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Our Providers

Our providers believe in giving the best possible care and will go above and beyond to prioritize your medical needs.

John Meiser, M.D., P.A.

John Meiser

M.D.

Dr. Meiser has specialized in allergy, asthma, and immunology since 2001, and is certified by the American Board of Allergy and Immunology. He grew up in Austin and received his Bachelor of Business Administration degree in Finance from the University of Texas at Austin. Dr. Meiser graduated from medical school and completed his combined Internal Medicine/Pediatrics residency at The University of Texas Houston Medical School. He completed his allergy and immunology fellowship training at the National Jewish Medical and Research Center in Denver. He has served as a reviewer for the Annals of Allergy, Asthma and Immunology since 2006. Dr. Meiser focuses his attention on finding the best individualized treatment plan for each patient. Dr. Meiser and his family live in Frisco and attend church in Richardson. His interests include running, soccer, tennis and fishing.

Daniel Har

M.D.

Dr. Har was born and raised in New York. He graduated from Johns Hopkins University and attended medical school at Albert Einstein College of Medicine in New York. He then moved to Dallas to complete both his residency and fellowship training at UT-Southwestern. He remains actively involved at UT-Southwestern as a clinical instructor, and enjoys teaching medical students, residents and fellows. In addition, he has been published in a number of academic journals and has presented his work at multiple national meetings. Most importantly, however, Dr. Har focuses on building relationships with families and providing personal care to both adults and children. In his spare time, Dr. Har enjoys playing sports, traveling, and spending time with his family and friends.

Kisha Long

PA-C, Physician Assistant

Kisha is a physician assistant who has specialized in allergy and asthma for the past 7+ years. She is a native of the Texas/Oklahoma area and completed her undergraduate education at East Central University in Ada, Oklahoma. She then received her Master's degree in Physician Assistant Studies at the University of Texas Southwestern Medical Center in Dallas. Kisha joined Dr. Meiser here at the Allergy and Asthma Center of Texas in 2011. Kisha loves getting to know her patients and working to provide them with the education and tools necessary to manage their conditions. She has a passion for asthma education and food allergy management/ awareness. She takes pride in staying up on current guidelines and practice parameters in order to provide her patients with the best care possible. She is married to her high-school sweetheart and has 2 children. In her spare time she loves spending time with her family, shopping, decorating and is active in their church.

Cynthia "Eron" Noble

PA-C, Physician Assistant

Eron was raised in Dallas and received her undergraduate degree in Psychology at Stanford University. She completed her Master's degree in Physician Assistant Studies at the University of Texas Southwestern Medical Center in Dallas. She joined the AACT team in 2016, and enjoys her role working with patients and caring for their allergy, asthma, and immunology needs. She is passionate about educating and equipping her patients to help them achieve optimal control of their health. Eron enjoys spending quality time with her husband and son as well as watching movies, reading, and cooking.

Our goal is to provide exceptional care to you and your family.