Newnan, GA Dentist


Kelley Brummett, D.M.D

Dr. Kelley Brummett started her journey in healthcare in 1996 as a Registered nurse at the Medical College of Georgia and Charter Behavioral Hospital. She made her way to dental school at the Medical College of Georgia and graduated with a Doctorate of Dental Medicine in 2002. She developed her passion of caring for people in an individual, relationship-based practice and is the owner of Oak Hill Dentistry. She continued to develop her passion by completing the continumn taught at the Pankey Institute.

She is currently on faculty at the Pankey Institute and is on faculty as a lead educator for the Essentials 3 curriculum on form and function. She is also a curator for the Restorative Nation Web site for ongoing dental education. Her passion is in learning and inspiring her patients, team, and dentist’s to develop their skills and to love what they do with and for patients. She is a member of ADA, AGD, AACD, GDA, Pankey Alumni Institute, Board member of the Pankey Insitute.

She has a daughter, sarah (17) and son Sam (16). She has been married for almost 25 years to her husband Darin who is a neuro-radiologist and owner and partner of outpatient imaging. She has 3 great dogs Buddy, Matthew, and Molly.


Robin Bushman, RDH

With more than 20 years of experience as a dental hygienist, Robin loves working for Oak Hill and appreciates the opportunity to treat every patient as an individual. Since growing up in middle Georgia, she has always called Coweta County home. Robin feels fortunate to practice with a team that truly cares about their patients and finds joy in assisting them to find their best smile.

Robin enjoys hiking, kayaking, and spending time outdoors with her husband. She also has a son who is currently attending Georgia Southern College.


Laura Duncan, RDH

Laura was born and raised in Newnan, Georgia and graduated from the University of West Georgia with a Bachelor of Science in Biology. She continued her education by attending West Georgia Technical College earning her AAS in dental hygiene. Laura is passionate about her career as a hygienist and enjoys developing relationships with her patients and educating them on their oral health.

Laura and her husband welcomed their first son, Jacob, into the world in July of 2016. Her hobbies include running, baking, and spending time with family.


Nikki McKnight, Patient Manager

Nikki was born and raised in Newnan, Georgia and attended Georgia Southern University where she was a member of the soccer team. She enjoys being able to build lasting relationships with the patients that visit. She is passionate about helping others and takes pride in being part of the Oak Hill Dentistry mission to treat each patient with excellent care for their overall health.

Nikki is married to her high school sweetheart and they live with their two rescue dogs. In their free time, they enjoy being outside, fishing, boating, and hunting.


Milissa Lewis

With more than 20 years of experience, Milissa is a dedicated dental assistant focused on caring for her patients. She strives to make each patient feel like a part of their family and make every visit as comfortable as possible. Milissa loves working with Dr. Brummett and the Oak Hill Dentistry team because of the love and care they give to everyone who walks through their doors.

Milissa loves football, and in her spare time enjoys cooking, gardening, and spending time with her son and two granddaughters.


Matthew, Office Dog

Matthew is the Brummett family’s third dog and acts as the office mascot/patient greeter. Our team and patients love seeing Matthew around the office and helps keep the atmosphere fun and relaxed. He enjoys sleeping, greeting patients (especially kids!), begging for food, and being around people.