR 97213 Get Directions
(503) 935-8501

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Personal Bio

Dr. O'Neill is a board certified neurosurgeon in the United States as well as in the European Union. He completed...Read more

Dr. O'Neill's Experience

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Dr. O'Neill accepts 20 insurance carriers

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Hospital Quality

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Dr. O'Neill's Reviews

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Likelihood of recommending Dr. O'Neill to family and friends
3.6
based on 25 total surveys (3 with reviews)
Key Survey Insights
  • Trustworthiness
     (24)
  • Helpfulness
     (24)
  • Staff
     (23)
  • Scheduling
     (24)
Experience with Dr. O'Neill
  • Level of trust in provider's decisions
     (24)
  • How well provider explains medical condition(s)
     (24)
  • How well provider listens and answers questions
     (24)
  • Spends appropriate amount of time with patients
     (24)
Dr. O'Neill's Office & Staff
  • Ease of scheduling urgent appointments
     (24)
  • Office environment, cleanliness, comfort, etc.
     (24)
  • Staff friendliness and courteousness
     (23)
  • Total wait time (waiting & exam rooms)
    16 – 30 minutes (22)
Open Full Survey+
Portland, OR |
I needed brain surgery for a meningioma and had an interview scheduled. My husband took time off from work, and Dr. O'Neill kept us waiting 45 minutes while he discussed sports with someone else, loudly. It took all our available time and when we expressed our frustration, he shouted at us! Dreadful experience -- we were needing help not confrontation.
in Columbia City, OR |
Dr.Oneal abruptly shoved all files,films in my husbands arms and physically pushed him out the door when we asked him for a recommendation for a 2nd opinion. He is so arrogant he told me You wouldn't understand instead of answering my questions. Assuming I am stupid. He took NO time explaining anything..(DUHHH) Refusing to spell one of things I wanted to look up. (He probably didn't know how to spell it) Best to know him before placing trust in him.
in Spring Hill, TN |
He did back surgery for me in 1996 and I was very impressed. 18 years later, I returned with compression of cervical disc. He did surgery then too. I could not be MORE UNIMPRESSED. Very big change in this man in 18 years. He was gung-ho to do the surgery but absolutely did not care about the after effects. I have suffered everyday since his surgery and he dismissed me with a go see a shoulder doctor. AVOID AT ALL COSTS.
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Specialties

  • Neurosurgery

Board Certifications

Why It Matters: Dr. O'Neill's Board Certifications

Board certification should be one of your top considerations when choosing a doctor. Board certification is an official recognition given to doctors who have met specific requirements set by national medical specialty boards in the... More

  • Neurosurgery

Conditions Treated

  • Acoustic Neuroma
  • Aneurysm
  • Bone Disorders
  • Brain and Nervous System Cancer (incl. Gliomas, Astrocytoma, Schwannoma, Medulloblastoma, Chordoma)
  • Brain Aneurysm
  • Brain Cancer
  • Brain Disorders
  • Broken Neck
  • Cancer
  • Cerebral Artery Thrombosis
  • Cerebral Hemorrhage
  • Cerebral Vascular Disease
  • Cerebrospinal Fluid Leak (CSF Leak)
  • Cerebrovascular Disease
  • Cervical Spine Myelopathy
  • Chiari's Deformity
  • Degenerative Disc Disease
  • Ear Disorders
  • Epilepsy
  • Fracture
  • Herniated Disc
  • Hydrocephalus
  • Idiopathic Intracranial Hypertension
  • Intervertebral Disc Disease
  • Low Back Pain
  • Lumbar Spine Fracture
  • Meningiomas
  • Myelopathy
  • Nerve Sheath Tumors
  • Normal Pressure Hydrocephalus
  • Osteoarthritis of Spine
  • Pathological Spine Fracture
  • Post-Laminectomy Syndrome
  • Radiculopathy (Not Due to Disc Displacement)
  • Scoliosis
  • Secondary Malignancies
  • Spina Bifida
  • Spinal Cord Injury
  • Spinal Cord Tumor
  • Spinal Stenosis
  • Spine Deformities
  • Spine Disorders
  • Spine Fractures, Traumatic
  • Spondylolisthesis
  • Stroke
  • Subarachnoid Hemorrhage
  • Subdural Hemorrhage
  • Thoracic Spine Fracture
  • Thoracic Spine Myelopathy
  • Thrombosis
  • Vascular Disease

Procedures Performed

  • Abscess or Fluid Incision and Drainage
  • Brain Surgery
  • Cerebrospinal Fluid (CSF) Shunt - Insertion, Repair or Removal
  • Craniectomy, Craniotomy, Surgery of Skull Base, Neuroendoscopy
  • Disc Replacement
  • Dural Repair or Other Spinal Cord Repair
  • Herniated Disc Surgery
  • Lamina Procedures (incl. Laminectomy, Laminoplasty, Laminotomy)
  • Neuroplasty
  • Neurostimulation
  • Spinal Cord Stimulation
  • Spinal Fusion
  • Spinal Reconstructive Surgery for Deformities
  • Stereotaxis

Background Check

  • 0
    Malpractice Claims

    No malpractice history found for Oregon.

    What is medical malpractice
  • 0
    Sanctions

    No sanctions history found for the years that Healthgrades collects data.

    What is a sanction or disciplinary action
  • 0
    Board Actions

    No board actions found for the years that Healthgrades collects data.

    What are board actions

Education

  • Medical School
    Royal College Of Surgeons In Ireland / Medical School

    Graduated in 1985

  • Internship Hospital
    Ohsu Hospital and Clinics

    Completed in 1989

  • Residency Hospital
    Oregon Health & Science University

    Completed in 1994

    University Of Washington

    Completed in 1988

  • Fellowship Hospital
    Oregon Health & Science University

    Completed in 1993

    Royal College Of Surgeons

    Completed in 1991

Awards & Recognition

  • Awards & Honors
    • Healthgrades Honor Roll
    What is a recognized doctor
  • Media & Publications

    Dr. O'Neill has no media or publications listed.

Languages Spoken

  • English
  • French

Memberships &
Professional Affiliations

Dr. O'Neill does not have any memberships or affiliations listed. If you are Dr. O'Neill and would like to add memberships or affiliations, please update your free profile.

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Dr. O'Neill's experience matches your search based on the following criteria:

  • Based on total number of patients treated over the last 12 months
  • Specializes in Neurosurgery
  • Board certified in Neurosurgery
  • No malpractice claims found
  • No sanctions found
  • No board actions found
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Why Does Experience Matter?

Even specialists specialize. One orthopedic surgeon might do nothing but hip surgeries, while another does nothing but knees. If you want the best possible care, it’s critical to match your medical need with the doctor who truly specializes in treating it.

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Patient Satisfaction Results for Dr. O'Neill

Overall Patient Satisfaction Score

Dr. O'Neill's Office & Staff

Ease of scheduling urgent appointments
Office environment, cleanliness, comfort, etc.
Staff friendliness and courteousness
Total wait time (waiting & exam rooms)
16 – 30 minutes

Experience with Dr. O'Neill

Level of trust in provider's decisions
How well provider explains medical condition(s)
How well provider listens and answers questions
Spends appropriate amount of time with patients
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Dr. O'Neill says...

Dr. O'Neill is a board certified neurosurgeon in the United States as well as in the European Union. He completed his medical training at the Royal College of Surgeons in 1985 and his neurosurgery training started in Richmond and Beaumont hospitals in Dublin, Ireland. In 1988, Dr. O'Neill and his family immigrated to the United States where he received neurosurgery training at the University of Washington and at Oregon Health & Sciences University. In 1991 he was examined and admitted as a Fellow of the Royal College of Surgeons in Ireland. Dr. O'Neill's particular interests are in the treatment of brain tumors, stereotactic radiosurgery, and in the surgical treatment of the vascular pathology of the brain.