3 Best Allergists & Immunologists in Houston, TX

"Dr. Patricia A. Leonard obtained her medical degree from the National University of Ireland Galway School of Medicine in 1996 and completed her residency at the University Of Texas Health System. She holds certifications in Allergy & Immunology and Internal Medicine. She is board-certified in Allergy and Immunology. Her expertise lies in the diagnosis and treatment of various allergic conditions, including Asthma, Nasal Allergies, and Allergic Skin Disorders. She assesses insect, drug, and food allergies. Dr. Patricia A. Leonard has authored numerous research articles on the subject of allergy and immunology. She is associated with Allergy, Sinus, Asthma Professionals, PLLC, as well as Southwest Asthma and Allergy Associates.

"Dr. Christopher Collaco completed his medical degree from the University of Texas Medical Branch in Galveston. He did his Residency in Internal Medicine at the University of Texas Health Science Center in Houston. Dr. Christopher Collaco also completed his Allergy and Immunology Fellowship training, specializing in Adult and Pediatric Asthma, Allergy, and Immunology. He has membership in many associations, such as a member of the Texas Asthma, Allergy and Immunology Society, the Greater Houston Asthma, Allergy and Immunology Society, and the South Texas Independent Allergists. He treats all the allergic and immune disorders. Dr. Christopher Collaco is a well-trained immunologist who served as a staff member at MD Anderson Cancer Center in the Department of General Internal Medicine. He is the director of the Advanced Allergy and Asthma Center.

"Dr. Doanh Nguyen finished his medical degree from the University of Texas Medical School in Houston in 2007. He completed his internship and residency in internal medicine at University Hospitals, Case Western Reserve University in Cleveland, Ohio, followed by fellowship training in the Division of Allergy, Immunology, and Rheumatology (Pediatrics) at All Children’s Hospital/Johns Hopkins Medicine, University of South Florida in St. Petersburg, Florida. Dr. Doanh Nguyen takes care of both children and adults. He is particularly passionate about treating patients with severe eczema, asthma, hives, and primary immunodeficiency, helping to improve their quality of life. He also published many research works. Dr. Doanh Nguyen is practicing in the Texas Allergy Group.