Lindsay Armstrong
RN, MSN, CPNP-PC

Lindsay Armstrong, MSN, RN, CPNP-PC, was born and raised in North Texas. She earned her Bachelor of Science in Nursing from Baylor University in 2008 and her Master of Science in Nursing from Vanderbilt University in 2009. She has enjoyed working as a Pediatric Nurse Practitioner since 2009. Prior to joining the Pediatricians of Dallas team in 2020, she worked as a pediatric nurse practitioner in Austin as well as a pediatric nephrology nurse practitioner at Children’s Healthcare of Atlanta.

In her free time, Lindsay enjoys traveling, baking, and spending time with her family and friends. She has had the opportunity to serve on several international mission trips and looks forward to volunteering each summer at Camp Independence for children with solid organ transplants.

Jerald Mefferd
MD, FAAP

Dr. Jerald ‘Jay’ Mefferd has lived all over the Southeast, but spent his formative years a little north of Tampa in Florida. He attended the University of South Florida, in Tampa, and received a BS in Economics, working several years in logistics/analytics. Family circumstances prompted him to consider medicine as a calling. He went to Medical School at the University of Mississippi graduating in 2015, as well as completing his residency there in 2018. However, upon completion of his residency, he and his wife, Katie, moved to Dallas and he fell in love with the city. He joined Pediatricians of Dallas in 2022.

He is a member of the Texas and National Chapters of the American Academy of Pediatrics, and is a Board-Certified Fellow in Pediatrics. He was extremely active in leadership positions while in medical school and during residency. Dr. Mefferd enjoys spending time with his wife Katie, who is also a physician whose fellowship in Dermatopathology from 2018 to 2019 at Propath/UTSW was the antecedent for their family moving to Dallas, as well as their son, Christopher. He enjoys sports, college football and soccer, and is an avid reader.

Lisa McCarthy
MSW, LCSW

Lisa McCarthy, MSW, is a Licensed Clinical Social Worker specializing in providing mental health counseling to children, teens, and their families for the past 15 years. Lisa provides individual and family therapy to kids struggling with a wide variety of mental health issues including anxiety, depression, ADHD, adjustment disorders, mood disorders, and challenging life circumstances including divorce, trauma and grief. Lisa is able to provide kids and teens with stress management tools, social skill building techniques, behavioral management tools, and help kids and teens better manage social media, and relationships with their family and friends.

Lisa received her Bachelor’s degree in Psychology from the University of Colorado at Boulder and her Master’s degree in Clinical Social Work from New York University.

Lisa has worked in a variety of therapeutic settings including one of the top ranked adolescent inpatient psychiatry units in the country, The Payne Whitney Clinic at New York Presbyterian Hospital. Lisa utilizes a variety of therapeutic modalities depending on the needs of her clients. Solution-focused, collaborative, and strengths-based counseling are her most frequently used types of therapy. She is also trained in Cognitive-Behavioral Therapy (CBT), and provides group therapy to kids and adolescents.

Lisa is married, and has a daughter in elementary school, and identical twin daughters in preschool. She loves staying active, spending time with family and friends, and traveling back to her home state of beautiful Colorado.

Lisa’s private practice, Empower Growth Counseling, is located at Pediatrician’s of Dallas. For more information, or to schedule a consultation, please visit www.empower-grow.com, call 214-247-6064, or email This email address is being protected from spambots. You need JavaScript enabled to view it..