Meet the Team

At our periodontal practice, we recognize that all of our patients are unique, and deserve to receive periodontal care that reflects their individual needs. Our team is committed to working with you and your family to create a positive, comfortable, and customized periodontal experience every time you visit our office.

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Front Office

You will find our front-office team to be knowledgeable and sensitive to the questions and concerns you may have regarding dentistry, appointments, scheduling, and finances.

Lauren

Office Manager

Lauren is our office manager. She keeps the practice running smoothly so Dr. Madigan and the team can focus on our patients’ oral health and comfort. Lauren’s dental experience started in 2006. She’s bilingual and has worked as a medical/dental interpreter for medical and dental clinics in the Northeast and Southeast, as well as on international and domestic missions. Lauren joined us in 2017 and handles the office financials, human resources, and develops and implements systems and procedures. She loves getting to know patients and is thrilled to support Dr. Madigan and our team in finding solutions to help patients achieve their dental goals.

Lauren and her husband, Dr. Madigan, have two sweet and rambunctious boys who are avid flossers and ice cream aficionados. They love to go for hikes with their Toy Fox Terrier, Ziggy, who loves to steal socks, and Lily, a Border Collie and Great Pyrenees mix from Young Williams Animal Shelter. Lauren’s time off is spent with family, pursuing writing and cooking projects, playing hymns on the violin, and admiring the beauty of the outdoors.

Charlotte

Patient Scheduling Coordinator

Charlotte serves as our Patient Scheduling Coordinator and has been a valued member of our team since 2024. She brings over two decades of experience in the dental field, having started her career in 2000. Throughout her career, Charlotte has held a variety of roles, including lead dental assistant, treatment coordinator, and dental consultant, giving her a well-rounded perspective on patient care and practice operations.

Her favorite part of her work is building relationships with patients and supporting them throughout their experience in our office. Charlotte is passionate about creating a welcoming environment and ensuring each patient feels cared for and understood.

She deeply values being part of a team that feels like family and considers herself fortunate to work alongside Dr. Madigan and the rest of the team. Charlotte strongly believes in Dr. Madigan’s clinical excellence and is proud to support his commitment to providing care with integrity, honesty, and compassion.

Outside the office, Charlotte enjoys spending time with her family. She is the proud mother of her daughter, Violet, who loves roller skating, and she shares a love for all things Tennessee.

David

Patient Care Coordinator and Operations & Technology Specialist

David is our Patient Care Coordinator and Operations & Technology Specialist. He joined our office in 2024, which was also his first year in dentistry. David has never met a puzzle he couldn’t solve in the most efficient way possible, and his problem-solving skills have been invaluable to our practice. Before entering dentistry, he served as a math teacher, bartender, and even worked on an oil rig. There are also rumors that he swam with dolphins for biology research!

David greets every patient by name and loves hearing their stories and sharing stories in return. He has been integral in our recent transition to innovative and leading-edge software in January 2026 and continues to educate our team and optimize our systems to make them the best they can be. His caring nature and attention to detail ensure that every patient feels welcomed and supported.

At home, David is a devoted dad to two daughters and one son. He’s always up for an adventure and brings that same energy and enthusiasm to his work every day.

Andrea

Treatment Planning and Insurance Coordinator

Andrea is the knowledgeable and warmly smiling face you’ll meet during your first consultation with Dr. Madigan. She brings extensive experience in insurance, surgery, treatment planning, patient education, and scheduling to her role on our team. Andrea has worked in the dental field since 2011 and has been with our practice since 2021, with background experience in Oral and Maxillofacial Surgery, General Dentistry, and Periodontics.

She has over ten years of expertise navigating the complexities of dental insurance plans and has never met an insurance dilemma she couldn’t solve. Andrea loves problem-solving and auditing, and she enjoys guiding patients as they schedule their treatment, helping answer their questions and making them feel confident throughout the process.

Andrea deeply admires Dr. Madigan and the rest of the team, especially because they cut up on each other and laugh along the way, creating a fun, welcoming environment for both staff and patients. With her Hawaiian ancestry, Andrea has found a deep appreciation for the southern hospitality of East Tennessee, which aligns perfectly with her “Aloha Spirit” and her wonderfully welcoming personality.

Outside the office, Andrea enjoys boating on Cherokee Lake, spending time with her pup, Lucy, and helping out with her family’s food truck.

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Clinical Staff

Our clinical staff provides a caring environment of high standards in safety and professionalism. We take great pride in providing patients exquisite care and service.

Alina

Surgical Dental Hygienist and Clinical Liaison

A true symbol of enthusiasm for the dental profession, Alina hails all the way from Bucharest, Romania. She has resided in Waterloo, Ontario, Canada, Florida, Massachusetts, Louisiana, and for the last six years, Alina has been calling Knoxville her “home away from home." Alina has a genuine interest in getting to know her patients. If you like to talk about history, travel, hockey, Cajun food, LSU football (Geaux Tigers!!), Romanian gymnastics, early music, fashion, and all things dentistry, she’s your gal!

Alina has been practicing dental hygiene for over 16 years, but has been in dentistry as an assistant and patient care coordinator since 1998. Alina has a BS in Biology and a BA in History from Wilfrid Laurier University in Waterloo, Ontario, Canada and her dental hygiene degree is from the “Canadian Institute of Dental Hygiene” in Hamilton, Ontario, Canada.

Alina is not only a surgical dental hygienist at our practice, she is also Dr. Mike’s clinical liaison. With such diverse clinical experience and a passion for educating patients and teammates alike, she is a great resource if you have any clinical questions. A true "Jane of All Dental Trades," Alina is often spotted (in her beloved polka dots!) educating patients on oral hygiene, doing periodontal maintenance appointments, assisting Dr. Mike in surgery, answering phone calls, coordinating meetings with our favorite referring dentists, and sharing a smile with our patients and team.

Alina loves nothing more in life than to spend time with her husband, Marius, who is the Director of Choral Activities and the Chair of the Fine Arts and Communications Department at Tennessee Wesleyan University in Athens, TN. Together, they are kept in line by their little two-year-old cat Athos, a true Muskateer, not just by name.

Brandy

Registered Dental Hygienist

Brandy is a Registered Dental Hygienist and a Tennessee native who has also lived in South Carolina, Arizona, and New York. Dentistry and education are her passions, and she has been practicing dental hygiene since 2012. She graduated with honors from Northern Arizona University, where she earned a Bachelor of Science in Dental Hygiene. Throughout her career, Brandy has also served as an adjunct clinical professor of dental hygiene at two different colleges, mentoring future dental professionals.

Brandy loves crafting, cosplay, vintage fashion, and science fiction. She has a deep love for animals and has enjoyed raising English Mastiffs as her pets. One of her favorite ways to relax is snuggling with them while watching beloved TV shows such as Star Trek, Stargate SG-1, Peaky Blinders, and Breaking Bad.

When you visit Brandy, you can expect personalized care tailored to your individual needs. She provides a thorough evaluation at every visit and works with each patient to build a comprehensive plan, helping them achieve and maintain a healthy, beautiful smile.

Cassie

Surgical Dental Assistant

Cassie is a Surgical Dental Assistant who joined our team in 2022 and began her dental career in 2018. She has experience in pediatric, general, and periodontal dentistry, giving her a well-rounded background in patient care.

Known for her strong work ethic and high energy, Cassie is dedicated to providing an excellent patient experience. She is especially focused on patient comfort during surgical procedures and post-operative care. Cassie assists during surgery and helps with treatment preparation and coordinating follow-up care, helping ensure a seamless experience for both new and existing patients.

Her favorite part of her role is meeting new people, educating patients, and helping them feel confident in their care. She values being part of a team that feels like family and enjoys working alongside Dr. Madigan and her coworkers in a positive, personable environment where laughter is part of the day.

Outside of the office, Cassie enjoys racing dirt bikes, spending time with her family, going to the river, attending church, and making memories with her fiancé.

Oasis

Surgical Assistant

Oasis is a Surgical Assistant who joined our office in January 2026 and began her dental career in 2020. She is dedicated to providing exceptional patient care and helping people regain their confidence by giving them their smile back. Oasis works closely with Dr. Madigan to deliver excellent results and support patients throughout their surgical journey.

Her favorite part of her job is being part of a great practice with even better patients. She truly enjoys working alongside Dr. Madigan and the rest of the team in a laid-back, inspiring environment where everyone is supported and valued. Oasis is extremely caring, patient, and passionate about making each patient feel comfortable and well-cared for.

Outside the office, Oasis loves spending time with her husband and son. She enjoys traveling and camping, where she values disconnecting from the daily routine and simply enjoying life with her family.

Rachel

Registered Dental Hygienist

Rachel is a Registered Dental Hygienist who joined our practice in the fall of 2025. She began her career in dentistry in 2006 and is a proud Californian who now loves her life in Tennessee. With 15 years of experience in general practice, Rachel has found her dream job in the specialized field of periodontics and truly loves what she does every day.

Rachel is bright, cheerful, and caring, and her patients consistently feel her genuine dedication to helping them achieve their best oral health. She’s a “yes person” who is always up for a challenge and loves working through problems to find the best solution for each patient’s specific needs. Her patients love her and trust her to guide them toward healthier smiles.

Rachel loves working with Dr. Madigan and the rest of the team, who she feels like family. Outside the office, she is an avid gardener, enjoys hiking in the Smoky Mountains, and loves spending time with her husband, who is a veteran and also her high school sweetheart.

Dena

Surgical Dental Assistant

Dena graduated from Aristotle College in Indiana and became a certified dental assistant in 1992. She joined our team in 2005 after working with several respected dental practices in Knoxville. With extensive knowledge and skill in periodontics and general dentistry, Dena brings a high level of expertise and professionalism to every patient interaction. She is an expert in post-operative care and patient education, helping patients feel at ease and cared for throughout their visit. Dena treats each person with respect, compassion, and kindness, and she deeply admires the hard work and dedication of Dr. Madigan and the entire team.

Outside the office, Dena enjoys reading, hiking, backyard birding, and spending time outdoors. She also loves taking long walks and playing frisbee with her adorable puppy, Grayson. Her greatest priority is spending time with her family.[Dena.jpg]

Hannah

Registered Dental Hygienist

Hannah is our bright shining periodontal hygienist that has a passion for serving patients that is as big as her smile! Hannah joined our practice in 2022, as part of our clinical team while she was finishing hygiene school. Hannah graduated at the top of her class.

Hannah's favorite part about being a hygienist is that she loves the feeling of being able to care for people. She has a great passion for educating patients on different oral hygiene techniques.

Melissa

Dental Hygienist

Melissa is a Dental Hygienist who joined our office in 2024 and began her career in the dental field in 2009. She brings extensive experience in general dentistry and has discovered a new passion for the specialized, exciting field of periodontics. Melissa takes the time to customize dental care for each unique patient, ensuring everyone receives personalized attention and treatment tailored to their needs.

She truly enjoys having fun while working with Dr. Madigan and the team in a positive, welcoming environment. Melissa is dedicated to treating every patient with care, patience, and compassion.

In her free time, Melissa loves watching movies, hiking in the Smoky Mountains, and enjoying the natural beauty of Tennessee.

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Anna

In Memoriam

We remember our charismatic and beautiful hygienist, Anna, who was an integral part of both Dr. James' and Dr. Mike's team since 1997. Anna deeply enjoyed the relationships she formed with our patients, many of whom she had known for over 20 years. Our prayers are with her husband Mike and their sons, Alex and Baylor. Our lives and the lives of our patients that were blessed to know Anna will be forever filled with Anna's sunshine and laughter.

Lily

Therapy Pup in Training and Perio Paw Patrol

Lily has been a fixture in our office on most days since Summer 2019 and is known for stealing lunches and hearts! She is a mix of half Border Collie and half Great Pyrenees from Young Williams Animal Shelter. Lily is a gentle reminder for all of us to be patient with ourselves and each other as she brings joy to our fun-loving (and dog-loving!) team. If you hear a bark, it might just be Lily talking to a bird from her home away from home in the kitchen. Please let us know if you'd like to meet her, she loves meeting new friends!