Boston Sports & Shoulder Center, Shoulder Surgeon, Shoulder Surgery, Boston, Waltham, Dedham, MA | Physicians | Mark P. Slovenkai, MD Mark P. Slovenkai, MD Dr. Slovenkai is Chief of Orthopaedic Foot and Ankle Surgery at New England Baptist Hospital, and is an active faculty member of the American Orthopaedic Foot and Ankle Society (AOFAS)..