Dr. Sommerhalder received her medical degree through Ross University School of Medicine and completed her pediatric residency training at The University of Texas Medical Branch. She is board-certified through the American Board of Pediatrics. She served as chief fellow during her fellowship and was assistant chief during her residency. Dr. Sommerhalder offers comprehensive care for both children and adults in the areas of food and environmental allergies, as well as sinus services.

Susan L Andrew, MD graduated from Brown University with a Bachelor of Science degree in Biology. She worked for two years as a research assistant in the Department of Tumor Immunology at the Sidney Farber Cancer Institute in Boston, MA. She then attended medical school at the College of Physicians and Surgeons of Columbia University in New York. Following graduation, she trained in Internal Medicine at Memorial Hospital at the University of North Carolina, Chapel Hill and Baylor College of Medicine, Houston, TX. She completed her fellowship in Allergy and Immunology at Baylor College of Medicine. She entered private practice in Allergy and Immunology in 1988.

Dr. Thompson focuses solely on allergy, sinus and nasal treatment and is considered an expert in all three fields. He is one of a handful of doctors that played an integral role in the development of the cutting-edge sinus procedure, Balloon Sinuplasty.

Ward Prentice, PA-C earned his Bachelor’s degree in Physician Assistant Studies from the University of Texas Medical Branch, Galveston, Texas. Previously he earned his Bachelor’s degree in Business Management from Texas Tech University. He is a certified Physician Assistant by the National Commission on Certification of Physician Assistants.

Chandra McDonald, PA-C attended the University of Colorado in Denver for her Physician Assistant studies and lived in Colorado for 12 years before moving to Katy, TX with her family in 2016. Before joining the Aspire Allergy & Sinus team, Chandra worked for seven years in Urgent Care and Emergency Medicine, where among other things she treated many patients for allergy-related conditions. Chandra is a sports fanatic and loves to be outside as much as possible.

Katie Larson, PA-C, graduated at the top of her class from Baylor College of Medicine with a Master of Science in Physician Assistant Studies. Katie also holds a master’s degree in teaching and was an elementary school teacher before becoming a PA.