Areas of expertise for Dr. Ellis include big toe fusion, hammer toe, and ankle fusion. He takes Health Insurance Plan of New York (HIP), ConnectiCare, Blue Cross, and more. Dr. Ellis graduated from Johns Hopkins University School of Medicine and New York University (NYU) School of Medicine. He has received professional recognition including the following: Elected as Member to the American Orthopaedic Association; HSS Foot and Ankle Fellowship Teaching Award, 2016; and AOFAS Goldner Award for best basic science paper submitted to AOFAS Summer Meeting. He speaks Spanish. Dr. Ellis is professionally affiliated with Hospital for Special Surgery. He has an open panel.