Signature Medicine offers primary care, concierge medicine, and medical weight loss solutions tailored to individual health needs and goals. Dr. Ashish Sitapara is a well-renowned primary care doctor who has been recognized as a top doctor in the Philadelphia area, with a focus on holistic therapy, prevention, and nutrition. The concierge medicine model means that the office serves a limited number of patients to allow 24/7 personal access to treatment and consulting. Weight loss programs are custom built for each patient, and treatment may include Optifast meal replacement products, weight loss medications, and medical supervision.