Need an Emergency Appointment?

Making an appointment with Dr. Chacko is easy. Simply complete the contact form and we’ll contact you, or give us a call.

(678) 668-4688

Locations & Office Hours

We have 6 convenient locations to serve you — Atlanta, Canton, Cumming, Alpharetta, Johns Creek and Duluth.

We are open Monday–Friday, 8:00 am to 5:00 pm. Call for an appointment today.

Meet Dr. Thomas Chacko

Dr. Chacko is a leading allergist in Atlanta. He specializes in diagnosing, testing and treating the most complicated allergies impacting your health & well-being.

Contact Us Now

Dr. Chacko Featured on the Cover of Atlanta's Top Doctor Magazine

Yes, You Can Reduce Your Allergy Symptoms — It Starts With a Plan

As your experienced allergist, Dr. Chacko will create an individual allergy treatment plan for you. Allergy treatment generally consists of a combination of the following:

Environmental – simply avoiding your allergens, if possible
Medicinal – prescription or over-the-counter tablets, nasal sprays, eye drops, etc.
Immunotherapy – more commonly known as allergy shots
Auto-injectors – for allergic reactions that range from extreme to life-threatening

Schedule an appointment for initial assessment today! The doctor will ensure that you are well-informed of the facts relating to your allergy and treatment options.


As Featured on CNN
Dr. Chacko Discusses
Allergy Treatment Options

While you may feel like avoiding the outdoors is the best way to treat your allergy seasonal symptoms, it’s not!

One of many ways to get relief is through allergy shots. Tyler, one of Dr. Chacko’s patients, shares how getting allergy shots has changed his day-to-day life.

Dr. Chacko can help you, too!

Recent Reviews

Chacko Allergy is rated 4.9 out of 5.0 based on 1,204 reviews.


Great office and staff. Had our first virtual appointment last Monday and it was great! Thanks for the option and flexibility.

Heather Carmichael G.


Dr. Chacko and his staff are very professional, always available to answer questions and create a welcoming atmosphere.

Jennifer D.

Whether you have seasonal allergies, food allergies or oral allergies,
request an appointment today! Dr. Chacko is ready to help you.


Visit the Chacko Allergy, Asthma and Sinus Center Nearest You Today


5555 Peachtree Dunwoody Rd #135
Atlanta, GA 30342

(678) 668-4688


960 Sanders Rd #500
Cumming, GA 30041

(678) 668-4688


3770 Howell Ferry Road
Duluth, GA 30096

(678) 668-4688

Johns Creek

3905 Johns Creek Court #200
Suwanee, GA 30024

(678) 668-4688


3905 Brookside Parkway #203
Alpharetta, GA 30022

(678) 668-4688


3755 Sixes Road #202
Canton, GA 30114

(678) 668-4688