Addiction Toxicology Case Conference - September 2026

Dr. Tim Wiegand is the Director of Toxicology Consults and President of CMO Medicine and Toxicology & Addiction Consulting. Board-certified in both Medical Toxicology and Addiction Medicine, Dr. Wiegand specializes in Addiction Toxicology, combining clinical practice with research, teaching, and leadership roles. He has served two terms on the Board of Directors for the American College of Medical Toxicology (ACMT) and is currently on the Board of Directors for the American Society of Addiction Medicine (ASAM). From 2023-2025, he served as Treasurer of ASAM, having previously served as Vice President on the Executive Council. From 2025-2027, Dr. Wiegand will serve as ASAM President Elect and then ASAM President (2027-2029). Dr. Wiegand founded and led the Toxicology Service at URMC until 2022, when he transitioned to Director of Addiction Medicine and Director of Addiction Medicine Consults in the Department of Emergency Medicine. He also serves as Fellowship Director for the URMC Combined Addiction Medicine Fellowship and is leading efforts to launch the URMC Medical Toxicology Fellowship, which is expected to be formally accredited by July 2023.

Dr. Nikolaides is an Associate Professor in the Department of Emergency Medicine with a dual appointment in the Department of Psychiatry at Rush University Medical Center.  She is board certified in Emergency Medicine, Medical Toxicology and Addiction Medicine.  She is a graduate of Northwestern Medical School, getting both her MD and a Masters in Medical Humanities and Bioethics.  She completed her residency in Emergency Medicine at SUNY Buffalo and her fellowship in Medical Toxicology at University of Illinois / Cook County Hospital (Toxikon Consortium).  She completed an additional International Research Fellowship in Toxicology at the University of Edinburgh in Scotland prior to joining Rush. She now serves as the Director of Medical Toxicology, and the Director of Rush’s Substance Use Intervention Team.

Dr. Temple is an emergency medicine physician and medical toxicologist at Oregon Health & Science University and the Oregon Poison Center. She received her medical degree from the University of Massachusetts Medical School, completed her emergency medicine residency at the University of Massachusetts, and completed her Medical Toxicology Fellowship at Oregon Health & Science University. She is board-certified in emergency medicine and medical toxicology.

She serves as Assistant Program Director for the OHSU Medical Toxicology Fellowship and Assistant Medical Director of the Oregon Poison Center. She was the inaugural recipient of the ACMT Charles E. Becker Medal for outstanding achievement in medical toxicology. Her academic interests include emerging drugs of abuse, natural toxins, and innovative approaches to toxicology education.

Dr. Joseph Beck received his medical degree from Chicago Medical School.  He completed a combined residency in Internal Medicine and Psychiatry at Rush University Medical Center.  He served as Chairman of Psychiatry at Mercy Hospital and as Chairman of Psychiatry at Ingalls Memorial Hospital before returning to Rush.  He is currently Division Chief, Hospital Psychiatry and Vice Chair for Clinical Affairs in the Department of Psychiatry and Behavioral Sciences at Rush University Medical Center.

Dr. Beck is board certified in internal medicine, psychiatry, addiction psychiatry, addiction medicine, and pain medicine.