Dr. Deanna Lee Oliver, MD

Dr. Deanna Oliver is a gastroenterologist with expertise in internal medicine and hospital medicine. She earned her medical degree from the American University of the Caribbean School of Medicine and completed her residency at UCSF Medical Center. With 14 years of experience, Dr. Oliver brings extensive knowledge to treating digestive and liver conditions.

Dr. Oliver practices at multiple locations across Southern California, including Coronado, El Centro, Escondido, Chula Vista, and San Clemente. She has hospital affiliations with Sharp Coronado Hospital, El Centro Regional Medical Center, Palomar Medical Center, Scripps Mercy Hospital Chula Vista, and Sharp Chula Vista Medical Center. Her clinical focus includes treating nonalcoholic fatty liver disease and managing high cholesterol in children and teens. She performs essential diagnostic procedures such as colonoscopies and upper gastrointestinal endoscopies to help patients maintain optimal digestive health.