Jennifer Mammen, M.D., Ph.D.., instructor in endocrinology, is a member the Division of Endocrinology at Johns Hopkins Bayview. Board-certified in internal medicine and endocrinology/metabolism, Dr. Mammen practices general endocrinology with a focus on thyroid, adrenal and pituitary disorders. She is actively engaged in research into the mechanisms of autoimmune endocrine disorders. MD, Johns Hopkins University School of Medicine (2004)