He is currently the Medical Director at Calvert County Nursing Home and has served as the Vice Chair of the Department of Medicine at Calvert Memorial Hospital. He has been a member of the American Medical Association (AMA) and American College of Physicians (ACP), and is licensed to practice medicine in both Maryland and Virginia. Dr. Mathur is actively involved in research projects that study the effects of Sudarshan Kriya Yoga on neuropsychological parameters.