Dr. Biagiotti has owned and operated a private practice in Tustin since 1997. He was born and raised in Orange County, CA and a proud Foothill High School graduate. Dr. Biagiotti attended his undergraduate education at Pitzer College, a distinguished member of the Claremont Colleges in California. After receiving a bachelors degree in biology, he obtained a doctoral degree in dental surgery from the University of Pacific, School of Dentistry in San Francisco.  His postgraduate work consists of a General Practice Residency in Dentistry at Loma Linda Veterans Hospital. He received his fellowship in hospital dentistry from the American Association Hospital Dentists. Later, he completed a Master’s Degree in Public Health Administration from Loma Linda University. 

His philosophy is to provide quality dental care in order for his patients to enjoy the benefits of good oral health. With advances in early diagnosis of dental disease, including decay and gums disease, he is able to provide patients with optimal care.
Michelle- RDA, Office Manager


Michelle graduated from Manila Central University in 1996.  She has been working with Dr. Biagiotti, DDS since 1998. She lives in Irvine with her husband and three children. In her spare time, she enjoys reading, cooking, biking, and hiking with her children.

Meet Our Friendly Dental Staff

Meet Dr. Guy R. Biagiotti 

About Us

Rev- RDA, Back Office Coordinator 


Rev graduated from Manila Central University in 1996. He has been working with Dr. Biagiotti, DDS since 1999. He lives in Irvine with his wife and three children. In his spare time, he enjoys playing basketball, bike rides and watching his children compete in swimming and Tae Kwon Do. 

Debra- RDH, Dental Hygienist

Debra attended the University of Minnesota and received a bachelors of science, in management, from Pepperdine University. She lives in Newport Coast with her husband and two daughters. In her spare time, she enjoys running, taking pilates classes, going to the beach with her girls, and playing with their new puppy, Daisy.