Louis Chang, MD

Dr. Tae Hwan Chung is an assistant professor of physical medicine and rehabilitation and neurology at Johns Hopkins. His areas of training and expertise include neuromuscular disorders and physical medicine and rehabilitation.Thanks to his diverse background, Dr. Chung is uniquely positioned to diagnose and treat a variety of neuromuscular conditions and pathology by using electrodiagnostic procedures and immune and rehabilitative treatments. Dr. Chung is particularly interested in rehabilitative treatments and therapeutic exercise for various neuromuscular diseases, such as myositis, peripheral neuropathy and motor neuron diseases.Dr. Chung runs a multidisciplinary rehabilitation clinic with the Johns Hopkins neuromuscular rehabilitation team, which he helped develop with physical, occupational and speech therapists, who are dedicated to helping patients with rare neuromuscular diseases. Note for patients: If you were scheduled with Dr. Chung through the Myositis Center, please use this contact number: (410) 550-6962.If you've been referred to Dr. Chung to address postural orthostatic tachycardia syndrome (POTS), please note that his POTS clinic is in Lutherville at the Green Spring Station.If you would like to make a contribution using a credit card to support the Neuromuscular and Myositis Rehabilitation Program, please visit our secure online giving page by clicking here.

Abdullah AlQahtani specializes in inherited and noninherited neuromuscular neurological diseases. Dr. AlQahtani obtained his medical degree from the King Saud University in Saudi Arabia. He also completed an internship and earned a master’s degree in public health from the University of Miami Miller School of Medicine, and he obtained residency training in neurology at the University Hospitals of Cleveland-Case Western Reserve University and the Louis Stokes Cleveland Department of Veterans Affairs Medical Center. After completing a neuromuscular fellowship at Case Western Reserve University, Dr. AlQahtani joined the neurogenetics branch of the National Institute of Neurological Disorders and Stroke. He worked on natural history studies of disease progression and phenotype-genotype correlation. His research focuses on the identification of biomarkers of disease progression in neuromuscular diseases.

Dr. Debraj “Raj” Mukherjee’s clinical focus is the treatment of patients with primary and metastatic brain lesions. His clinical work and research emphasize the development of individual treatment plans that optimize survival and quality of life in all patients. After receiving his medical degree from Dartmouth Medical School, Dr. Mukherjee was recruited to Johns Hopkins, where he studied epidemiology, biostatistics and clinical design at the Johns Hopkins Bloomberg School of Public Health and served as Director of the Neuro-Oncology Surgical Outcomes Laboratory in the Department of Neurosurgery. Dr. Mukherjee completed neurosurgery residency at Cedars-Sinai Medical Center, where he was named a Robert Wood Johnson Foundation Health & Society Scholar. He completed an open and endoscopic skull base fellowship with the Center for Skull Base Surgery at University of Pittsburgh Medical Center, where he was a Copeland Scholar. Throughout his career, Dr. Mukherjee has led patient-centered research pursuits in neuro-oncology including development of a national registry for patients with brain tumors, creation of disease-specific quality of life instruments for patients with skull base tumors, and development of innovative clinical trials in neuro-oncology. He leads the Meningioma, Brain Metastasis, and Neurosurgical Oncology centers at Johns Hopkins Medicine, and he serves as Assistant Residency Program Director for one of the largest neurosurgical training programs in the country. His work has been supported by the American Medical Association, Glioblastoma Foundation, National Institute on Aging, and National Cancer Institute. Dr. Mukherjee can be contacted at drraj@jhmi.edu.