4 Allergy, Asthma & Immunology of the Rockies, PC. Did you know that 9 out of 10 patients who report penicillin allergy may be tolerant when assessed by penicillin allergy testing? If you would like to know if you are penicillin allergic, please contact our office for an appointment Met Your Deductible? As we approach the end of the year, this could be an excellent time to come in for allergy and asthma care. Start your allergy shots in preparation for the spring time! Call Today 970-947-0600 Glenwood Springs | Avon | Eagle | Basalt | Aspen Robert McDermott, MD I Regan Pyle, DO