Meet the Staff

We are especially interested in making all our patients feel right at home! We put your needs first to achieve efficient and comprehensive treatment. Our staff is trained and skilled, and we strive to provide energetic and fun-loving service to each patient. Each member of our treatment team is a certified assistant, and our office staff has years of experience in treating patients with the highest level of care. We strive to stay abreast of the latest in technological advances by regularly attending continuing education courses and seminars.


Dr. John Caldieraro III has been providing exceptional dental care since acquiring his practice in 2008. Dr. Caldieraro attended St. Louis University for his undergraduate studies in Biology and earned his Doctorate of Dental Medicine from Southern Illinois University School of Dental Medicine.

He is an active member of the American Dental Association, Illinois State Dental Society and the International Association for Orthodontics. Dr. Caldieraro is a Clinical Assistant Professor at the SIU School of Dental Medicine and a dental consultant for Heritage Health Nursing Home. He also serves on the medical staff of Community Memorial Hospital.

In 2009, John married his high school sweetheart, Kelli. Together they have a son, John IV. In his spare time, he enjoys spending time with his family and spending time outdoors golfing, hunting and fishing.

Office Manager

My name is Marla and I am the office manager. I graduated from Lewis and Clark Community College as a Certified Dental Assistant. I am in charge of the day to day activities in the office and love my daily interactions with our patients. When I am not baking, I enjoy biking, walking, or working out at the gym. I am the proud mother of two grown sons, Chad and Matt and daughter in law Stacy.

Dental Assistant & Dental Hygienist

My name is Alex and I am a Certified Dental Assistant and Registered Dental Hygienist. I graduated from Lewis and Clark Community College in December 2012 and started working at Caldieraro Dental in early 2013. My husband, Brandon and I have been married since September 2012. We are the proud parents of a son, Chase and two dogs, Kobe and Ziggy. I enjoy spending time with family and friends, boating, camping, and hunting with my husband!

Dental Hygienist

Mary has worked as a dental hygienist with Dr. Caldieraro since July 2008, and she has been fortunate to work in Staunton since January 1985. She and her husband, Roger, have been married since 1987 and have raised 4 sons. She is currently active in her church as an ushering team member and nursery caregiver. Previously she taught Sunday school, directed vacation bible school, directed the Wednesday after-school LOGOS program, and also served as church council member/secretary. Mary had fun for several years as a Cub Scout Den Leader as all four of her sons have advanced through Boy Scouts to achieve the Eagle Rank. She has enjoyed the opportunity to provide preventive care at the SIUE Dental School Give Kids A Smile, LCCC Clean & Screen, and Missouri Mission of Mercy events in recent years. Mary likes to relax by spending time with family/friends, reading, playing pinochle, bowling, walking and bicycling.