Dr. Christopher Crosby is a Diplomate of the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. He is double board-certified in Dermatology and Micrographic Dermatologic Surgery. After graduating from Duke University, Dr. Crosby earned both his M.D. and a Ph.D. in Molecular Cell Biology and Pathobiology from the Medical University of South Carolina in Charleston, SC. He then completed his Internship at Harbor-UCLA Medical Center followed by his Residency in Dermatology at Emory University, where he served as Chief Resident. Following his Residency, Dr. Crosby completed his Fellowship in Mohs Micrographic Surgery and Procedural Dermatology at the University of California, San Francisco. 

Dedicated to lifelong learning and teaching, Dr. Crosby serves as an Assistant Clinical Professor of Dermatology at UCSD. From 2011 to 2025, he also dedicated his time as a Volunteer Attending Physician at the Veterans Affairs Medical Center in San Diego. With deep experience in both basic science and clinical medicine, Dr. Crosby has spent his career translating research into improved health and wellness for his patients.

Dr. Crosby is a Partner at Coastal Skin & Eye Institute with three offices providing comprehensive Dermatology and Ophthalmology services throughout San Diego, California.