Dr. Christian E. Castillo

David Claman is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in San Francisco, California. Dr. Claman is highly rated in 17 conditions, according to our data. His top areas of expertise are Obstructive Sleep Apnea, Insomnia, Central Sleep Apnea, and Acute Interstitial Pneumonia.

Dr. Rochelle Zak is a sleep medicine specialist who cares for patients with sleep disorders, including restless legs syndrome, sleep apnea, parasomnia (abnormal behaviors that occur during sleep) and insomnia. She has a particular interest in helping patients manage restless legs syndrome (RLS). Zak's research focuses on sleep in women in midlife as well as the different ways that RLS may be seen in patients. Zak earned her medical degree at the David Geffen School of Medicine at UCLA. She completed residencies in neurology at New York – Presbyterian Hospital. She completed fellowships in neuro-ophthalmology at Montefiore Medical Center and at North Shore Medical Center and sleep medicine at New York – Presbyterian Hospital. Zak volunteers with the American Academy of Sleep Medicine, serving on the guidelines advisory panel. She is also a member of the executive committee of the International Restless Legs Syndrome Study Group. Dr. Zak is highly rated in 6 conditions, according to our data. Her top areas of expertise are Restless Legs Syndrome, Periodic Limb Movement Disorder, Obstructive Sleep Apnea, and Insomnia.

Dr. Paul J. Wolters specializes in the diagnosis and care of patients with interstitial lung disease, a category of disorders in which scarring of lung tissue affects breathing. Wolters is actively involved in research that aims to better understand the development of idiopathic pulmonary fibrosis, a type of interstitial lung disease. He is director of biological research for the UCSF Interstitial Lung Disease Program. Wolters received his medical degree from the University of Minnesota. He completed a residency in internal medicine at the University of Colorado, and a fellowship in pulmonary and critical care medicine at UCSF. He joined UCSF's division of pulmonary and critical care medicine in 1999. Dr. Wolters is highly rated in 12 conditions, according to our data. His top areas of expertise are Acute Interstitial Pneumonia, Idiopathic Pulmonary Fibrosis, Interstitial Lung Disease, Pulmonary Fibrosis, and Lung Transplant.