Dr. Joseph Chang is a graduate of Boston University School of Medicine. He completed his residency and chief residency in internal medicine at Fitzsimons Army Medical Center in Aurora, Colorado.  Dr. Chang also completed a fellowship in General Internal Medicine from Columbia University and holds a masters degree in epidemiology from their Mailman School of Public Health. 

Dr. Chang is the Site Medical Director for the West 84th Street Practice of Weill Cornell Medical Associates since 2012.

Dr. Chang previously worked at Columbia University Medical Center where he served as the Assistant Director of the Section of Hospital Medicine and played an active role in the Medical House Staff Training Program.  Dr. Chang has received numerous teaching awards throughout his career including the prestigious Daniel V. Kimberg Memorial Junior Faculty Teaching Award from Columbia University Department of Medicine in 2009.  Dr. Chang also received the Physician of the Year Award from New York Presbyterian Hospital in 2010.  Dr. Chang also served as a Team Physician for the New York Yankees from 2007 to 2012.

Dr. Chang is board certified in internal medicine and is a Fellow of the American College of Physicians.