Howard M. Zinman MD
Dr. Zinman graduated from Queen’s University in Kingston, Ontario, Canada with a Bachelor of Science in 1976 and completed a combined MD and Master’s degree (Physiology) at Queen’s in 1984. He completed his Pediatric Residency at the Hospital for Sick Children in Toronto in 1988.
Dr. Zinman is board certified in pediatrics in Canada (FRCP-C) and the US and is a Fellow of the American Academy of Pediatrics (FAAP). He practiced in Toronto for 10 years prior coming to the Worcester area. Dr. Zinman teamed up with Dr. Arnold Gurwitz until Dr. Gurwitz retired in 2000.
Dr. Zinman is married with two daughters.

Amy P. Luiso CPNP
Amy Luiso, CPNP joined Dr. Zinman in 2009. She received her Bachelor of Science in Nursing from St. Anselm College in 1989. She started working at Children’s Hospital in Boston in 1989 as a staff nurse as a nurse educator in 1993 .She completed her Masters of Science (Nurse Practitioner, Pediatric Ambulatory Care Program) at Boston College in 1994 and worked at Woburn Pediatrics (1994-2001) and Westwood Pediatrics (2002-2008) prior to joining Dr. Zinman in 2009. Amy Luiso is married with three daughters.

Christina Stille, RN, MS, CPNP
Christi Stille has 10+ years of experience as a Certified Pediatric Nurse Practitioner. She started her career as a pediatric nurse at Children’s Hospital of Philadelphia after graduating from the University of Pennsylvania in 1992. Christi worked at Boston Medical Center’s Pediatric Emergency Department for several years while working to complete graduate work. Christi has functioned in the PNP role at Tri-River Pediatrics in Uxbridge since graduating from Boston College with a MS in Nursing in 1999. Christi lives in Boylston with her husband of twenty years, three sons, and two dogs.