Our Practice

The Allergy and Asthma Associates of Pittsburgh have been providing allergy care for the citizens of the tri-state area for 80 years.  The practice was founded by Dr. Mayer Green  and its tradition has been continued by Drs. Richard Green, Andrew Vayonis and Thomas Mertz.  The practice has been recognized locally as well as nationally and internationally for the high quality of care provided to our patients.  It is our desire to continue to provide you with the finest allergy care available.

Our Doctors

RICHARD L. GREEN, M.D., FAAAAI : Swarthmore College B.A.; Duke University School of Medicine M.D.; Postgraduate  training in Internal Medicine at University Hospitals of Cleveland and in Allergy and Clinical Immunology at University of Michigan; Lieutenant Commander in U.S. Public Health Services at Centers for Disease Control in Atlanta; Past President Pittsburgh Allergy Society and Pennsylvania Allergy and Asthma Association; Former co-chairman of Practice Standards Committee of American College of Allergy, Asthma, and Immunology; former Editorial Board of Annals of Allergy; former chief of Allergy at Shadyside Hospital Pittsburgh; Clinical Associate Professor Department of Internal Medicine University of Pittsburgh School of Medicine.  Has authored numerous articles in the fields of Allergy and Immunology.  Board Certified Allergy and Clinical Immunology and Internal Medicine.

ANDREW G. VAYONIS, M.D., FACP, FAAAAI: Pennsylvania State University B.S.; Pennsylvania State University College of Medicine-Hershey Medical Center M.D.; Postgraduate training in Internal Medicine at Presbyterian University Hospital Pittsburgh; Fellowship in Allergy and Clinical Immunology at Children's Hospital of Pittsburgh; former member Board of Regents of Pennsylvania Allergy and Asthma Association.  Clinical Instructor in the Department of Medicine University of Pittsburgh Medical Center.  Has authored numerous articles in the fields of Allergy and Immunology.  Board Certified Allergy and Clinical Immunology and Internal Medicine.

THOMAS L. MERTZ, D.O., PharmD., FACAAI, FAAAAI; West Virginia University B.S. Pharmacy and B.A. Biology; West Virginia University PharmD.; Lake Erie College of Osteopathic Medicine (LECOM) D.O.; postgraduate training in Pediatrics and Internal Medicine at University of Connecticut Health Center; Fellowship in Allergy and Clinical Immunology at Pennsylvania State University-Hershey Medical Center; Has authored numerous articles in the fields of Allergy and Immunology.  Board Certified Allergy and Clinical Immunology, Internal Medicine and Pediatrics.