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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).


Our records indicate this doctor is a student.

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Specialties & Research

  • He has special expertise in 28 areas:
  • ACTH-Secreting Pituitary Adenoma
  • Arnold-Chiari Malformation
  • Arthrodesis (Spinal Fusion)
  • Brain Abscess
  • Brain Aneurysm
  • Brain Arteriovenous Malformation (Intracranial Arteriovenous Malformations)
  • Brain Cancer
  • Brain Cancer (Astrocytoma)
  • Brain Cancer (Infratentorial Neoplasm)
  • Brain Cancer (Meningioma)
  • Brain Cancer (Oligodendroglioma)
  • Carotid Stenosis
  • Cerebrovascular Disorders
  • Cranial Nerve Diseases
  • Endoscopy (Endoscopic Surgery)
  • Glial Cancer (Glioma)
  • Growth Hormone-Secreting Pituitary Adenoma
  • Herniated Disc
  • Hydrocephalus
  • Laminectomy
  • > Show all expertise

Education & Awards


Dr. Bieber has 2 hospital affiliations:

  • Oregon Health & Science University Hospitals And Clinics 
  • Veterans Affairs Medical Center - Portland 


  • Spanish

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Additional Information
Dr. Andrew Joseph Bieber DO is a male Neurosurgeon and practices in Neurological Surgery.
Where does Dr. Andrew J. Bieber practice?
Dr. Andrew Bieber has 2 office locations.
Dr. Andrew Bieber practices Neurological Surgery near Portland, OR.
See Portland Neurological Surgeons.