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Clinic Type

Allergy and Asthma

Address

1101 Raintree Circle, Suite 140, Allen, Texas 75013

Phone

469-656-1057

Email

Opening Hours

| Monday | 8:30am – 1:00pm / 2:00pm – 5:00pm | | --- | --- | | Tuesday | 8:30am – 1:00pm / 2:00pm – 5:00pm | | Wednesday | 8:30am – 1:00pm / 2:00pm – 5:00pm | | Thursday | 8:30am – 1:00pm / 2:00pm – 6:00pm | | Friday | 7:30am – 2:00pm | | Saturday | Closed | | Sunday | Closed |

Services Offered

  • Allergy Testing
  • Allergy Shots
  • Allergy Drops (Sublingual Immunotherapy)
  • Asthma Treatment
  • Sinus care
  • Expert allergy, asthma and sinus care

Technology & Equipment

  • Allergy Testing
  • Allergy Shots
  • Sublingual Immunotherapy (Allergy Drops)

Team

  • Gregg Santilli, Board-certified allergy, asthma and respiratory illness specialist — M.D.
  • Madiha Hussain, PA-C, board-certified Physician Assistant — PA-C

Insurance & Payment

Languages Spoken

FAQs

When should I see a allergy specialist?

If you are experiencing any allergy, asthma or sinus symptoms, it may be time to see a specialist.

Office Hours

| Monday | 8:30am – 1:00pm / 2:00pm – 5:00pm | | Tuesday | 8:30am – 1:00pm / 2:00pm – 5:00pm | | Wednesday | 8:30am – 1:00pm / 2:00pm – 5:00pm | | Thursday | 8:30am – 1:00pm / 2:00pm – 6:00pm | | Friday | 7:30am – 2:00pm | | Saturday | Closed | | Sunday | Closed |

Awards & Accreditations

  • Award-Winning Care with Premier Allergy Specialists

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • The ENT & Allergy Centers of Texas (company website): 5 out of 5 stars (on company website)
  • WebMD: no ratings yet (0)

Patients praise

  • friendly and professional staff
  • efficient and fast appointment times
  • doctors described as knowledgeable, attentive, and patient with children

Common complaints

  • reports of patient discharge following negative reviews

"Dr. Pahlavan was extremely knowledgeable and willing to answer any questions without hesitation. Staff was super friendly and we were in and out. Highly recommended for anyone but especially for little kids."

The ENT & Allergy Centers of Texas website

"So my wife gave them a bad review because of Dr. Reddy's services and they sent her a letter saying they will not be providing her any medical care after ..."

Yelp (review regarding Allergy & Asthma Associates of Allen)

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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