Our Physicians

Chelsea Castillo, DO

Dr. Chelsea Castillo considers herself a native of San Antonio (Go Spurs Go!), though she spent most of her childhood in Houston. By the age of six, she had her sights set on becoming a “kids’ doctor.”

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Accepting Limted Transfers
Jonathan D. Crews, MD, MS, FAAP
Board Certified Pediatrician

Dr. Jonathan Crews grew up in the Dallas-Fort Worth area (back in the heyday of the Dallas Cowboys!). Pediatric medicine captured his interest early as he saw both his uncle and grandfather care for their pediatric patients in Odessa, Texas.

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Not Accepting New Patients
John T. Fitch, Jr., MD, FAAP
Board Certified Pediatrician

A San Antonio native, Dr. Fitch grew up knowing that he always wanted to be a pediatrician. The joy of working with kids as a camp counselor combined with being the son of respected Pediatrician, Dr. J. Thomas Fitch, Sr. sealed his calling.

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Not Accepting New Patients
John T. Gibson, MD, FAAP
Board Certified Pediatrician

Dr. Gibson, a native Texan raised in Georgetown, has always been drawn to working with children. As a high school student, he began volunteering at kids’ camps and leading school clubs.

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Accepting First Newborns and Military Transfers
Joshua C. Tardy, MD, MBA, FAAP
Board Certified Pediatrician

Dr. Tardy was born in Michigan, but lived in Edmond, Oklahoma for most of his childhood. He has said he’d always had a clear calling to become a pediatrician.

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Not Accepting New Patients


Heritage Pediatrics Group Photo