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We brought our daughter to Dempster Therapeutic Services when she was 3.5 years old. We had initiall

We brought our daughter to Dempster Therapeutic Services when she was 3.5 years old. We had initially hoped she would start speaking once she began daycare, but when that didn't happen, we knew we needed professional support. One of the most impressive things was the speed of care—we only waited 9 days for our first appointment, which included a full evaluation and diagnosis.
After just four months of working with Mr. Andrzej Lewandowski, the transformation has been incredible. As a bilingual speech therapist, he has a specialized gift for connecting with children. Our daughter has gone from not speaking to using words and even full phrases to express her needs!
We are still continuing our sessions with Mr. Lewandowski, and it is amazing to see her gaining new skills every single time she has speech therapy. On a practical note, the clinic accepts HSA, which has been a huge help for our family. If you are looking for effective, compassionate, and efficient speech therapy, I cannot recommend Mr. Lewandowski and the Dempster team enough.

Date of experience: Jan 24, 2026

A really knowledgeable speech therapist

A really knowledgeable English-Polish speaking speech therapist. Mr. Andrzej Lewandowski is an excellent speech therapist for kids. And he is bilingual, which is great, because our kids speak both English and Polish at home.

Date of experience: Sep 30, 2025

Amazing private practice alternative for those frustrated with Early Intervention

I cannot express enough how grateful I am for the incredible experience we've had with Dempster Therapeutic Services, particularly with the outstanding therapist, Andrzej Lewandowski. As a parent of a 19-month-old child, navigating the world of early intervention services was initially overwhelming until we found Dempster Therapeutic Services.Unlike our frustrating experience with Early Intervention, Dempster Therapeutic Services has been a breath of fresh air. One of the standout features for me was the prompt and attentive response to all our calls. In stark contrast to Early Intervention, where my messages seemed to disappear into a void, Dempster Therapeutic Services made it a priority to either answer our calls or promptly return them on the same day. This level of responsiveness immediately set them apart.Scheduling our first appointment was a breeze, and I appreciated the user-friendly online process that eliminated unnecessary paperwork and the hassle of obtaining doctor's referrals. It was a seamless experience that allowed us to focus on what truly matters – our child's well-being.The speed at which Dempster Therapeutic Services acted was truly remarkable. After feeling discouraged by the lack of response from Early Intervention, our child was screened within 20 days of reaching out to Dempster Therapeutic Services. Within three weeks of the screening, therapy sessions were underway. The efficiency and commitment to providing timely support were beyond our expectations.Now, after just two months of therapy with Andrzej Lewandowski, we have witnessed incredible progress in our son's speech development. His communication skills have noticeably improved, and we attribute this positive change to the expertise and dedication of the Dempster Therapeutic Services team.I cannot recommend Dempster Therapeutic Services and Andrzej Lewandowski highly enough. Their commitment to prompt communication, streamlined processes, and, most importantly, the well-being of our child has made a world of difference for our family. If you're looking for exceptional therapeutic services, Dempster Therapeutic Services is the way to go – they have truly been a game-changer for us.

Date of experience: Nov 30, 2023

Amazing results for Early Intervention…

Amazing results for Early Intervention speech therapy. My 2 year old is now talking! I could not be happier. Also, the therapists there are bilingual English Polish speaking, which is great for a bilingual family like ours. Best speech therapist in Chicago area, hands down.

Date of experience: Oct 07, 2023

The best servise ever.

The best service ever. Very professional.

Date of experience: Oct 03, 2023

Awesome experience

Awesome experience with Andrzej Lewandowski. He is very professional, knows exactly what he is doing, he knew how to talk to our son and gave us an incredible, detailed summary after the evaluation of our son's speech and the most important, the solutions and recommendations. We left the office knowing exactly of what to do next and scheduled important appointments.

Date of experience: Sep 06, 2023

A Lifesaver for Our Child: Andrzej Lewandowski's Remarkable Speech Therapy Services

I can't express enough gratitude for the incredible work that Andrzej Lewandowski, the bilingual Polish-English speaking speech-language pathologist, has done for our 4-year-old child. As a parent, I wanted to share our heartfelt experience with his therapy services.Andrzej Lewandowski of Dempster Therapeutic Services is nothing short of exceptional. His reputation as a dedicated professional speaks for itself, and we consider ourselves fortunate to have found him. Andrzej's commitment to his craft is evident.From the moment we met Andrzej, it was clear that he possesses a unique blend of knowledge, patience, and compassion. His ability to connect with our child on a personal level was astounding. Our child, who previously struggled with speech and communication issues, immediately felt comfortable and eager to participate in therapy sessions.Andrzej's approach to therapy is nothing short of holistic. He not only focuses on speech and language development but also considers the emotional and psychological well-being of his young patients. This comprehensive approach helped our child overcome the challenges they faced and build confidence in their communication abilities.What sets Andrzej apart is not only his extensive knowledge and skill but also his genuine care for the children he works with. He goes above and beyond to tailor his therapy sessions to meet each child's unique needs. We witnessed his unwavering patience and encouragement, which played a pivotal role in our child's progress. We wholeheartedly recommend his services to any parent seeking exceptional speech therapy. He is not just a speech-language pathologist; he is a caring, compassionate, and incredibly talented professional who has made a profound difference in our child's life. Thank you, Andrzej, for your outstanding work and for helping our child find their voice.

Date of experience: Aug 28, 2023

Best Polish Speech Therapist in Chicago.

Date of experience: May 20, 2023

After our first visit

After our first visit, I can say that I am glad that my son is in the hands of Mr. Lewandowski, who is very professional, to the point and very nice. You can see his passion and commitment right away.

Date of experience: May 10, 2023

I highly recommend Dempster Therapeutic…

I highly recommend Dempster Therapeutic Service. Mr. Andrzej Lewandowski is very professional and knowledgeable therapist. I was really hesitated to start my speech therapy, because I am mature woman. I got my speech therapy with Agnieszka. Also very knowledgeable, professional therapist. I improved my speech very quickly. They very dedicated to the patient , giving a lots of attention and support. If you’re looking for speech therapist, that’s the one.

Date of experience: Jan 21, 2023