About Credentials Dr. Jossart has specialized in endocrine and metabolic diseases since 1993. He is one of the most experienced and highly recommended Laparoscopic surgeons in the country. Read More Articles Learn more about the variety of bariatric procedures from news outlets and other professionals. Read More Facilities Dr. Jossart operates out of two locations; San Francisco & Novato in North Bay. Each of these facilities is chosen for their excellent standards of care, equipment and emergency facilities. Read More