Meet Our Providers.


David Thorrez, MD

A graduate of the University of Michigan medical school and St. John's pediatric residency, Dr. Thorrez has devoted over 40 years to the medical care of children and teens. Dr. Thorrez believes that providing medical care for the children of Ypsilanti is God's call on his life, and he has been a trusted and beloved advisor to several generations of families. He is fluent in Spanish and has special interests in asthma and behavioral health.

Debra Boyer, MD

Dr. Boyer graduated from the Ohio State University College of Human Medicine and did her pediatric residency at Hurley Medical Center through Michigan State University. For over 25 years Dr. Boyer has been providing medical care for the children of southeast Michigan in the office and the pediatric emergency room. Dr. Boyer has special interests in nutrition and children with special needs.

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Karla Xavier, MD

Dr. Karla Ferretti C Xavier was a previous pediatrician, pediatric neonatologist, pediatric cardiologist and an expert in pediatric intensive care working in Brazil with many years of experience and moved to US due to her husband working at GM. She completed her Pediatric residency at the University of Toledo in 2019. As a Pediatrician, Dr. Xavier considers it a privilege and obligation to preserve and support the most precious gift we all have, the gift of life. She believes in treating patients using an integrated approach including caring for the physical, mental, cognitive, social and spiritual welfare of the child. Each of us has a particular purpose in this world. She believes it is the role of those who work in the medical field to strive to preserve life so those in their care are able to reach their full potential and complete their mission on earth. 

Jennifer Urabe, CFNP

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