Dr. William J. Kowalski

Dr. William J Kowalski DMD MS LLC

Dr Kowalski is married to a Pedodontist. They have 2 children, Joe and Anna. Dr Kowalski is from the Chicago area, where he graduated from University of IL with a Microbiology BS in 1995. Dr Kowalski attended Southern IL University School of Dental Medicine, where he graduated with Doctor of Dental Medicine in 1999. To further his knowledge for a specialty practice, Dr Kowalski attended St Louis University, where he graduated with a Endodontic degree in 2003. The office in Fenton was opened the summer of 2006. Kelly and Catherine have been with Dr Kowalski 10+ years.

Dr. William J Kowalski DMD MS LLC is open Mon, Tues and Thur 8am- 5pm Fri 8am- 2

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About Smile Advantage

The Smile Advantage Plan is a membership-based dental savings plan that provides the quality care you deserve at a price you can afford. Members pay an annual fee to receive regular exams, cleanings and X-rays along with access to significantly reduced rates on all other restorative and cosmetic dental procedures performed in our office. Plus, the plan offers many benefits including no annual caps, no limits, and no waiting periods. This provides for quick access to the care you need!

    Treatments and Procedures

  • 10% Off Treatment- Smile Advantage Members Only
  • Root Canals
  • Retreats of Root Canals
    • “Everyone was so friendly and helpful. The office was very professional and they really took the time to make me feel comfortable and welcome. My dentist was by far the best dentist I have ever had. I will definitely be coming back here regularly”


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