National Grand Rounds - October 2025

Dr. Brent Wagner is a board-certified specialist in Internal Medicine and Nephrology, with a distinguished career in clinical care, research, and medical education. A native of New Mexico, he earned his undergraduate, graduate, and medical degrees from the University of New Mexico, and completed his residency on the ABIM Research Investigator Pathway at the University of Texas Health System. He previously served as Clinical Nephrology Fellowship Program Director and staff nephrologist at the Audie Murphy Memorial VA Hospital, and became a tenured Associate Professor in 2017. In 2018, he returned to Albuquerque to lead the Renal Section at the New Mexico VA Health Care System and direct the Kidney Institute of New Mexico. An internationally recognized expert in nephrogenic systemic fibrosis, gadolinium retention, and nanotoxicology, Dr. Wagner’s pioneering research has advanced understanding of the molecular and cellular effects of MRI contrast agents.

Dr. Nicholas Nacca is the director of Medical Toxicology and Medical Toxicology Fellowship Director at the University of Rochester Medical Center. In addition to being faculty member in the Department of Emergency Medicine he holds a secondary appointment in the Department of Environmental Medicine. His primary role is staffing the educational and clinical medical toxicology consultation service, with educational responsibilities to medical toxicology fellows, multidisciplinary teams of medical residents, pharmacy residents and students, as well as medical students. He staffs and directs a referral based outpatient Medical Toxicology Clinic.