About Allergy & Environmental Treatment Center, LLC

About Us

Allergy & Environmental Treatment Center, LLC, located in Scottsdale, Arizona, is an allergy testing and immunotherapy clinic that provides comprehensive testing and treatment to children and adults throughout the country. Lawrence Liszewski, MS, DO and his compassionate team offer exceptional care grounded in more than 35 years of allergy, medical, and environmental medicine experience.

The team treats all types of allergies, from seasonal allergies and food allergies to chemical sensitivities and allergic skin conditions. They determine the root causes of each person’s allergies, including those who haven’t been helped by other clinics. Advanced testing allows them to precisely diagnose the source of symptoms and develop customized allergy treatment. 

Each patient can count on individualized care that encompasses comprehensive allergy testing, immunotherapy, therapeutic diets, nutritional supplementation, and extensive patient education. They work tirelessly to teach environmental and lifestyle changes that improve each person’s quality of life.

The team is highly regarded by physicians who refer their allergy patients to Allergy & Environmental Treatment Center, LLC. 

The team at Allergy & Environmental Treatment Center, LLC, has helped countless allergy patients return to a healthy and vibrant lifestyle. Don’t wait any longer to gain relief from your allergy symptoms. Call the office or book an appointment online today.


Words from our patients

  • Google

    "I highly recommend giving them a visit if you've been dealing with allergies or any allergy related symptoms that just won't seem to go away."

    Tyler S.
  • Google

    "If you just have mild allergies, you've got allergists to chose from around town. If you have the real severe allergies, come here!"

    Erica C.
  • Google

    "Dr. Liszewski is extremely thorough and listens to what I say; he is caring and very professional."

    Ioan D.
  • Yelp

    "This is outstanding service and they always go above and beyond to help me!!! The staff and doctors are all excellent!!!! Go there and you'll be so happy and healthy!!!"

    Carolyn C.
  • Yelp

    "They were great to work with and helped me better understand what was problematic for me. Now in the midst of allergy season and I am not bothered by allergies!"

    Tami V.
  • Yelp

    "I just changed primary care doctors to Dr. Liszewski. He is one of the best doctors I have been to."

    Debbie H.


Allergy & Environmental Treatment Center, LLC
8952 E. Desert Cove Ave., Suite 114
Scottsdale, AZ 85260
Phone: 480-634-2985
Fax: 480-634-2987

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