Dr. Gregg Santilli, MD, Frisco, TX | Allergist

What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00

About Dr. Gregg Santilli

Specializing in adult and pediatric allergy, asthma, and respiratory illness, Dr. Gregg Santilli has been in practice since 1994. His extensive experience in treating allergy to foods, drugs, and stinging insects enables Dr. Santilli to provide expert-level diagnoses. Aerobiology, allergic fungal sinusitis, and aspirin-triggered respiratory disease are just some of Dr. Santilli’s additional areas of specialized training I find the practice of Allergy highly rewarding as we continue to provide successful treatment options to cure bothersome seasonal and persistent allergies, recurrent sinus infections, and even asthma in some cases. I truly enjoy caring for both children and adults as I follow allergic families throughout their lives. There is no greater satisfaction than making a vast improvement in the quality of a patient’s life who has suffered from dangerous food or insect allergies. Groundbreaking new treatments continue to emerge in our field, and I look forward to introducing highly effective therapies to patients as we remain on the cutting edge of our specialty.

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.

Chronic nose and throat inflammation due to allergies

Asthma

Chronic nose and throat inflammation due to allergies

Asthma

Office locations

Southwest Allergy & Asthma Center (1 of 2)

1101 Raintree Circle, Suite 140, Allen, TX 75013

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Southwest Allergy & Asthma Center (2 of 2)

12950 Dallas Parkway, Suite 700, Frisco, TX 75033

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1 of 2

Education and background

Practice names

Southwest Allergy & Asthma Center

Board certifications

American Board of Allergy and Immunology

Education and training

Medical School - The Ohio State University College of Medicine, Doctor of Medicine

Awards and publications

Castle Connolly Top Doctor

Languages spoken

English

Provider's gender

Male

NPI number

1023099082

Patient reviews

All reviews have been submitted by patients after interacting with the practice.

Overall rating

5.00

Wait time

5.00

Bedside manner

5.00

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2 reviews

Most relevant

Less than 3 months agoInitials hidden

December 24, 2025Monica S.Verified patient

Frequently asked questions

How soon can I make an appointment with Dr. Gregg Santilli?

Generally, Dr. Gregg Santilli has appointments available on Zocdoc within 1 week. You can see Dr. Santilli's earliest availability on Zocdoc and make an appointment online.

Is Dr. Gregg Santilli accepting new patients?

Dr. Gregg Santilli generally accepts new patients on Zocdoc. You can see Dr. Santilli's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Gregg Santilli accept my insurance?

Choose your insurance plan to verify if Dr. Santilli is in-network.

Can I make an appointment with Dr. Gregg Santilli online?

Yes, you can make an appointment online with Dr. Santilli using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Gregg Santilli work with?

Dr. Gregg Santilli works with Southwest Allergy & Asthma Center.

Where is Dr. Gregg Santilli's office located?

Dr. Gregg Santilli has 2 office locations, including in Frisco and Allen, view full addresses on Dr. Santilli's profile.

Which board certifications does Dr. Gregg Santilli have?

Dr. Gregg Santilli is certified by American Board of Allergy and Immunology.

What are common reasons for patients to see Dr. Gregg Santilli?

Dr. Gregg Santilli frequently sees patients for Acne, Allergy Consultation, Allergy Testing, Illness, and Infection Consultation. You can see other visit reasons for Dr. Gregg Santilli on their profile.

What languages does Dr. Gregg Santilli speak?

Dr. Gregg Santilli speaks English.

How do patients rate Dr. Gregg Santilli in reviews?

2 patients have reviewed Dr. Gregg Santilli. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.