Dr. Alexander Neuwirth is an orthopedic surgeon specializing in advanced hip and knee reconstruction, with a focus on non-operative and surgical treatment of early, middle, and late-stage arthritic conditions of the hip and knee. For patients requiring surgical intervention, Dr. Neuwirth specializes in anterior approach hip replacement, knee replacements, as well as complex revision surgeries to treat failed hip and knee replacements.

Dr. Neuwirth received his medical degree from Rutgers University-Robert Wood Johnson Medical School, where he also completed his undergraduate degree. Following medical school, Dr. Neuwirth trained as a resident in orthopedic surgery at the University of Pennsylvania, where he also spent a year as a postdoctoral research fellowship in the McKay Orthopaedic Research Laboratory. Before joining the faculty at Columbia as an attending physician, Dr. Neuwirth completed a fellowship in adult hip and knee reconstruction at Columbia University Irving Medical Center.

In addition to his clinical practice, Dr. Neuwirth is actively engaged in ongoing clinical outcomes research in the field of joint replacement and reconstruction. His primary research efforts are focused on the eradication of infection following hip and knee replacements.