Matthew Lonier DDS “Dr Matt”

Dr. Matt is a comprehensive cosmetic and family dentist who takes pride in treating patients like his own family. He was born and raised in Jackson, Michigan. After graduating from Michigan State University, he completed his dental training at the University of Detroit-Mercy. Dr. Matt relocated to Phoenix to begin his dental career in 2008.

Since then, Dr. Matt has completed hundreds of hours of continuing education to expand his skills and offer the highest level of care for his patients. Dr. Matt is currently active with several local study clubs focusing on advanced restorative and cosmetic techniques.

The personalized care and attention to detail that Dr. Matt provides are truly exceptional. He takes the time to get to know his patients and form trusting relationships based on mutual respect and understanding of treatment options. This helps him customize treatment to best suit each patient.

When not at the office, Dr. Matt spends most of his time with his wife and two daughters. You might catch him watching his girls dance practices or cheering them on at dance competitions. He makes physical fitness a priority, starting his day in the gym, or practicing yoga. When time permits, he enjoys hiking the mountain preserves, cooking, and taking National Park road trips with his family.

Jeffrey Schmelter DMD “Dr Jeff”

Dr. Schmelter began his career as an administrator for a Northern Arizona not-for-profit
organization working with Developmentally Disabled adults. Realizing his clients’ lack
of dental education and oral health instruction, as well as a general lack of access to care,
he decided to provide instruction in basic oral hygiene and daily life skills. Soon after, his
clients began calling him “Dentist Jeff” and he quickly realized his true calling.

Robert Winkler DDS “Dr Bob”

Dr. Robert S. Winkler has been immersed in dentistry his entire life. Growing up in Scottsdale, he worked in his father’s dental and orthodontic practice, developing a deep appreciation for patient care. Now, with 37 years of experience as a general dentist, Dr. Winkler brings a passion for esthetic restorative solutions, smile design, and laser dentistry.

A graduate of Stanford University and Indiana University School of Dentistry, Dr. Winkler is committed to excellence in both patient care and team leadership. He believes in exceeding expectations and fostering a positive, caring atmosphere where patients feel valued and respected.

Beyond dentistry, Dr. Winkler leads an active life—playing competitive tournament softball, pickleball, and enjoying time with his French Bulldog and English Bulldog. As an International Koi Judge (Yes! the fish!!), he has traveled the world sharing his expertise. He also finds joy in faith, family, and lifelong learning.

Roxann, Office Manager

Roxann has been in the dental field since 2012. After earning her credentials as a Registered Dental Assistant (RDA), she began her career as a Dental Assistant before expanding her expertise into front office operations. While staying well-versed in back-office procedures, she broadened her leadership skills by managing teams across multiple specialties, including Orthodontics, Implants, Cosmetic Dentistry, Endodontics, Oral Surgery, General Dentistry, and Periodontics.
Passionate about the dental industry, Roxann is an active volunteer in the dental community and occasionally teaches as a dental assistant instructor at a local institute. Her commitment to patient care, team leadership, and industry growth drives her success in dental management.
Beyond dentistry, Roxann and her husband share a love for rescuing Rottweilers and have three at home. Two of them often join her on hikes at South Mountain during hiking season. She also enjoys DIY projects, extensive home cooking, traveling, and cheering on the Arizona Cardinals—win or lose. Having spent over 10 years living and traveling throughout Southeast Asia, she brings a unique, global perspective to her interactions.
Her diverse background allows her to connect effortlessly with others. Whether you have a question about food, travel, or dental insurance—she’s your go-to resource!

Diane, Front Office

Diane has also been in the dental field for over 20 years. She started as a dental assistant and later moved to the front office. She has worked with Dr. Alderette since 1994 when she moved to Phoenix from Southern California and is a great addition to North Central Family Dentistry.
In her spare time, Diane enjoys exploring Arizona with her family, enjoying all the outdoor activities it has to offer.