On average, patients gave him a rating of 4.5 stars out of 5. These areas are among his clinical interests: knee replacement, shoulder dislocation, and rotator cuff surgery. Dr. Marx is professionally affiliated with Hospital for Special Surgery. Dr. Marx honors Health Insurance Plan of New York (HIP), ConnectiCare, and Blue Cross, as well as other insurance carriers. His practice is open to new patients. He is a graduate of McGill University Faculty of Medicine. He completed his residency training at Toronto General Hospital. Awards and/or distinctions Dr. Marx has received include New York Super Doctors; Best Doctors in New York; and New York Magazine. In addition to English, he speaks French.