Gary Treinkman, DDS
Dentist
901 N. Ashland Avenue
Chicago, IL 60622
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135 providers
Availability last updated 04/12/2026
Gary Treinkman, DDS
Dentist
901 N. Ashland Avenue
Chicago, IL 60622
John T. Zaffer, DDS, is a cosmetic and general dentistry practice conveniently located in Glen Ellyn, Illinois. As a trusted provider of comprehensive dental care solutions, experienced dentist John Zaffer, DDS, values preserving the health of each patient’s gums and teeth while enhancing their smiles.
Whether patients visit for routine teeth cleanings, restorative treatments like crowns and bridges, or cutting-edge cosmetic procedures, Dr. Zaffer and his team are equipped to meet their dental needs.
The practice utilizes state-of-the-art equipment, including digital X-rays that reduce radiation, intraoral scanners, and CEREC® technology that enables Dr. Zaffer to place same-day crowns, onlays, and veneers. He also invests in dental laser procedures for teeth whitening and periodontal treatment to provide patients with comfortable, high-quality care at every visit.
Dr. Zaffer, a Chicagoland native, obtained his bachelor's degree from the University of Illinois Chicago in Chicago in 1988 before earning his dental doctorate from the University of Illinois College of Dentistry in 1992. He soon launched his practice in Glen Ellyn, where he has provided exceptional dental care to the community for more than 30 years.
He finds immense joy in practicing in a community he cherishes. Dr. Zaffer is committed to staying at the forefront of dental technology, constantly searching for new treatments and techniques that improve patient outcomes. At his practice, patient's dental health and oral well-being are his highest priority.
When he's not at the dental office, he enjoys spending time with his wife and two daughters. He also shares his home with Kona, his beloved shih tzu, who loves to accompany him on walks.
Dr. Zaffer and his team welcome the opportunity to deliver the superior dental care patients deserve. Call the office today or schedule an appointment online to learn more.
Dr. John Zaffer, DDS
Dentist
526 Crescent Blvd
#224
Glen Ellyn, IL 60137
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