As CMO at AmeriHealth Caritas, Dr. Gelzer is responsible for overseeing the medical management strategy, medical policy development, quality management, corporate provider network strategy and medical informatics for all AmeriHealth Caritas health plans.
Before joining AmeriHealth Caritas, Dr. Gelzer served as the Chief Medical Officer for Boston Medical Center HealthNet Plan, a managed care plan providing coverage for Medicaid and other low-income residents in Massachusetts. Dr. Gelzer also served in multiple roles, including Senior Vice President Clinical Public Affairs at CIGNA Corporation, and for 16 years worked in private practice in Internal Medicine.
Dr. Gelzer currently serves on the Agency for Healthcare Research and Quality’s National Advisory Council for Healthcare Research and Quality, Center for Medicaid and CHIP Services Expert Panel on Maternal Health, and March of Dimes National Public Policy Council. She has previously served on numerous boards, including eHealth Connecticut and as a Commissioner for the Certification Commission for Healthcare Information Technology and a liaison representative to the Centers for Disease Control Advisory Committee on Immunization Practices. She is also a member of the National Quality Forum’s Cost and Resource Use Steering Committee and the Perinatal Care and Reproductive Health Steering Committee as well as America’s Health Insurance Plans Chief Medical Officer’s Leadership Council.
Dr. Gelzer earned her undergraduate degree from Tufts University and her doctor of medicine degree from St. George's University. She also received a master of science degree in preventive medicine/administrative medicine at the University of Wisconsin Madison. She is board certified by the American Board of Internal Medicine and is a Fellow of the American College of Physicians.