Dr. Donald J. Portocarrero

Dr. Donald J. Portocarrero founded Arcadia Live Oak Medical Spa and owns it. He holds board certifications in internal medicine, obesity medicine and gastroenterology, and speaks English and Spanish. He received a BS in psychobiology from UCLA and a medical degree from Western University of Health Sciences. His internal medicine residency was at White Memorial Medical Center, followed by a fellowship in gastroenterology, hepatology and nutrition at Loma Linda University. Professional affiliations include the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy and the American Board of Obesity Medicine, where he is an active member. His clinical work focuses on endoscopic weight-loss procedures, such as endoscopic sleeve gastroplasty and gastric balloon placement. He has performed more than 10,000 endoscopic procedures over 17 years and is among California's most prominent practitioners of non-surgical weight loss. He has been named a top doctor by LA Magazine (2023), Pasadena Magazine (2023 and 2024) and Castle Connolly (2024 and 2025).