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Medical Leadership

Medical Leadership

Brain injury is a complex event that impacts every aspect of a patient’s life. Medical treatment is vital to healing the whole person throughout rehabilitation. Thus, our physicians are experts in treating injuries and comorbidities related to brain injury.

Centre for Neuro Skills

Matthew Ashley, M.D., J.D.

Chief Medical Officer

Dr. Ashley is responsible for executive oversight of medical programs and development for all clinics in California and Texas. He received his medical and juris doctor degrees from Southern Illinois University. He completed a neurology residency at University of California, Los Angeles, as well as a neurological rehabilitation fellowship at the university’s Neurological Rehabilitation and Research Unit. Having trained at a national stroke center, Dr. Ashley is one of the few neurology and rehabilitation-trained physicians who provide clinical services for postacute care.

Centre for Neuro Skills

Brent E. Masel, M.D.

Executive Vice President of Medical Affairs

A researcher, academician and physician, Dr. Masel is also a Clinical Professor of Neurology at the University of Texas Medical Branch in Galveston. Dr. Masel received his medical degree from the Loyola University School of Medicine, and completed his post-graduate training at the University of Texas Medical Branch. He is a board-certified Neurologist and was in the private practice of Neurology for 16 years. His research on traumatic brain injury has been published in Journal of Neurotrauma and Journal of Clinical Endocrinology and Metabolism. In 2013, Dr. Masel was honored by the Brain Injury Association of America as a recipient of the Sheldon Berrol Award.

 

Centre for Neuro Skills

Gary S. Seale, Ph.D., LPA, LCDC

Regional Director of Clinical Services

A researcher and academician, Dr. Seale is recognized for his work in brain injury rehabilitation and stroke. Dr. Seale is also an expert in the area of substance misuse recovery. He received a Ph.D. in Rehabilitation Science from the University of Texas Medical Branch and holds a clinical appointment at UTMB in the School of Health Professions, Department of Rehabilitation Science. His career in rehabilitation spans 30 years. He has conducted research and published peer-reviewed articles on rehabilitation outcomes, the relationship between positive emotion and recovery of functional status following stroke, and emergency preparedness for disabled populations.   

Centre for Neuro Skills

Christine Johnson, M.D.

Medical Director

Dr. Johnson's leadership and patient care at CNS began in 2005, when she joined the company as Medical Director for the Texas region. In this capacity, she sees a broad spectrum of neurological injury. She holds an M.D. and Bachelor of Science degree from University of Texas Medical Branch at Galveston. She was named Faculty of the Year, Physical Medicine and Rehabilitation Department, at University of Texas Southwestern Medical Center. She received the Barry S. Smith, M.D. Outstanding Teacher Award from Baylor Medical Center.

Centre for Neuro Skills

Omesh Singh, D.O., FACOI

Medical Director

Dr. Singh holds a Bachelor of Arts degree in Biology from University of Texas at Austin and attended the Lake Erie College of Osteopathic Medicine in Bradenton, Florida. He completed his Internal Medicine Residency training at Plaza Medical Center of Fort Worth, where he now is an Associate Professor of Internal Medicine. With an emphasis on stroke treatment and prevention, he also monitors comorbidities that can complicate traumatic and acquired brain injury rehabilitation: hypertension, diabetes, and substance misuse. 

Centre for Neuro Skills

Vibhay Prasad, M.D.

Medical Director

Dr. Prasad is a Physical Medicine and Rehabilitation specialist with 25 years of clinical experience treating stroke and traumatic brain injury. He has served as the Medical Director at the CNS Los Angeles clinic since 2003, providing patient care that supports long term independence. Dr. Prasad’s clinical interest is in combining applied exercise, medical management, and rehabilitation technology to achieve maximal functional outcome for his patients.

Centre for Neuro Skills

Gina P. Armstrong, M.D.

Medical Director

Dr. Armstrong graduated from the American University of the Caribbean School of Medicine and earned a Master of Science degree with honors in all clinical rotations. Dr. Armstrong holds a Bachelor of Science in psychology, cum laude, and has been recognized with honors for her academic excellence. Her fellowship at TIRR Memorial Hermann Hospital in Houston focused on spasticity management and the care of traumatic brain injury and stroke patients. 

Centre for Neuro Skills

Henry Koh, M.D.

Medical Director

Dr. Koh received his M.D. degree at the Chicago Medical School at Rosalind Franklin University of Medicine and Science. He is an attending physician and Rehabilitation Medical Director at Alta Bates Summit Medical Center in Oakland, and an attending at the Veterans Administration in Palo Alto, California. He completed a residency at Stanford University Hospital in Physical Medicine and Rehabilitation after finishing a preliminary residency at Alameda County Medical Center in Oakland. Dr. Koh is certified by the American Board of Physical Medicine and Rehabilitation. His professional interests include inpatient rehabilitation, acquired brain injury, spinal cord injury, and musculoskeletal/sports medicine. 

Centre for Neuro Skills

Evan Dimmitt, M.D.

Consulting Physician

Dr. Dimmitt earned his medical degree at St. George’s University School of Medicine in Grenada, West Indies. He graduated magna cum laude from the Keith B. Taylor Global Scholars program in Newcastle, England. Dr. Dimmitt completed a Physical Medicine and Rehabilitation residency at University of Miami-Jackson Memorial Hospital in Florida and completed an internal medicine year at New York Methodist Hospital in Brooklyn. He earned a Bachelor of Science degree in business administration from California Polytechnic State University, where he focused on entrepreneurial management. Dr. Dimmitt holds a medical license with the State of California and is an active member of the American Academy of Physical Medicine and Rehabilitation.