Meet Your Phoenix Dental Team
Dr. Thomas M. Mattern
Dr. Mattern has been practicing dentistry in Phoenix since 1991. He graduated from the Creighton University School of Dentistry in 1988 and has been developing his professional skills as a general dentist ever since!
Giving back to the community has always been a priority for Dr. Mattern. He has opened our offices to the ADA Foundation’s Give Kids A Smile every year since 2003, helping provide care to hundreds of disadvantaged children. He also visits the St. Vincent de Paul Dental Clinic in downtown Phoenix every month and has made multiple trips to Atoyac, Mexico to provide care for people in need. Dr. Mattern is a firm believer in creating a culture of healthy, happy smiles for everyone!
Dr. Mattern has been a member of the American Dental Association and The Academy of General Dentists for 22 years. He has furthered his education and practice through the Las Vegas Institute of Cosmetology and a fellowship in the International Congress of Oral Implantologists.
Due to his many hours of continuing education, Dr. Mattern is able to provide all forms of treatment including implants, complete smile makeovers, root canals, dentures, orthodontics (including Invisalign), and all manner of restorative work.
When not working hard to perfect smiles in the Phoenix area, Dr. Mattern enjoys golf and spending time with his wife and four children.
Dr. Ahmed Collins
Dr. Collins earned his dental degree from New Jersey Dental School in 2003 after completing his undergraduate studies at Morgan State University. After graduating from dental school, he completed a general practice residency at Monmouth Medical Center in Long Branch, New Jersey.
Dr. Collins is a dedicated dental professional, attending countless hours of continuing education courses each year. This has made him an invaluable asset to our practice and to our patients! He is a member of the American Dental Association, Academy of General Dentistry, Arizona Dental Association, and the National Dental Association.
A native of Baltimore, Maryland, Dr. Collins moved to the Phoenix valley with his wife, Tiffani, in 2007. When not helping our patients or learning about the newest dental technologies and techniques, he enjoys playing basketball, going to the movies, and spending time with his son, Chase.
Dr. Mark Haley
Dr. Haley was born in New York but grew up here in the Phoenix valley. He received his Bachelor of Science from The University of Arizona and returned to New York to study dentistry at New York University. Dr. Haley is a strong proponent of a multi-disciplinary, holistic approach to optimum care, which means giving patients choices and solutions that represent the best outcome for their overall dental health.
Dr. Haley and his wife, Liz, said goodbye to Phoenix for eight years to fulfill a lifelong dream to sail around the world. Despite leaving home behind, dentistry came along with them on the journey. Their boat was outfitted with a full dental care delivery system, and Dr. Haley became certified to practice dentistry in both New Zealand and Australia! No matter where he is, dental care is in Dr. Haley’s blood!
Dr. Haley has also brought his experience and compassion to places as remote as small fishing villages in Mexico, aboriginal settlements in Australia’s outback, and remote anchorages in the South Pacific. While the venues may change, Dr. Haley’s attention to his patients’ help, safety, and individual needs is always the same!
Dr. Kristen Maryorga
Born in Wyoming but raised in Ahwatukee, Dr. Maryorga has been an Arizonian ever since! Dr. Maryorga had a busy college career at the University of Arizona in Tucson. While working on a degree in physiology, she was also a member of the cheer team that traveled with football and basketball teams. She even cheered the Wildcats in two NCAA tournaments!
Dr. Maryorga attended dental school at the University of Colorado School of Dental Medicine, where she earned a Doctor of Dental Surgery degree. She continues to further her education and believes that quality patient care can’t be achieved without constant learning!
Outside of work, Dr. Mayorga enjoys spending time with her husband and their miniature shih tzu, Oso. She and her husband are big sports fans, attending the majority of home Cardinal games, and of course rooting for the Arizona Wildcats!
Dr. Jerome Triolo
Dr. Triolo was born in New York City and lived in New York for most of his life. He spent his undergraduate and dental school education at the State University of New York in Buffalo and opened his practice soon after.
With 21 years of practice in New York behind him, Dr. Triolo finally decided it was time to move to a warmer climate, and he soon found himself in Phoenix practicing at Desert Dentistry!
A strong proponent of continuing education, Dr. Triolo has countless hours of clinical and educational experience in all aspects of general and cosmetic dentistry, as well as having extensive knowledge of sleep apnea treatments. He is also a strong proponent of giving back to the community, and he has done so through more than 13 years of service on the Board of Education, Lions Club, Jeffersonville Area Chamber of Commerce, and of course through his great patient results!
Dr. Triolo has been married to his wife, Karen, for more than 40 years. They have three daughters, Nicole, Samantha, and Natalie, and a grandson named Cooper. When he isn’t working hard to perfect our patients’ smiles, Dr. Triolo enjoys skiing, snowmobiling, golfing, trains, gemology, and spending time with his family.
Dr. Jessica Villalobos
Dr. Villalobos is a native of Arizona and graduated Magna Cum Laude from Arizona State University with a Bachelor of Science degree in Microbiology. She earned her Doctor of Dental Surgery degree from the University of Colorado and was awarded membership into Omicron Kappa Upsilon, a National Dental Honor Society honoring exceptional students who are in the Top 10 of their class.
Following graduation, Dr. Villalobos completed an advanced general dentistry education at the Lutheran Medical Center. In this residency, she was able to work side-by-side with specialists to advance her training in all aspects of dentistry including cosmetic dentistry, periodontics, endodontics, oral surgery, and removable prosthodontics.
Dr. Villalobos is dedicated to perfecting her skills as a dentist and providing excellent care for her patients. She advocates for comprehensive patient care and works hard to ensure your visit is pain free and anxiety free. She never takes for granted the opportunity to improve and restore a patient’s oral health and provide them with a beautiful smile!
Dr. Villalobos and her husband, Sam, enjoy spending time with family and friends, trying new restaurants, and backpacking throughout the Southwest. Their newest addition is a Pomeranian puppy named Scout.
Dr. Onika Patel
Dr. Patel grew up in Arizona and has lived all over the valley. After attending Arizona State University, she earned a Master of Public Health degree to complement her passion for preventive healthcare and serving her community. She was thrilled to stay in Arizona and attend her top choice dental school, the Arizona School of Dentistry & Oral Health in Mesa, Arizona. She completed an Advanced Education in General Dentistry (AEGD) Residency in Phoenix in order to be able to provide more comprehensive and specialty care to her patients.
Dr. Patel holds leadership positions in several dental organizations. She is a member of the Arizona Dental Association and American Dental Association and a board member of the Arizona Academy of General Dentistry. Dr. Patel enjoys giving back—in her spare time she travels around the nation mentoring students and presenting on leadership and professional development topics to her peers. She continues to volunteer at many community events, including treating US Veterans and the homeless population of Phoenix at CASS Dental Clinic.
Out of the office, Dr. Patel enjoys spending time with her husband and two pups, Lola and Buddy. Together, they love to cook, travel, and explore new restaurants and events around the valley. If you have any great recommendations, she would love to check them out!
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