Dr. McNicholas is Assistant Professor of Medicine in the Division of Occupational and Environmental
Medicine. He completed medical school at the Lake Erie College of Osteopathic Medicine and
residencies in Internal Medicine at the Naval Medical Center San Diego and in Occupational and
Environmental Medicine at UCSF. He is a US Navy Veteran who served as the sole Naval Flight Surgeon
at Diego Garcia, British Indian Ocean Territory. Following training, Dr. McNicholas served as Staff
Internist at the Naval Aerospace Medical Institute in Pensacola, FL where he was also a core faculty
member of the Residency in Aerospace Medicine, receiving the Jay Phelan Faculty Instructor of the Year
Award shortly before matriculating to UCSF. He received a National Institute of Occupational Safety and
Health Targeted Research Training in Occupational Health grant in 2021 and was recently awarded the
M. Donald Whorton Writing award by the Northern California Center for Occupational and
Environmental Health at UC Berkeley.