After recognizing the difficulty and reluctance that many people experience with dental treatment, we believe that each person deserves to be treated as a unique, individual person.
We know that the best professional care is delivered when the patient, doctor, and team partner together in an environment of understanding, communication and respect toward each other with the goal of complete dental and physical health.
Our office commits to providing only the best and most technically advanced dental care using only the highest quality materials and procedures delivered in an atmosphere of physical and emotional care and comfort.
We expect the doctor and every team member to be actively involved in the pursuit of the highest level of education available, to be thoroughly knowledgeable in the most recent technology, and to perform their duties with an exceptional degree of professionalism and competence.
Here at Kellerman Dental, we believe in delivering to each patient more than just a smile.
Dr. Mahassek +
Dr Kevin J. Kellerman
Dr. Kellerman is passionate about providing excellent comprehensive family dentistry. Whenever advanced technology is available to improve the quality or comfort of dental care, Dr. Kellerman has been ready to invest in it in order to provide the best dental experience for you and your family.
A Southern Illinois native, Dr. Kellerman was raised in Pinckneyville, IL. During his youth he enjoyed playing basketball, baseball, and running cross country. He decided during those years that he wanted to become a dentist, after taking note of the personal relationships his own family dentist formed with himself and the other residents in the community. After graduating from Pinckneyville Community High School, Dr. Kellerman enrolled at Southern Illinois University in Edwardsville, and graduated with honors with a double major in biology and chemistry. Dr. Kellerman then enrolled at the Southern Illinois University School of Dental Medicine. It was here that Dr. Kellerman learned all of the basic skills it takes to become a well-rounded family dentist. He was one of two school representatives chosen by his peers to attend and represent SIU-School of Dental Medicine at an annual meeting of the nation's dental schools. It was at this conference where dental schools would collaborate and share ideas on how to make positive changes that would enhance the experiences of students and patients to the dental school curriculum. Dr. Kellerman graduated from SIU School of Dental Medicine with his doctorate in 2002, and has been committed to continuing his education ever since. He has been trained, holds membership, and/or is certified or accredited by the following organizations: Invisalign, American Orthodontic Society, Six Months Smiles, Dental Sleep Solutions, PAC-Live Aesthetic Continuum, IV-Sedation Certificate from Conscious Sedation Consulting, DOCS,- Oral Conscious Sedation, Chen Laser Institute certificate, Midwest Implant Institute certificate, American Academy of Implant Dentistry, Academy of General Dentistry, American Dental Association, Illinois State Dental Association, Madison County Dental Society, and Greater St. Louis Dental Society. He is also a member of the Glen Carbon/Edwardsville Chamber of Commerce. Dr Kellerman is a topDentist™ recipient in 2015 and 2016!
Dr. Kellerman currently practices full-time and has lectured on various topics. He has lectured to and educated the family physicians of Madison County at Anderson Hospital about sleep apnea and collaborative care of patients who suffer from this condition. He has also lectured to the students of his alma mater on various subjects. Dr. Kellerman feels like this gives him an opportunity to give back to the institution that has given him so much. Dr. Kellerman's team members also spend time in local middle schools educating the students about the importance proper oral hygiene plays in their daily lives as well as their overall health. He believes in being philanthropic, and has donated time, money, and services to those less fortunate who may be unable to afford or find appropriate dental care, and various organizations who are fundraising for good causes.
Dr. Kellerman is known for his thoroughness and attention to detail. He also ensures each and every patient knows all options available to them, and lets them choose the option they are most comfortable with. He feels confident that any work provided by Kellerman Dental Care will provide comfort, esthetics, and durability. He is thankful for all of the genuine compliments and feedback he and his team receive on a daily basis and the entire team uses those kind words as motivation to reach higher levels of service and care for their patients.
Dr. Kellerman enjoys spending his spare time with his lovely wife Amanda, and their three sons. He also enjoys Crossfit, running, biking, hiking, reading, traveling, and live music.
Dr. Mahassek feels fortunate to be a part of the Kellerman Dental team, as she believes this practice truly embodies her core values of patient care which include compassion and high-quality care for her patients. Her passion involves working with children and making them feel at ease, but she also enjoys being in a family practice that allows her to care for people of all ages.
Dr Mahassek is proud to say she is from Glen Carbon, and has realized her dream of practicing in her hometown and serving the community she grew up in. While attending Edwardsville High School she achieved High Honor Roll status, and was involved in various organizations such as Key Club, Student Advisory Council, French Honor Society, Varsity Cheerleading, and the Fellowship of Christian Athletes.
The University of Illinois granted Dr. Mahassek her B.S. degree in Integrative Biology. While attending U of I she was involved in Varsity Athletics Cheerleading, was an honor student in the Pre-Dental Club, and served as a student teacher for a local 5th grade class.
Dr. Mahassek received her Doctor of Dental Medicine degree from Southern Illinois University School of Dental Medicine in Alton, IL. During this time she was a member of the American Association of Women Dentists and the Student Professional and Ethics organization. She feels fortunate to have attended a school close to home as it has enabled her to stay connected with the community by educating local schools on the importance of oral and dental heath, and volunteering at various events to provide dental treatment to underserved populations.
In her free time Dr. Mahassek enjoys sand volleyball, mystery novels, Cardinals games, and running in local races. One interesting fact about her is that she was a cheerleader during her four years at the University of Illinois, with her highlight being able to cheer on the Illini during the Rose Bowl in 2008.
Ashley Harris +
Erica Hackett +
Erica has been in the dental field since May 2014. She enjoys working with patients and helping them create the smile they want. She married her high school sweetheart, Pete, and they have a daughter, Kennedy. Erica is a huge Cardinals fan and she really likes to go to games. She enjoys spending time with her family and friends and she loves to be outdoors at her family farm. She is a huge dog lover and has a Boxer named Brynley. One interesting fact about Erica is that she has been skydiving.
Ashley has been in the Dental field since October 2011. She enjoys collaborating with patients to customize a plan to achieve their oral health goals. Ashley and her husband have been married for 5 years and have one son together, Greyson. She values spending quality time with her family on the weekends. Ashley is a hockey fan and enjoys watching and cheering on the St. Louis Blues. One interesting fact about Ashley is on her wedding day the church lost power due to a storm, but continued ceremony in the heat with doors wide open, candle light for guest book and a portable stereo for music.
Nicki has been in the Dental field since July 2007. She likes seeing patients achieve a healthy nice smile and working closely with coworkers. In her free time, she enjoys spending time with her first grandson Eli. Her children are very active with sports and she takes part in cheering them on at games. Nicki and her family are St. Louis Cardinals fans and attend many games during the regular season. One interesting fact about Nicki is that she has an accounting degree and her first given name is Crystal, but has always gone by Nicki.
Nicole Korte +
Alyssa Courtoise +
Nicole graduated from Lewis and Clark school in 2011. She appreciates developing a one on one relationship with patients, and being able to educate and motivate patient to retain or improve current oral health. Nicole spends her free time attending Cardinal games, boating with family and friends, playing with her dog Ella, and shopping. One interesting fact about Nicole is that she is afraid of fish!
Alyssa graduated from Lewis and Clark school in 2014. She enjoys helping patients feel confident about their smile and building friendships along the way. She has 3 fur babies Mylo, Bella, and Jaxx. She enjoys dancing and is the assistant coach for the Civic Memorial dance team. She is recently engaged and enjoys camping, barbecuing, being outdoors and spending time with family. One interesting fact about Alyssa is she has won over 10 state dance titles combined as coach and dancer.
Jenna graduated from Lewis and Clark school in 2009. The best part of her job is being able to help patients feel confident about their smile! During down time you can find her spending time with her husband and 3 sons. She takes pleasure in capturing photos of her family and posting to her blog to share with family and friends. One interesting fact about Jenna is that she comes from a town with a population of 700.
Lisa Hollenkamp +
Dominique Clemons +
Lisa has been in the dental field since February 2010. She loves working with great people and seeing patients who are at first embarrassed of their smile leave beaming with a confident smile after treatment. Lisa enjoys spending her free time outdoors with her significant other, family and friends. She spends the summer time camping, going to Cardinal games, and taking mini weekend getaways. One interesting fact about Lisa is all through high school she worked for a pizza place and learned how to spin dough in the air really fast!
Whitney graduated from Edwardsville High School in 2010. She has been in the dental field for 3 years and has really developed a passion for dentistry. Whitney has a 3 year old son, Lucas and a cat and 2 dogs at home. She really enjoys doing projects around the house from electrical to plumbing as well as, working on cars and can complete her own oil changes and repairs! Whitney loves riding her motorcycle and going to Blue’s/ Card’s games and concerts in her spare time. Whitney spends as much time as she can outdoors enjoying nature.
Dominique graduated from Missouri College in 2004. She is our expert assistant with our orthodontic patients. Dominique enjoys making patients feel comfortable and working with children. In her free time she reads romance novels, samples white wines, enjoys watching basketball games with her family and laughing! One interesting fact about Dominique is that she recently took up running and completed her first 5k in June 2012!