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Photo of Maria Perez-Johnson DO

Maria Perez-Johnson DO

Pediatric Emergency Medicine


Dr. Maria Perez-Johnson is a board certified pediatrician.  She was born in Kingsville, Texas, and graduated from Bishop High School in Bishop, Texas (a small town with a population of around 3000).  She graduated from Texas A&M University-Kingsville, with a major in biology and a minor in chemistry. She joined the Ronald E. McNair Scholars program as an undergraduate student and conducted research at the National Natural Toxins Research Center.  Her undergraduate research involved isolating proteins from snake venom for potential biomedical applications. She also did a summer internship at Texas A&M University – College Station where she isolated proteins from fungi in order to develop specific isolate proteins that would aid in other biomedical applications.

She graduated magna cum laude in 1997 and following graduation began her studies at the University of Health Science Center, Texas College of Osteopathic Medicine in Fort Worth, Texas. She completed her pediatric residency at Texas A&M University, Driscoll Children’s Hospital. She is board certified in pediatrics and has practiced pediatric emergency medicine at Driscoll Children’s Hospital, Edinburg Children’s Hospital, Children’s Hospital of San Antonio, Dayton Children’s Hospital in Ohio, and Sunrise Children’s Hospital in Las Vegas, Nevada. She has served as the pediatric department chair at Driscoll Children’s Hospital as well as worked on numerous committees at various institutions to focus on the health of the children of South Texas. She has been a pediatric faculty member at the University of Texas Medical Branch at Galveston, Texas, A&M University Medical School and is currently teaching faculty at Baylor College of Medicine through the pediatric residency program at Children’s Hospital in Santa Rosa.

Dr. Perez-Johnson has been happily married for over 30 years and has two adult children. She spends her free time traveling with her family and taking walks with her bulldog, Zeus. She also is a co-author in “The Chronicles of Women in White Coats”.

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