Allergy & Asthma Associates, P.L.L.C.  

Please visit our new website at:


Allergy & Immunology



Care Philosophy

Thanks for visiting Allergy & Asthma Associates' website: Dr. Douglas Barstow and Dr. Thomas Leath. Our practice is committed to providing the highest quality care for our patients. We offer personalized attention in a friendly, courteous environment. Both Dr. Barstow and Dr. Leath are Board Certified by the American Board of Allergy & Immunology.  Dr. Barstow has a secondary Board Certification in Internal Medicine.  Dr. Leath has a secondary Board Certification in Pediatrics.

FYI, NEW PATIENTS: Your paperwork is on the "Patient Education" link to the left. It's at the top of the page under "New Patient Information". Don't bother to register yourself at the right: no patient e-mail or web contact is offered by this facility. Please dial 512-349-0777 to contact us.