


William R. McKenna, M.D., P.A.
William R. McKenna, MD started his private medical practice in Allergy, Asthma and Immunology in the Rio Grande Valley (RGV), […]
Allergy and Asthma Clinic
William R. McKenna, MD started his private medical practice in Allergy, Asthma and Immunology in the Rio Grande Valley (RGV), […]
MCKENNA ALLERGY & ASTHMA CLINIC IS COMMITTED TO THE HEALTH AND WELL-BEING OF OUR PATIENTS. DUE TO THE COVID-19 PANDEMIC ….. APPOINTMENTS ARE REQUIRED FOR ALL VISITS AND ALLERGY SHOTS. ****NO EXCEPTIONS****