Advanced Allergy, Immunology & Asthma, P.C’s Office Information


Advanced Allergy, Immunology & Asthma, P.C.
106 Noroton Avenue, Suite 101
Darien, CT 06820
Phone: 203-655-9904
Fax: 203-656-1416


Monday: 7:30 am – 5:00 pm
Tuesday: 7:30 am – 5:00 pm
Wednesday: 7:30 am – 5:00 pm
Thursday: 7:30 am – 5:00 pm
Friday: CLOSED
Saturday: CLOSED
Sunday: CLOSED

Our office is CLOSED in observance of the following holidays 2023

Memorial Day 5/29
Independence Day 7/4
Labor Day 9/4
Thanksgiving 11/23
Christmas 12/25
New Years Day 1/1/2024

Phones go to the Emergency after-hour service after 4:30 pm.

Allergy patients please arrive no later than 15 minutes prior to closing time to receive your allergy injection. Remember that you must bring your Epinephrine Auto Injector. 


If you have an immediate emergency, please call 911 first. All after hour calls will be routed to our emergency service voicemail. If this call pertains to prescriptions or scheduling please call back during normal business hours. This service is to assist patients who are experiencing asthma related issues, allergic reactions, or emergency post IVIG related medical issues. Please leave a detailed message with the patient’s name, DOB, and the reason for your call.