Dr. Jennifer Logan

Hans Katzberg is a Neuromusculoskeletal Medicine provider in San Francisco, California. Dr. Katzberg is highly rated in 13 conditions, according to our data. His top areas of expertise are Myasthenia Gravis, Chronic Inflammatory Demyelinating Polyneuropathy, Multifocal Motor Neuropathy, Sensorimotor Polyneuropathy, and Thymectomy.

Paul Sampognaro is a Neuromusculoskeletal Medicine provider in San Francisco, California. Dr. Sampognaro is highly rated in 5 conditions, according to our data. His top areas of expertise are Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Spinal and Bulbar Muscular Atrophy, Spinal Muscular Atrophy Type 3, and Spinal Muscular Atrophy (SMA).

Dr. Jeffrey W. Ralph is a neurologist who specializes in diseases of the nerve, muscle and neuromuscular transmission, the nerve activity that leads to muscle movement. He is an expert in the category of nerve damage called peripheral neuropathy, with a particular interest in neuropathies that result from immune system activity. In 2004, he became director of the Neuropathy Center at UCSF Medical Center, founded in part with funding from the Neuropathy Association. In addition to treating patients in the clinic, he performs electromyograms – diagnostic tests that record muscles' electrical activity – including such specialized tests as single-fiber electromyograms and multiple-channel recordings for analyzing abnormal muscle tone. Ralph completed a neurology residency as well as fellowships in neuromuscular medicine and clinical neurophysiology at UCSF. His research has addressed treatments for neuropathy caused by HIV and AIDS. Dr. Ralph is highly rated in 51 conditions, according to our data. His top areas of expertise are Peripheral Neuropathy, Chronic Polyradiculoneuritis, Miller-Fisher Syndrome, and Guillain-Barre Syndrome.