Dr. Allen Jay
Dr. Allen Jay serves as the Medical Director of SOBOBA Medical Group. A board-qualified internist, he has been practicing medicine in Orange County, California, since 1982. He has focused exclusively on weight loss and nutritional medicine, bringing decades of clinical experience to personalized weight management.
With his extensive background in internal medicine, Dr. Jay takes a comprehensive, health-focused approach to weight loss. He believes that successful weight management should support overall health and long-term well-being, not simply focus on numbers on a scale. His approach emphasizes informed medical guidance, patient safety, and evidence-based strategies tailored to individual needs.
Fellow physicians also trust Dr. Jay and refer patients to his practice for medically guided weight management. These referrals reflect the importance of a thoughtful, professional approach to weight loss—one that prioritizes safety, proven methods, and sustainable results over unverified diets or quick fixes.
Dr. Bijan Mashouf
Your health journey deserves personalized medical guidance, compassionate support, and a focus on lasting wellness. At Soboba Weight Loss, Dr. Bijan Mashouf works with patients to help them better understand how nutrition, fitness, and overall health connect. His approach emphasizes building sustainable lifestyle habits that support individual health and weight-management goals.
Dr. Mashouf is a board-certified physician who has been with Soboba since 2012. With a special interest in nutrition and fitness, he is passionate about helping patients make informed health decisions and develop practical strategies for healthier living.
Through his medical expertise and interest in lifestyle-focused care, Dr. Mashouf encourages patients to take an active role in their wellness journey. He recognizes that every patient has unique needs and goals, and he emphasizes the value of consistent, achievable changes in nutrition and physical activity.
At Soboba Weight Loss, Dr. Mashouf supports patients as they work toward their personal health goals, develop healthier routines, and build a foundation for long-term well-being.
* Disclaimer: Results may vary from person to person. This website does not provide medical advice.These statements have not been evaluated by the Food and Drug Administration. SOBOBA Medical Weight loss program is not intended to diagnose, treat, cure or prevent any disease.

