Dr. Winkelman has a 4.5 out of 5 star average patient rating. These areas are among his clinical interests: newborn care, mole removal, and attention deficit disorder (ADD/ADHD). He is affiliated with St. Joseph Heritage Medical Group, Children's Hospital of Orange County (CHOC Children's), and St. Joseph Hospital (Orange, CA). Dr. Winkelman accepts Blue Cross/Blue Shield, Medi-Cal, and Secure Horizons, as well as other insurance carriers. He studied medicine at New York Medical College. In addition to English, he speaks Spanish.