Dr. O’Connor joined the practice in 1999. He received his undergraduate degree from the University of Massachusetts at Amherst and his medical degree from the University of Massachusetts medical school. He completed his residency at the University of Connecticut at Connecticut Children’s Medical Center.

Since 2003, he has been the medical director of Cheshire public schools and has given the growth and development lectures for all fourth and fifth grade boys in Cheshire public schools. He has lived in Cheshire since 1999 with his wife and five children.