About The Doctor

Timothy Lonergan, D.M.D. is a 1980 graduate of SIU-C and 1984 graduate of SIU School of Dental Medicine. He has successfully completed many continuing education programs throughout the country. He is a member of the ADA, GV Black and Chicago Dental Societies, as well as study clubs in implants and dental practice management. After receiving his DMD, Dr. Tim and his family started his practice in January of 1985, right here in Chatham. He and his family are very grateful for the fantastic friends and patients that they have met along this journey. They are especially thankful for all of the generous referrals our patients give and appreciate each of you for your support.


Outside of the office Dr. Tim loves spending time with his wife, Vanessa; his daughter, Britlynn; and his lab, Gracie. He enjoys hunting, grilling out with family and friends, and traveling.

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