Dr. Mariel M. Pastrana

Stephen Luby is a primary care provider, practicing in Internal Medicine in Stanford, California. Dr. Luby is highly rated in 19 conditions, according to our data. His clinical expertise encompasses Diarrhea, Parainfluenza, Typhoid Fever, and Salmonella Enterocolitis.

Dr. Carolyn S. Calfee is a pulmonologist who cares for patients in UCSF's intensive care units. Calfee's research focuses on the causes and treatment of acute respiratory distress syndrome (ARDS). Her projects include studying the biologic differences within ARDS and how to target those differences by personalizing treatment; the role of environmental exposure, including to cigarette smoke and air pollution, in susceptibility to lung injury; and novel treatments for ARDS. During the coronavirus pandemic, she led research at UCSF to investigate how the immune system responds to COVID and to test promising new treatments for COVID-19-associated ARDS. Calfee earned her medical degree from the University of Pennsylvania Perelman School of Medicine. At UCSF, she completed a residency in internal medicine, serving as chief resident, followed by a fellowship in pulmonary and critical care medicine. She also earned a master of advanced study degree in clinical research at UCSF. She joined the UCSF faculty in 2007 and is a member of the UCSF Center for Tobacco Control Research and Education. Dr. Calfee is highly rated in 8 conditions, according to our data. Her clinical expertise encompasses Acute Respiratory Distress Syndrome (ARDS), Sepsis, Pulmonary Edema, COVID-19, and Lung Transplant. Dr. Calfee is board certified in American Board Of Internal Med/Pulmonary Disease, Pulmonary Disease and American Board Of Internal Medicine, Critical Care Medicine. Dr. Calfee is currently accepting new patients.

Michael Levy is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Levy is highly rated in 37 conditions, according to our data. His clinical expertise encompasses Neuromyelitis Optica, Hereditary Pancreatitis, Gastric Lymphoma, Endoscopy, and Gallbladder Removal.