Peter S. Marshall MD, MPH

Peter S. Marshall, MD, MPH, completed his medical training at the University of Connecticut in 1995 and then completed a residency in internal medicine in 1998 at Yale-New Haven Hospital (YNHH). During his Pulmonary and Critical Care Fellowship (2002–2005) at the Yale School of Medicine, Dr. Marshall earned a Master of Public Health in chronic disease epidemiology.

After completing his Pulmonary and Critical Care Fellowship, Dr. Marshall went into practice for 3 years with Pulmonary Associates of Lehigh Valley Health Network (LVHN), caring for critically ill patients in med-surg, neuro, cardiac and trauma intensive care units. In addition, he was a member of the tele-intensive care unit staff of the LVHN Advanced ICU. During his time at Pulmonary Associates of LVHN, Dr. Marshall was the Medical Director of Respiratory Care and a member of the LVHN institutional review board.

In 2008, Dr. Marshall returned to Yale as an Assistant Professor. His central duties were in the care of medical ICU patients, with some critical consultation in other specialty ICUs. In 2011, Dr. Marshall was appointed the Medical Director of Respiratory Care and remained in this role until May 2019. His other roles at Yale School of Medicine included the Medical Directorships of the Medical Step-Down Unit, InSight Tele-ICU, and the Associate Directorship of the Medical ICU.

Dr. Marshall joined the faculty of the Keck hospital of USC in June 2019 as the Vice Chief for Medical Critical Care. He was formerly on the Board of Directors of the National Association for the Direction of Respiratory Care (NAMDRC) and currently serves as a board member on the National Board of Respiratory Care (NBRC).

Dr. Marshall’s research (and clinical) interests are in ICU outcomes and management of pulmonary embolism. He also has a clinical interest in Tele-ICU medicine. Throughout his career, Dr. Marshall has been a partner in the practice of respiratory care.