Neurology
Nizar Chahin, M.D.
Associate Professor of Neurology
Portland, OR
Dr. Nizar Chahin is a neuromuscular medicine specialist and Associate Professor of Neurology at Oregon Health & Science University. He completed three fellowships at Mayo Clinic in muscle disease, peripheral nerve disease, and electromyography, giving him extensive expertise in diagnosing and treating patients with diverse neuromuscular disorders. His main clinical interest is in inflammatory myopathy — diseases that cause inflammation in the muscle, including dermatomyositis, polymyositis, and
30+
Years in Practice
Credentials
Board Certifications
- Neurology (ABPN)
- Clinical Neurophysiology (ABPN)
- Neuromuscular Medicine (ABPN)
- Clinical Neuromuscular Pathology (ABPN)
Education & Training
- Medical Degree: Damascus University Faculty of Medicine
- Residency: University of Missouri, Columbia
- Fellowship: Mayo Clinic, Muscle Disease (2003-2005)
- Fellowship: Mayo Clinic, Peripheral Nerve Disease (2005-2006)
- Fellowship: Mayo Clinic, Electromyography (2006-2007)
Peer Recognition
- Castle Connolly — Top Doctor
2024-2026 (3 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Neuromuscular Medicine
Conditions & Treatments
Neuromuscular DiseaseInflammatory MyopathiesMyasthenia GravisPeripheral NeuropathyPompe Disease & Lysosomal Storage DisordersElectrodiagnostic Testing (EMG/NCS)
Practice Details
Hospital Affiliations
- Mid-columbia Medical Center
- OHSU Hospital
- Providence Portland Medical Center
- Samaritan Albany General Hospital
- Mercy Medical Center
Experience
30+ years in practice