Daniel J Slack, MD

Daniel Slack, MD is an Assistant Professor in the Division of Endocrinology, Diabetes, and Bone Disease. Dr. Slack joined the faculty in 2024 after completing his residency training in Internal Medicine, where he also served as chief resident, and his fellowship training in Endocrinology at the Icahn School of Medicine at Mount Sinai. His clinical interests include gender-affirming care and reproductive health, thyroid, parathyroid, pituitary, adrenal, metabolic bone disease, obesity, and diabetes. He has conducted research related to the safe and effective provisioning of gender-affirming hormone therapy and has published his work in peer-reviewed journals and presented his work at multiple international conferences. Dr. Slack is also dedicated to improving efficiency, patient safety, and clinical outcomes, currently working as the Quality Improvement Lead for the Center for Transgender Medicine and Surgery (CTMS).