Our Staff

All our professionals at Matthew McCullough DMD, PC maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in family and general dentistry.

Matthew McCullough DMDMatthew McCullough DMD

Dr. McCullough grew up in Bridgeport, IL, a small town in southeastern Illinois. He graduated from Greenville College in 1996 with honors. He then attended SIU School of Dental Medicine in Alton, IL for 4 years. He graduated near the top of his class in 2000 with honors. While in dental school he was awarded the Arm and Hammer Dental Award and was chosen to Omnicron Kappa Upsilon National Dental Honor Society based on scholarship and character of dental students. After dental school, he took over the practice of Dr. Donald E. Hayes DDS, who had practiced for 34 years in Greenville. Dr. McCullough is an active member in the American Dental Association (ADA), Illinois State Dental Society, Madison Dental Society , and the International Association of Orthodontics. He has completed numerous hours of continuing education in Orthodontics, Cosmetics, and other areas of dentistry.

Dr. McCullough is very active in the community as well. He is a member of the Greenville Free Methodist Church, Greenville Chamber of Commerce,Greenville Business and Professional Association, and Vice President of the Bond County Board of Health. He has donated his time each year to the annual Greenville Regional Hospital Health Fair to perform oral exams. He has also conducted clinics that offer free school exams for area students. Dr. McCullough resides in Greenville with his wife Dawn, their sons Grant and Peyton, and daughter Natalie.


Office Manager


Whitney is our office manager. She graduated with a Bachelor of Arts Degree in Biology from Greenville College. Whitney brings ten years of experience in the healthcare field with three of them being in management. She has a passion for helping people, and her calm and caring demeanor puts people at ease. Whitney shares her home with her husband, Erik, and their three pets: Sophie (yorkie), Millie (cat), and Buttons (bunny). Outisde of the office Whitney enjoys spending time with her family and friends, volunteering at church and in her community, traveling, interior decorating, and watching college football - Geaux LSU!



Our Registered Dental Hygiene Team has years of experience and continuing education, bringing the most desirable expertise to our practice. Each of our hygienist takes great pride in giving every patient individualized care during regular checkups and cleaning and are dedicated to the dental health needs and overall well being of each patient.


Lindsay has been a member of our dental hygiene staff since 2010. She began her dental career with our office on a temporary assignment. Lindsay's compassionate, bright, cheery personality and excellent care, skill and devotion to our patients instantly found her as a permanent member on our team. Lindsay graduated from Kaskaskia College with an Associate Degree in Dental Assisting and then continued her education by graduating from Lakeland College in 2009 with an Associate Degree in Dental Hygiene. Lindsay was voted best dental hygienist by her peers. Lindsay is married to her longtime sweetheart and enjoys traveling, reading, cooking, taking care of her dogs and is an avid Cardinal fan.


Jenni began her dental career as an assistant. After four years of experience she decided to go back to school for dental hygiene at Lake Land College from where she graduated in 2006. Jenni's bubbly personality helps put patients at ease and make their experience more enjoyable. She also loves helping patients take care of their smiles and improve their overall health. When not working, she enjoys spending time with her husband and twins, Evan and Ava, and going camping.


Kimmy graduated from Kaskaskia College in 2007 with an Associate Degree and Dental Assisting Degree. She then graduated from Southern Illinois University Carbondale in 2010 with a Bachelor of Science Degree in Dental Hygiene. She has been a registered dental hygienist since 2010. Kimmy enjoys getting to know her patients and creating a positive dental experience by providing a calming nature and a gentle hand. Educating each patient based on their needs is something that Kimmy prides herself in doing to help prevent any type of oral disease from cavities to gum disease. Outside the office Kimmy is married with two rambunctious boys, Connor and Liam. During her free time she enjoys spending time with her family and friends, motorcycle riding, reading, baking, and knitting.


Dental Assistants

Each of our Dental Assistants are certified with expanded function duties and value the importance of remaining current on all continuing education requirements. It is their diligence in making your dental visit as comfortable and stress free as possible. The dental assistants work along-side the dentist and are usually with you from beginning to end of your appointment. Our assistants are professionals who pride themselves in staying on the cutting edge of dentistry and will make certain that you have a full understanding of each procedure that is being performed. Our Dental Assistants love their jobs and it shows. Their smiles are contagious!



Casey is a certified dental assistant who graduated from Kaskaskia College with honors and as Vice President of her class. Casey has been a member of our team since 2014 and we are very pleased that she joined us. Her hard work, never stop, can do attitude is such an asset and one that our patients truly enjoy. Casey will go above and beyond to ensure that your visit at our office will be a pleasant experience, as well as a successful one. Casey is a Bond County native and resides in Greenville with her husband, Blake, their son, Klay, and their dog, Laker. In her spare time she loves spending time with her husband, son, and family and friends.


Kendra graduated from MTI’s dental assisting program in 2013. She immediately began her career and started gaining experience. Kendra enjoys being a dental assistant because she gets to have an impact not only on her patients’ health, but also their smiles. She also loves being able to provide quality care, especially to the little ones. When she’s not working, Kendra enjoys spending time with her fiancée, two daughters, and her dog, Martey.



Front Office  Coordinators

Our Front Office Coordinators receive our patients (both on the phone and in person) with kindness and compassion. They will assist you in any way possible from appointment scheduling and insurance coverage, to reviewing preoperative and postoperative instructional care . They are ready to answer your questions and assist you in any way they can. They love what they do, and it shows on their faces. You will find them to be friendly and up-beat and truly caring and understanding of your dental needs.


Marla has been with our office since 2011 and she brought with her a background in the dental and medical fields. In addition to being a Front Office Coordinator, she is also a Dental Assistant and is knowledgeable in all aspects of both areas. Marla understands the importance of making you feel welcome and comfortable during your time in our office and takes great pride in ensuring that all aspects of your appointment are pleasant and to your satisfaction. Marla is married and has two daughters. In her spare time, she enjoys spending time with her husband and daughters and their Labradoodle, Hadley.


Ashley is a receptionist at our office and has been a part of our team since 2015. Ashley graduated from Southern Illinois University Edwardsville in 2008 with a Bachelor Degree in Psychology. She has always been passionate about helping people. Making patients feel comfortable and at ease when they enter the office is something she prides herself in doing. Outside of the office Ashley enjoys spending time with her family and friends.


- it seems we are always smiling around here!

You will find our staff is friendly and up-beat, and we will do our very best to make your visit comfortable and, yes, even fun!! And all the while, we will be providing you with the highest quality dental care. We won't be surprised to hear you say .... "It's the best time you have ever had in a dental office" .

Please do not submit any Protected Health Information (PHI).