Dr. Michael O'Shea has been practicing podiatric medicine for over 30 years and sees patients at both his private practice in Hacienda Heights and Arrowhead Orthopaedics in Lake Arrowhead. Dr. O'Shea specializes in diabetic complications and complex foot and ankle cases. Dr. O'Shea is also a teacher, working with new residents at Presbyterian Hospital, and is an associate professor at Western University.

Dr. O'Shea completed his studies at the California College of Podiatric Medicine in San Francisco and his surgical residency at Southern California Podiatric Medical Center, LAC-USC Medical Center University of Southern California. He did his undergraduate work in biochemistry at the University of California, Irvine.