Dr. Dafna H. Koldobskiy

Alan Schwartz is a Pulmonary Medicine specialist and a Sleep Medicine provider in Towson, Maryland. Dr. Schwartz is rated as a Distinguished provider by MediFind in the treatment of Central Sleep Apnea. His top areas of expertise are Obstructive Sleep Apnea, Central Sleep Apnea, Cerebral Hypoxia, Endoscopy, and Adenoidectomy. Dr. Schwartz is currently accepting new patients.

Charu Sabharwal is a Sleep Medicine provider in Leesburg, Virginia. Dr. Sabharwal is rated as a Distinguished provider by MediFind in the treatment of Central Sleep Apnea. Her top areas of expertise are Obstructive Sleep Apnea, Insomnia, Central Sleep Apnea, and Periodic Limb Movement Disorder. Dr. Sabharwal is currently accepting new patients.

Dr. Pham is a physician who specializes in pulmonary, critical care, and sleep medicine. He provides care for critically ill patients in the Medical ICU. His clinical focus is in the diagnosis and management of sleep-disordered breathing. He provides teaching to medical students, residents, and fellows at Johns Hopkins. Lab Website Polotsky Research Lab - Lab Website Research Summary Dr. Pham’s research focus is on the mechanisms and impact of sleep disordered breathing, with a particular emphasis on the role of hypoxia. His research interests have led him to the highlands of Peru, where he collaborates extensively with the CRONICAS cohort investigators to characterize the impact of hypoxia on respiratory patterns, cardiovascular responses and metabolism. He is currently involved in developing low-cost readily deployable strategies to treat sleep disordered breathing at high altitude. He has also pursued his research interests by modeling the metabolic impact of ambient hypoxia in the sleep lab. As a member of the leadership of the Center for Interdisciplinary Sleep Research and Education (CISRE), he is committed to improving investigators’ access to sleep recording and data analysis. Dr. Van Pham is rated as an Advanced provider by MediFind in the treatment of Central Sleep Apnea. His top areas of expertise are Obstructive Sleep Apnea, Cerebral Hypoxia, Central Sleep Apnea, and Obesity Hypoventilation Syndrome (OHS).