Meet Our Doctors
Thomas M. Mattern graduated from Creighton University School of Dentistry in 1988 (the same day his daughter was born). He has been a member of the American Dental Association and The Academy of General Dentists for 22 years. Dr. Mattern is a graduate of the Las Vegas Institute of Cosmetology program. He obtained his fellowship in the International Congress of Oral Implantologists in 2007.
Giving back to the community has always been a priority for Dr. Mattern. He has offered his office every year since 2003 to the ADA Give Kids a Smile program providing care to hundreds of disadvantaged children. His monthly visits to Saint Vincent DePaul’s dental clinic in downtown Phoenix and his on-going trips to the dental clinic in Atoyac, Mexico have been rewarding for both Dr. Mattern and the patients he served.
Dr. Mattern enjoys all aspects of dentistry and due to his many hours of continuing education is able to provide all forms of treatment including implants, complete smile makeovers, root canals, dentures, orthodontics (including Invisalign), and all restorative work.
Outside of work, his passion is golf and spending time with his wife and four children.
Dr. Tracy Mackey is originally from Wisconsin, but grew up in Phoenix. She graduated from Horizon High School in Scottsdale and then attended University of Arizona in Tucson. After completing dental school at Creighton University in Omaha, Nebraska, she moved back to Arizona. Dr. Mackey has been practicing general dentistry with Desert Dentistry since 2001.
In her free time Dr. Mackey enjoys running, shopping, and spending the day at the park with her boys.
Kristin Wade, DMD graduated from Arizona School of Dentistry and Oral Health in 2009. As a student, she organized various community projects, including renovating a local homeless shelter and initiating oral health training for nursing home staff. She has been a member of Special Care in Dentistry since 1998.
Prior to working as a dentist, she worked as a dental hygienist for eight years. She enjoys all aspects of general dentistry and emphasizes preventative dental care for her patients.
Outside of work, she enjoys volunteering in her son’s classroom and gardening.
Dr. Mayorga was born in Cheyenne, Wyoming but raised right here in Ahwatukee. She attended Mountain Pointe High School just up the road from Desert Dentistry Ahwatukee before moving on to attend the University of Arizona in Tucson. While busy at the U of A studying to receive a Bachelor of Science degree in physiology, Dr. Mayorga was a member of the cheer squad traveling with the football team and with the basketball team to the two NCAA tournaments. After her time in Tucson she spent six months studying abroad in Alicante, Spain before starting dental school in Colorado.
Dr. Mayorga received her Doctor of Dental Surgery degree from the University of Colorado School of Dental Medicine, and she believes that continuing education is vital to providing quality care to her patients.
Dr. Mayorga and her husband have been married just over three years, and have a mini shih tzu named Oso. Her and her husband are big sports fans, attending the majority of home Cardinal games and rooting on the Arizona Wildcats!
Dr. Ahmed Collins earned his dental degree from New Jersey Dental School in 2003. His undergraduate studies were completed at Morgan State University. After graduating from dental school, he completed a general practice residency at Monmouth Medical Center in Long Branch, New Jersey.
A native of Baltimore, Maryland, Dr. Collins moved to the valley with his wife, Tiffani, in 2007. He takes numerous hours of continuing education courses each year to stay current with the latest technology. He is a member of the American Dental Association, Academy of General Dentistry, Arizona Dental Association, and the National Dental Association.
His leisure activities include exercising, playing basketball, going to the movies, and spending time with his son, Chase.
Angelo Casagrande, DMD is a certified pediatric dentist who graduated from the University of Pennsylvania School of Dental Medicine in 1971.
He served with the U.S. Army for three years and achieved the rank of Captain. He received his degree in pediatric dentistry from Children’s Hospital of Philadelphia. Dr. Casagrande is also a member of the American Dental Association.
He enjoys working with children and believes in healthy smiles!
He is a member of the Arizona Dental Association (AzDA) and the American Academy of Pediatric Dentistry (AAPD).
When he is not practicing dentistry, Dr. Kerr can be found reading, playing with his young daughter, reading comic books, or playing basketball.
Dr. Andreina Ramones is originally from Boca Raton, Florida. She earned her bachelor’s degree in Molecular and Microbiology from the University of Central Florida. She continued her studies here in Arizona, graduating from the Arizona School of Dentistry and Oral Health. Immediately following graduation, she completed a one year residency program in Advanced Education in General Dentistry through Lutheran Medical Center. She is a member of the Arizona Dental Association, the Academy of General Dentistry, and the American Dental Association.
Dr. Ramones now calls Phoenix her home. She volunteers monthly at the St. Vincent de Paul pediatric dental clinic along with several other organizations. She is an advocate of serving her community and believes that continuing education is a way to better serve her patients. Being fluent in Spanish, she most recently worked with the Smiles for Life organization serving villages in the Dominican Republic. She enjoys working with children and advocates oral health education among children in her community.
In her spare time, Dr. Ramones enjoys keeping up with her cooking blog, traveling, and spending time with friends, family, and her wonderful dog, Halle Berry.
Dr. Jessica Villalobos is a native of Arizona and graduated from Arizona State University with a Bachelor of Science degree in Microbiology, Magna Cum Laude. 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 that are Top 10 in their class. Following graduation, Dr. Villalobos completed an Advanced Education in General Dentistry program through 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 embraces comprehensive oral care and will ensure your visit is pain and anxiety free. She never takes for granted the opportunity to improve and restore a patient’s oral health and of course, 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. Lara Clark
Dr. Lara Clark received her Doctor of Dental Surgery degree from the University of Michigan School of Dentistry in 2002. She has provided dental treatment in many different environments in Phoenix, Seattle, North Carolina and Wisconsin. Her clinical experience includes cosmetic smile makeovers, dentures,crowns, implants, root canals, fillings and extractions.
Dr. Clark has recently moved back to Arizona with her husband, Dr. Dorrance Clark, and their young son. She stays current in dental technologies and techniques by attending continuing education courses in different aspects of dentistry. She has been a long-time member of the American Dental Association.
In her free time, Dr. Clark has done several marathons, enjoys cooking and spending time with her family. As animal lovers, the Clarks have adopted several dogs from local animal shelters and she has been a member of the American Society for the Prevention of Cruelty to Animals since 2003.