Dr. Corey Mullen

Spring Lake
Dr. Mullen

Dr. Corey Mullen is a proud native of Fayetteville, NC. After graduating from Terry Sanford High School, he attended The University of North Carolina-Chapel Hill for both undergraduate and dental school. He achieved his DDS degree from the renowned program in 2011.

Dr. Mullen was honored to return home to serve our veterans while completing an Advanced Education in General Dentistry residency at the Fayetteville VA Medical Center. This program was awarded the first perfect score in the nation by the American Dental Association accreditation committee during the year of his residency.

Dr. Mullen co-founded CarolinasDentist and has led our Spring Lake practice since its opening in 2013. With his advanced training and commitment to continued education, Dr. Mullen takes pride in being able to provide his patients with utmost care and expertise, all while using the latest in dental technology. He has a passion for helping his patients achieve beautiful, functional smiles in a compassionate, comfortable environment, with personalized attention to each patient’s specific needs.

Outside of work, Dr. Mullen loves spending time with his high school sweetheart wife, and their two fun-loving children. He still plays in a competitive soccer league with his childhood friends at Fayetteville Soccer Club, loves to play golf, snow ski, and visit Holden Beach. The Mullen family actively attends Manna Church.

Dr. Mullen is a member of the American Dental Association, Academy of General Dentistry, and North Carolina Dental Society. He loves giving back to his great community through volunteering at the Care Clinic and Missions of Mercy.

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Andrew Callender

Andrew Callender

Regional Director of Operations

Andrew Callender was born and raised in Denver, Colorado, and serves as one of our Regional Directors of Operations at CarolinasDentist, focusing on our Western NC and Charlotte regions. He joined the leadership team in 2025 and earned his degree from Western Colorado University. Andrew brings over 12 years of experience in dentistry, including more than 10 years of progressive leadership in healthcare operations and three years serving as a Regional Director of Operations. He relocated to North Carolina in 2023 and has quickly made an impact across the region.

Andrew is passionate about delivering outstanding patient care through operational excellence. He is committed to fostering an environment that aligns with CarolinasDentist’s values and culture while leveraging diverse perspectives and experiences to support team success and growth. His leadership style is rooted in collaboration, consistency, and continuous improvement.

Outside of work, Andrew enjoys spending time with his wife and their four children. He’s an avid golfer and also enjoys walking his lab, Harper—making the most of his time outdoors with family and fresh air.

Nate Bunyak

Nate Bunyak

Regional Director of Operations

Nate Bunyak brings a little bit of Pittsburgh grit and a whole lot of energy to everything he does. He is one of the Regional Director of Operations at CarolinasDentist focusing on our Triangle region, joining the team in 2026. Originally from Pittsburgh, PA, Nate graduated from Indiana University of Pennsylvania (IUP) with a degree in Marketing and Management—and has been putting both to work ever since. Three years ago, he traded in steel city winters for North Carolina sunshine—and hasn’t looked back.

When he’s not working, Nate is all about family life with his wife, Melissa, and their three kids—Bryce, Molly, and Connor. Whether cheering on their activities, exploring the outdoors, or simply embracing the joyful chaos of a busy household, he makes the most of every moment with his family.

An avid hiker and nature enthusiast, Nate loves adventures that combine fresh air, beautiful views, and lasting memories. That same adventurous, positive spirit carries into his work—he’s driven, all-in, and always ready to take on what’s next.

Jenna Holland

Jenna Holland

Regional Hygiene Director

Jenna Holland is a Fayetteville native and serves as Regional Hygiene Director, joining the leadership team in 2026. She began her career with CarolinasDentist in June 2016 as a dental hygienist in the Fayetteville office after graduating from Fayetteville Technical Community College. Over the years, she has grown within the organization, building strong relationships with both patients and team members while staying rooted in her passion for patient care.

Jenna is deeply committed to promoting overall well-being through oral health and believes in the powerful connection between a healthy smile and a healthy body. In her leadership role, she especially loves mentoring and coaching hygienists, helping them grow in confidence, strengthen their clinical skills, and develop into exceptional providers. She takes pride in supporting her team and fostering an environment of continuous learning and encouragement.

Her best advice for patients is simple: stay consistent with routine check-ups and cleanings to maintain optimal health. Outside of the office, Jenna enjoys traveling—especially to warm, tropical destinations—and is engaged to her high school sweetheart, adding a personal touch to her passion for caring for others.

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