Thai V. Hoang, MD


Dr. Thai V. Hoang is a pediatric board certified pediatrician and was originally from Vietnam and immigrated to the Untied States in 1979.  He grew up in El Paso Texas and completed his undergraduate degree at the University of Texas at El Paso.  He earned his Doctorate of Medicine Degree from the University of Texas Health Science Center at Houston and completed his pediatrics residency training at the University of Texas Medical Branch at Galveston Children’s Hospital.  During his residency he served as the chief resident for his pediatrics residency program.  Dr. Hoang successfully established Stonebriar Pediatrics, P.A. in Frisco in 2003.  He Lives With His Wife Yen Tran and Their Four Children, Vi-Anh, Mi-Lan, Ai-Vy, and Vinh-Son.

Rochelle Hartmann, MPAS, PA-C, RD

Rochelle Hartmann, MPAS, PA-C, RD

Rochelle Hartmann, MPAS, PA-C, RD is a board certified physician assistant originally from Louisiana but grew up in North Texas. She completed her undergraduate degree in nutrition at the University of Texas in Austin. She then earned her certificate of clinical dietetics from UT Southwestern. She worked as a pediatric registered dietitian for 6 years before moving to Charlotte, North Carolina to pursue her masters in physician assistant studies from Wingate University. Rochelle and her husband have 2 small kids that keep them very busy! Rochelle loves sports (go Rangers, Cowboys, and Longhorns!), live music, cooking, and spending time with her family on the lake.

Becky Wischnewsky, CPNP

Rebecca, RN

Becky Wischnewsky, CPNP is a board certified pediatric nurse practitioner and a native Texan. She completed her bachelor of science in nursing through Texas Tech University and worked as an RN in the pediatric ICU and neonatal ICU for 5 years before returning to Texas Tech to complete her Masters of Science in Nursing. Becky and her husband Brant have two little ones, Brayden and Aubrey, who keep them on their toes. In her free time, Becky enjoys going on adventures with her family, going fishing, and cheering on the Texans, Astros and Red Raiders!