Dr. Stephen Yeung

Jeffrey Rosenfeld is a Neurologist practicing medicine in Loma Linda, California. Dr. Rosenfeld is highly rated in 49 conditions, according to our data. His clinical expertise encompasses Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Primary Lateral Sclerosis, Spinal and Bulbar Muscular Atrophy, Spinal Muscular Atrophy Type 3, and Craniectomy.

Dr. Tahseen Mozaffar is a board-certified UCI Health neurologist who specialize in neuromuscular disorders, including amyotrophic lateral sclerosis (ALS), myasthenia gravis, inflammatory myopathies, Pompe disease, muscle pathology and all types of muscular dystrophies.He serves as director of the UCI Health ALS & Neuromuscular Center, one of only six Muscular Dystrophy Association-designated centers in California.Mozaffar earned his medical degree at the Aga Khan University in Karachi, Pakistan, where he completed a rotating internship in internal medicine and general surgery. He completed a neurology residency at Barnes-Jewish Hospital in St. Louis, Mo., followed by a fellowship in neuromuscular disorders at Washington University, also in St. Louis.His research focus includes clinical and translational studies of neuromuscular disorders and he is the principal site investigator of more than a dozen clinical trials for myasthenia gravis, immune myopathies and rare and ultra-rare myopathies. He is also the lead UCI investigator for NeuroNEXT, a collaborative national effort to help streamline phase 2 clinical trials for brain disorders that is supported by the National Institute of Neurological Disorders and Stroke (NINDS).As an expert in rare and ultra-rare myopathies, he advises many pharmaceutical companies on clinical trial design and the identification of disease targets. He serves on a Pompe disease advisory board for Amicus Therapeutics and Spark Therapeutics, as well as on the data safety monitoring board for Acceleron and Sarepta Therapeutics. He also is a reviewer with the Emerging Technologies and Training in Neurosciences (ETTN) group for the National Institutes of Health (NIH). He has co-authored more than 175 peer-reviewed publications and has written or co-written more than a dozen book chapters and reviews.Mozaffar, who is also fluent in Hindi and Urdu, sees patients inIrvineandOrange. Dr. Mozaffar is highly rated in 31 conditions, according to our data. His clinical expertise encompasses Pompe Disease, Inclusion Body Myositis, Myositis, Limb-Girdle Muscular Dystrophy, and Thymectomy. Dr. Mozaffar is board certified in American Board Of Psychiatry And Neurology - Neurology.

Karen Frei is a Neurologist practicing medicine in Loma Linda, California. Dr. Frei is highly rated in 38 conditions, according to our data. Her clinical expertise encompasses Tardive Dyskinesia, Movement Disorders, Drug Induced Dyskinesia, and Parkinson's Disease.