Main Campus: Chesterfield, MO 63017 | 
Karen Chang-Chen, MD, is a board-certified endocrinologist at Endocrine Associates. Dr. Chang-Chen earned her medical degree at Stony Brook University School of Medicine and completed her residency and fellowship at Washington University School of Medicine in St. Louis.
She treats a variety of endocrine conditions including diabetes, thyroid disease, osteoporosis, adrenal and pituitary disorders, as well as polycystic ovarian syndrome. Dr. Chang-Chen is committed to helping her patients achieve a high quality of life while managing their chronic medical conditions. She works individually with patients to balance the medication needed with lifestyle and preventative wellness measures they can take to see results in their daily life. She believes in a multi-disciplinary approach to healthcare and works closely with a patient’s other physicians to ensure comprehensive treatment and care.
Denotes a St. Luke's Medical Group Physician