Allergy and Asthma of Allen

Our specialized practice focuses on treating your allergy, asthma and immunology needs. Thank you for choosing Allergy & Asthma Associates of Allen.

We believe in educating our patients to help them understand their medical conditions. From allergies and asthma to underlying immunological disorders, we offer the latest diagnostic evaluations to properly diagnose and treat these conditions. After the initial evaluation, every patient is given an individualized treatment plan. Your visit to our office will not only be productive, but also pleasa

Operating as usual 09/13/2019

Breakthrough for peanut allergies: FDA decision expected The FDA is expected to approve a pill that aims to protect children against severe peanut allergies. The drug will hopefully protect more than 1 million U.S. children and teens who are allergic to peanuts. NBC’s Kathy Park reports for TODAY.


Dr. Reddy representing Allen once again in D Magazine Best Doctors in Collin County!


Allen’s very own Dr. Hari Reddy selected as D Magazine Best Doctors in Dallas 2018!!

#DMagazine #AllenTx


Allen’s very own Dr. Hari Reddy in D Magazine Best Doctors in Collin County 2018!

#Dmagazine #CollinCounty #AllenTx


American Academy of Allergy, Asthma, and Immunology


There are methods of allergy testing that are not useful, effective or may lead to inappropriate diagnosis and treatment. Immunoglobulin G (IgG) testing is one of them.


American Academy of Allergy, Asthma, and Immunology

Did you know that a single ragweed plant can produce up to 1 billion pollen grains? Find out more about this plant that may be causing your allergy symptoms.

Spanish: 01/13/2017

CVS Is Now Selling an EpiPen Competitor at a Massive Discount

It's finally here. It's available at all of its retail pharmacies.


Allergy and Asthma of Allen 08/24/2016

Why Did Mylan Hike EpiPen Prices 400%? Because They Could Somewhere, right now, a cash-strapped parent or budget-limited patient with a severe allergy will skip acquiring an EpiPen.


Wonderful patients make our day!


It's halfway into the week and we are all smiles at Allergy and Asthma of Allen!!


Happy to host these cute kids in their fundraising efforts for a local shelter!!


Wonderful way to start our Wednesday here at Allergy and Asthma of Allen! Our patients mean the world to us!!


From one of our patients that came in very sick the other day. What we hope he realizes is that we are humbled and grateful that he chose us for his care.

[07/03/14]   Food allergy desensitization is going to help many patients in the future. More research studies for safer protocols are needed. 03/14/2014

A sweet solution for allergy problems

Dr. Reddy was interviewed by the Plano Star Courier!! With allergy season in full swing, some North Texans are turning to local honey instead of high-priced allergy medicine.

[12/20/13]   Congratulations to our very own Dr. Hari Reddy on being selected for the Texas Monthly list of "Texas Super Doctors 2013" in the field of Allergy. Check it out in the December 2013 issue of Texas Monthly!! From all of us here at Allergy and Asthma of Allen, Merry Christmas and Happy New Year. 11/14/2013

Bill to combat allergy emergencies in schools signed by Obama - NBC WASHINGTON - President Barack Obama on Wednesday signed a bill that gives a financial incentive to states to stockpile emergency...

[11/07/13]   Allergy and Asthma Associates of Allen is proud to announce our Thanksgiving Food Drive and Raffle!!! For each can of food brought in; your name will be entered to win 1 of 3 Target Gift Cards. The Allen Food Pantry will help feed over 300 families this Thanksgiving. Let's join together for this worthy cause (and a chance to win)!! 10/07/2013

New ways to fight fall allergies

Our very own Dr. Hari Reddy was recently interviewed by WFAA News 8 about allergies!!! More treatments are available than ever to fight fall allergies.

[08/28/13]   Due to it being a holiday weekend, our office will be closing early Friday, August 30. Our last shot will be at 11:40a.m and we will be opening back Tuesday morning at 8:30a.m. Hope everyone has a good Labor Day weekend!

[04/10/12]   Facebook for Allergy and Asthma of Allen is now ACTIVE!!!!


Allergy and Asthma of Allen's cover photo




977 Raintree Cir, Ste 100
Allen, TX

General information

Shot Hours Monday: 8:30am-11:40am, 1:00pam-5:00pm Tuesday: 8:30am-11:40am, 1:00pm-6:00pm Wednesday: 8:30am-11:40am, 1:00pm- 5:30pm Thursday: 8:30am-11:40am, 1:00pm-5:00pm Friday: 8:30am-11:40am, 1:00pm-2:30pm

Opening Hours

Monday 8:30am - 5:30pm
Tuesday 8:30am - 6:30pm
Wednesday 8:30am - 6pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 3pm
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Dr. Peter Hazim Dr. Peter Hazim
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Dr. Hazim is an Allen Dentist that will go the extra mile to ensure your smile is breathtaking. Come see why Dr. Hazim was voted best dentist by D Magazine

Orthodontist - Dr. Maryam Mojdehi-Barnes DDS, MS, PA Orthodontist - Dr. Maryam Mojdehi-Barnes DDS, MS, PA
604 S Watters Rd
Allen, 75013

Specializing in Orthodontics for Children, Teens and Adults since 1999!