Stephen Chakmakjian, MD
20160718090810

Dr. Chakmakjian has been practicing pediatrics in Waco since 2003. Most people call him “Dr. Chak.”   He is happily married to his wife Jennifer for over seventeen years.  They have boy-girl twins who are currently in 8th grade, as well as a son in 2nd grade.   He grew up in Dallas, and then graduated magna…

Billy Nesmith, MD
20160718090609

Dr. Nesmith arrived in Waco in 2003 after completing medical school and residency in San Antonio.   Heart of Texas Pediatrics opened its doors in 2004 and has been growing ever since.   He is married to wife Kim for 20 years with two children ages 14 and 10, both in Midway ISD.    Outside of work he…

Catherine Conner, MD
20160718090426

Dr. Conner has been practicing pediatrics in Waco since 2010 after completing medical school and residency in Galveston in 2008.  She is married to her husband, Chad, for over 13 years.  They have four children ages 9, 7, 5, and 4.  She grew up in Jacksonville, TX and then graduated cum laude from Texas A&M…

Brian Barkley, MD
20160718090244

Dr. Barkley is a native of Waco and a graduate of Midway High School.After pursuing a career in professional baseball, he returned to Waco to complete his undergraduate degree at Baylor University, graduating cum laude and Phi Beta Kappa. He completed medical school at the University of North Texas Health Science Center in Fort Worth…

Joslyn Horn, CPNP
20160718090008

Joslyn Horn is a Pediatric Nurse Practitioner that joined Heart of Texas Pediatrics in 2008 after completing graduate school at Texas Women’s University. She grew up in Waco and then graduated summa cum laude with a B.S. from Texas Tech University in 2003. She has been married to her husband, Dustin, for 11 years and…