About Us

Prewitt Dental

We’re committed to providing you with excellent dentistry in a comfortable environment. You deserve a skilled, experienced dental team that can help you ensure great oral health. Experience what patient-centered care can do for you. We welcome new patients to our dental office in Sanger, CA.

Our Team

Meet Our Professional Team

Randy Prewitt, DDS

Dr. Randy Prewitt graduated from Loma Linda University School of Dentistry in 1982. He now has over 40 years of experience in general dentistry. Over the years, Dr. Prewitt has diversified his knowledge in implantology and orthodontics. He took a five-year orthodontics course and has had over 500 hours of continuing education in implantology. Dr. Prewitt moved to Sanger, California, in 2004 and has been serving the community with his commitment to compassionately providing quality and comprehensive care. He has also served in the Fresno Madera Dental Society for many years, serving a term as the organization’s president. He and his wife, Heidi, have been married for over 40 years!

Timothy Prewitt, DDS

Dr. Timothy Prewitt attended Loma Linda University School of Dentistry, where he obtained his doctorate in dentistry and a master’s in bioethics. His passion for innovation and quality care has a great deal to offer to our dental practice in Sanger, CA, as you may notice with the developments and new equipment being added. Dr. Prewitt continues to diversify his knowledge and skills through extensive continuing education. He obtained his certificate in implant dentistry from the American Academy of Implant Dentistry. He continues to develop his abilities as a member of the Spear Institute. During his time in dental school, Dr. Prewitt served as the spiritual VP for his class and chaired the Spiritual Guidance committee at the Loma Linda University School of Dentistry. He has taken up the call of Loma Linda to “Make man whole” and is dedicated to increasing the oral health of his patients. While in dental school, Dr. Prewitt received the Oral Health Foundation award for “Outstanding Dental Student Leadership and Academic Achievement,” as well as the 2017 Alumni Association Student of the Year award. With Dr. Timothy’s drive for innovation and ethics and Dr. Randy’s experience and compassion, you could not be in better hands.


Quincy Sofowora, DDS

Dr. Quincy Sofowora is a dedicated dentist practicing in Fresno, California. She obtained her Doctorate of Dental Surgery (DDS) in Europe in 2017 and holds licenses to practice dentistry in California, the EU, and the UK.

Her commitment to dentistry is evident through her ongoing dedication to staying current in the field. She actively participates in dental continuing education courses worldwide, presenting at conferences, and avidly reading dental literature.

Dr. Quincy is a compassionate dentist that is dedicated to her patients and cares about their concerns and fears.

Outside of her office hours, Dr. Quincy finds joy in staying active, whether it’s through outdoor activities like jogging and skiing or hitting the gym. She also has a passion for reading fictional novels, cooking, traveling, and cherishing quality time with her loved ones.

Michele Linnenkohl, RDH

She takes her commitment to patient-centered care seriously and is willing to take the time and effort it takes to provide the professional gum treatments and cleanings that your teeth require. There are few areas in dentistry that are more important than prevention, and we are very blessed that Michele has been such a faithful employee and colleague over the years.

George Rodriguez, RDH

George is a long-time Valley native and grew up in Reedley. He has been in the dental field for many years, first in office management, where he worked for over eight years. In 2015, George attended San Joaquin Valley College, where he obtained his degree in dental hygiene. He has had extensive training through the Las Vegas Institute for Advanced Dental Studies and has a special dedication to patient education and oral health. George has three children and enjoys sports and an active lifestyle. We are so happy to have welcomed him to our team in November 2021.

Leanna Maldonado, Front Office Manager

Leanna has been an assistant for Dr. Randy Prewitt for well over 10 years. We have appreciated her loyalty and dedication very much! She has been there through thick and thin and the back office would function very poorly without her. Leanna is a Sanger native and has lived here her whole life. Many of you know her well and can attest to how personable and good natured she is. We feel blessed to have her on our team!

Jasmine Moreno, RDA

Jasmine is one of our amazing dental assistants. She is Leanna’s cousin and has also lived in Sanger her whole life. When Jasmine was going to school for dental assisting, she did her internship at our practice, and now, several years later, she is a member of our team. We are very lucky to have team members who are all easygoing and eager to make the practice a success; Jasmine is no exception! In 2019, Jasmine completed her certification and became a Registered Dental Assistant. We are very proud of her dedication and hard work.

Maribel Medina, Office Manager

Maribel has been working with Prewitt Dental for over 6 years, and in that time has proven her dedication to providing patients with the best experience possible. Her kind, caring and upbeat personality make her such an awesome person to work with. From explaining benefits and treatment plans, to leading the team in providing an excellent patient experience, she is an invaluable part of what makes Prewitt Dental so great! We are so blessed to have her as our Office Manager!

Teresa Hernandez, Billing Specialist & DA

Teresa is one of our most versatile team members! From processing claims, dental assisting and making retainers and night guards, she applies herself 100% to any task that comes her way! Teresa is also involved in our social media department and has a passion for making videos and creating unique and engaging content! We couldn’t do what we do without Her!