Access Allergy and Immunology - East Texas

Todd Funkhouser

Dr. Funkhouser is a distinguished physician specializing in Allergy, Immunology, and Internal Medicine, providing care to pediatric and adult patients in Las Cruces, NM, and El Paso, TX. A retired Lieutenant Colonel, Dr. Funkhouser brings decades of expertise to his practice, including a history of leadership as Chief of Allergy, Immunology, and Adult Immunization at William Beaumont Army Medical Center (WBAMC). His training includes a prestigious fellowship in Allergy and Immunology at Walter Reed Army Medical Center and the National Institutes of Health, where he gained advanced expertise in immunogenetics and gene regulation.

Education: MD and PhD in Molecular Biology and Biomedical Sciences, University of New Mexico , Internal Medicine Residency, William Beaumont Army Medical Center (WBAMC) , Allergy and Immunology Fellowship, Walter Reed Army Medical Center, National Institutes of Health

Certifications: Board-certified in Internal Medicine and Allergy and Immunology , Board-endorsed by the American Academy of Pediatrics , Fellow of the American College of Allergy, Asthma, and Immunology , Member of the American Academy of Allergy, Asthma, and Immunology

Glenda Cardona

Glenda Cardona is a licensed Physician Assistant with the New Mexico and Texas Medical Boards, specializing in allergy care since 2010. With a deep commitment to improving patient outcomes, she combines her clinical expertise with a personal passion for allergy and asthma management. Glenda serves as the Director of Clinical Operations at Access Allergy, Asthma, and Immunology and is a Clinical Research Sub-Investigator at Western Sky Research, where she works to advance care and treatment for allergy-related conditions. First and foremost, Glenda is a devoted mother to her two children, who inspire her daily and drive her passion for helping others. Her dedication to family and community has shaped her compassionate, patient- centered approach to care. Glenda’s passion for healthcare began early, working in a pediatric clinic while still an undergraduate student. Her connection to allergy and asthma care is deeply personal – her mother suffered from these conditions for many years, enduring numerous ER visits before an allergist helped her to successfully manage them. This experience inspired Glenda to dedicate her career to helping patients achieve similar relief and improve their quality of life. Glenda’s expertise includes managing food allergies, chronic urticaria, asthma, nasal allergies, sinusitis, and immunodeficiency. She is also an active member of Food Allergy Research and Education (FARE) and the American Academy of Physician Assistants (AAPA), where she collaborates with fellow professionals to stay at the forefront of allergy care. A sought-after speaker, Glenda has presented at health fairs, community events, and the University of Texas, where she lectured on food allergies. Passionate about whole-body wellness, she emphasizes exercise and a diet rich in unprocessed, organic foods to enhance overall health. Fluent in English and Spanish, Glenda is dedicated to empowering her patients to achieve their best health, blending her clinical expertise with a compassionate, patient-centered approach.

Education: Physician Assistant Studies, Miami Dade College , Master of Science in Advanced Physician Assistant Studies, A.T. Still University , Licensed by the Texas Medical Board and New Mexico Medical Board , Member of the American College of Allergy, Asthma, and Immunology (ACAAI) , Member of the American Academy of Allergy, Asthma, and Immunology (AAAAI) , Member of the Texas Allergy, Asthma, and Immunology Society (TAAIS)

Ana Serna

Ana Serna is a certified Physician Assistant licensed by the Texas Medical Board and nationally certified by the National Commission on Certification of Physician Assistants (NCCPA). A scientist at heart, Ana is drawn to evidence-based care and the pursuit of understanding the “why” behind medical challenges. While research ignited her passion, she chose healthcare to create meaningful change, help people directly, and serve her community. Ana is deeply committed to El Paso, returning after her education to address health disparities and improve care for underserved populations. She believes in the importance of holistic wellness, treating the whole person and not just their symptoms. Ana’s long-term ambition is to become a naturopath, adopting a total- person approach to care that emphasizes balance, prevention, and wellness. Specializing in Allergy and Immunology, Ana’s personal experiences with allergies and asthma inspire her to help patients improve their quality of life through compassionate care. Her dedication extends beyond local borders: Ana has traveled to rural Guatemala, providing healthcare to indigenous populations through partnerships with UTSW and Refuge International. A proud El Paso native and Socorro Bulldog, Ana enjoys spending her free time with her husband, daughter, and three dogs. Fluent in English and Spanish, she remains committed to her community, blending empathy, expertise, and a vision for a healthier future.

Education: Bachelor of Science in Biological Sciences, University of Texas at El Paso, 2009 , Master of Physician Assistant Studies, UT Southwestern Medical Center, 2019 , Certified by the National Commission on Certification of Physician Assistants (NCCPA) , Licensed by the Texas Medical Board