is a senior medical advisor to Quest Diagnostics and its Drug Monitoring and Toxicology services arm and faculty member at the University of Miami Miller School of Medicine in the Department of Anesthesiology, Perioperative Medicine and Pain Management. Board certified in pain medicine, anesthesiology, addiction medicine and hospice/palliative medicine, Dr. Gudin is a renowned expert in pain management and opioid and prescription drug misuse and use disorders.