PCCAB - Key Persons


Brian J. Bohner

Job Titles:
  • Physician
  • Education / M.D. Pennsylvania State University / B.S. Duke University
Dr. Brian Bohner is a highly acclaimed physician specializing in pulmonary disease and sleep medicine. He is currently seeing patients out of the Towson office. In private practice for more than 25 years, Dr. Bohner is a founding member of the Pulmonary and Critical Care Associates of Baltimore (PCCAB). He also founded the Sleep Medicine Associates of Maryland, a sub-group of PCCAB. He is the founding medical director of several hospital sleep centers in the region, including Franklin Square Medical Center (1997), St. Joseph Medical Center (1999), Greater Baltimore Medical Center (2002), Sinai Hospital (2007), and Union Memorial Hospital (2009). All of these centers have been accredited by the American Academy of Sleep Medicine. Dr. Bohner is a founding member of the Maryland Sleep Society, serving as President from 2010-11 and again from 2013-15. He was also a member of the Maryland Sleep Consortium that spearheaded sleep technician licensure in the state. He has trained more than 100 medical residents in hospitals throughout the Baltimore region and hundreds more at sleep medicine training symposiums worldwide. He has been recognized as one of America's Top Physicians in sleep medicine by the Consumer's Research Council of America and was named one of the Top Doctors in sleep medicine by Baltimore magazine for more than 10 consecutive years. He is sometimes asked to provide expert analysis on sleep medicine for local media outlets. Dr. Bohner is a veteran who served as a Major in the Air Force for three years of active duty, including deployment to Operation Desert Storm in 1991. He enjoys golf and coin collecting and lives in Sparks with his wife, Wendy, and their son, Justin.

David Highfield

Job Titles:
  • Research Director
Dr. Highfield has over 30 years of experience in everything from in vitro lab work to human subjects research, including teaching research methods at local universities.

Diane Nguyen

Job Titles:
  • Clinical Research Coordinator
  • Lead Coordinator

Dr. Alan Schwartz

Job Titles:
  • Specialist
Dr. Alan Schwartz is a world-renowned sleep medicine specialist with an innovative, patient-centered approach to diagnosing and treating sleep disorders. He currently sees patients out of the Towson office. Dr. Schwartz has held leadership positions at Johns Hopkins Sleep Center for the past three decades. He was most recently Director of the Johns Hopkins Sleep Disorders Center, where he specialized in using nerve stimulation and tracheal and nasal insufflation to help patients successfully manage obstructive sleep apnea and sleep-disordered breathing. His rich history of research and product development allow him to draw from a wide spectrum of treatment options to make recommendations well-suited for each individual patient. Dr. Schwartz has authored more than 150 articles and is inventor on three patents. He was co-director of the Johns Hopkins Center for Interdisciplinary Sleep Research from 2009-2019, where he supported a panoply of sleep research studies and focused on developing physiologic tools to detect, assess and treat a wide variety of sleep and breathing disorders. In addition to his private practice and research roles, Dr. Schwartz is an accomplished educator and recipient of the David M. Levine Excellence in Mentoring Award from Johns Hopkins University (JHU) School of Medicine. He spent more than 30 years teaching for JHU's School of Medicine, rising to Professor of Medicine. From 2003 to 2018 he was also the Director of the Johns Hopkins Clinical Sleep Fellowship Training Program, in which he mentored physicians who have gone on to make significant contributions in the field. Dr. Schwartz continues to give presentations on sleep medicine around the globe.

Jason M. Birnbaum

Job Titles:
  • Education