Dr. Jan Tatman graduated from the Physician Assistant program at the George Washington University Medical Center and practiced in the Washington, DC area in primary care and emergency medicine for 14 years. During that time, she completed a PhD in clinical psychology at the American University, also in DC. Her graduate training culminated in an internship in Health Psychology at Rush-Presbyterian-St. Luke's Medical Center in Chicago, followed by a post-doctoral fellowship in Sleep Medicine, also at Rush. In Phoenix she developed private practices in both sleep disorders and general psychology, continuing this work for 20 years and retiring clinically in 2013. Her practice included the interpretation of thousands of polysomnograms as well as diverse clinical services to both adult and pediatric sleep-disordered patients.

Dr. Tatman is a Fellow of the American Academy of Sleep Medicine, Diplomate of the American Board of Sleep Medicine, and Certified in Behavioral Sleep Medicine. She periodically serves as a reviewer for the Journal of Clinical Sleep Medicine. During 2016, she developed a self-paced sleep medicine curriculum for A.T. Still University's Department of Physician Assistant Studies. She continues to relish teaching both professional and lay groups about sleep and its disorders.