Dr. William Clark Koonce, MD

Dr. William Koonce is an internist who has dedicated over four decades to practicing internal medicine in the Santa Barbara community. He earned his medical degree from the University of California Irvine College of Medicine and completed his residency training at Santa Barbara Cottage Hospital. With 41 years of clinical experience, Dr. Koonce brings extensive knowledge to the diagnosis and treatment of adult medical conditions. He is fluent in English, Italian, and Spanish, allowing him to serve patients from diverse backgrounds.

Dr. Koonce practices at multiple locations throughout Santa Barbara and maintains affiliations with Santa Barbara Cottage Hospital, Goleta Valley Cottage Hospital, and Saint Johns Regional Medical Center. His clinical expertise includes managing high cholesterol in children and teens, treating high blood pressure, and addressing hyperlipidemia. He performs diagnostic procedures such as electrocardiograms to evaluate heart function and provides therapeutic …treatments including bursa injections for joint-related conditions. Patients have given him an average rating of 4.1 stars on Vitals.