He studied medicine at Columbia University, College of Physicians and Surgeons. He completed his residency training at St. Luke's-Roosevelt Hospital Center and the University of Chicago Medical Center. Areas of particular interest for Dr. McCarthy include consultative cardiology, nuclear cardiology, and nuclear stress test (myocardial perfusion imaging). He accepts Blue Cross/Blue Shield, Coventry, and TRICARE, in addition to other insurance carriers. Dr. McCarthy has received distinctions including Recognized by Suburban Life magazine's "Top Physicians 2010" issue and Recognized in Delaware Valley Consumers' Checkbook 2003 Top Docs issue. He is professionally affiliated with Penn Medicine Institute for Rehabilitation Medicine (Penn Rehab) and Specialty Hospital at Rittenhouse and Hospital of the University of Pennsylvania (HUP).