Allergy & Environmental Treatment Center 8952 East Desert Cove Avenue, Scottsdale, AZ 85260

"Never mind the mediocracy of the NP. When it was time to fill up my medication they emailed me saying I owe them 80$ and its going to be sent to collection and they wont fill up my medication until I pay. Turned out it was a billing error on their end. Now just imagine a doctor (NP) holding your much needed medication hostage. Her license should be revoked."

"I DO NOT recommend this office. While Christina is a good nurse practitioner and Aubrey is great at the front desk, beware of their Billing Dept and office manager Sharon. Review your charges on your billing statement!!! I called Jay, their “billing specialist “ to dispute a charge that I inquired about with my insurance company, and he was EXTREMELY RUDE and UNPROFESSIONAL. He wouldn’t even allow me to speak and explain the reason for my call and added unnecessary charges on account. POOR CUSTOMER SERVICE"

"Dr. Liszewski and Christina Miller have been my primary care providers for several years. Both have proven to me to be excellent listeners with meticulous attention to detail in their analyses. They always thoroughly review my health history to date, including all my prescriptions and supplements. Whenever there has been a delay in getting a prescription filled, their friendly and efficient office staff has always managed to get quick resolution of the problem. AETC also sells the natural lemon-lime flavored Omega-3 supplements that I like. In addition, Sharon periodically sends me healthy recipes that I actually find useful. Based on all of my positive experiences, I have and will continue to recommend AETC."

"I just wish to share how grateful I am for having found Dr. Liszewski's practice in November of 2018. The support and knowledge I have been receiving since then has been the most impactful in my 57 yrs of dealing with allergies. Sharon Gwozdek, RN, BSN, has such a high level of dedication and commitment to her work with all of us patients that I'm pretty sure everyone under her care feels the same way I do, an immense sense of gratitude. The rest of the office staff is very supportive and wonderful as well. In short, Allergy and Environmental Treatment Center has marked a turning point in terms of my physical & emotional health. Alessandra"

"As someone who has been suffering from major allergies for the majority of my life, this place has been an absolute life saver! I've always had issues particularly with my breathing and after trying multiple treatments and even surgeries, I was at a loss for what could be going on with me. It's now been 2 years since I've been seeing them and have made a tremendous improvement, but it really only took about a month or two to first notice the effects. The staff is incredibly nice and thoughtful and you can feel that they genuinely care about your well being. 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."