J. Nazarian, MD. Dr. Nazarian is backed by more than 20 years of experience in the bariatric surgery. He works with his patients on a one-on-one basis and provides the best individual service. We accept most insurance and PPO plans and take care of all the paperwork for you. Visit us today for information regarding the financing options available to you. Our office is conveniently located on Wilshire Boulevard in Beverly Hills.