Dr. Nancy Azizi

Dr. Azizi was born in New Mexico, and raised in California. She attended UC Davis for her undergraduate education and earned her Doctorate of Dental Surgery Degree from UC San Francisco in 1993. In 1997, she founded Vineyard Dental. To fulfill her commitment to excellence, she employed an outstanding dental team that is equally dedicated to her vision of excellence. In 2001, she collaborated with renowned architect Farhad Ashofteh to introduce Napa's one and only dental spa.

Dr Azizi has always kept herself at the forefront of advances in dentistry. To further her specialization in cosmetic dentistry at the highest level, she attended the prestigious "Las Vegas Institute for Advanced Cosmetic Dentistry" in 2004. Dr. Azizi has also taken extensive, post-graduate training at UCLA in the field of dental sleep medicine.

She is equally committed to a healthy lifestyle. As a Certified Personal Trainer she is dedicated to wellness and fitness. While being a mother to twin boys, she works-out regularly, hikes and eats organically. She has traveled extensively and enjoys photography. She is a fan of independent movies, spa treatments, good farm-to-table restaurants and gardening.  

General Dentist

Dr. Sunjae Jung

Dr. Jung, originally from South Korea, grew up in Santa Barbara. She received a B.S. Degree in Biology from the University of the Pacific and went on to earn her Doctorate of Dental Surgery from University of the Pacific, Dugoni School of Dentistry in San Francisco. 

She first gained interest in dentistry from her mother who is also a dentist and followed in her footsteps. She finds fulfillment in seeing her patients have healthy, beautiful smiles and is committed to providing patients with the most comfortable and highest quality of dental care. At home she loves cooking and playing classical piano.

General Dentist

Dr. Joseph Styger

Dr. Styger received his B.S. Degree in Business Administration from UC Berkeley. He received his Doctorate of Dental Science from Case Western Reserve University, Cleveland, Ohio, in 1981. He is active in continuing education and leading technology. In 2005, Dr. Styger joined the Vineyard Dental dentist. He quickly became popular for his sense of humor and pleasant personality. In addition to being an exceptional dentist, he is a great cook and enjoys vintage car restorations.    

General Dentist

Dr. Jordan Richert

Dr. Richert is a native of Phoenix, Arizona. He received his bachelor’s degree in biology from Arizona State University. He then continued his graduate education at the Arizona School of Dentistry & Oral Health, earning both Doctor of Dental Medicine (DMD) and Master of Public Health (MPH) degrees.

Dr. Richert then relocated to Dallas, Texas, completing his specialty training in periodontics and implantology at the Texas A&M (formerly Baylor) College of Dentistry. In addition to his certificate in periodontics, he also earned a Master of Science in Oral Biology (MS). Aside from serving as chief resident of his program, Dr. Richert also had to the opportunity to treat medically compromised children in the operating room at Children’s Medical Center of Dallas.


Following residency, Dr. Richert practiced in Seattle for several years. He most recently served as a full-time assistant professor in the clinical sciences department at the University of Nevada, Las Vegas, School of Dental Medicine. He is board certified by the American Board of Periodontology and is very passionate about periodontics and implantology. His interests include minimally invasive soft tissue grafting techniques and the use of autogenous blood concentrates (PRF/PRP) in surgical therapy.

Dr. Richert is thrilled to be living in Northern California. In his free time, he enjoys lifting weights, playing guitar, DJing, hiking, and kayaking. He is hoping to become an avid surfer!


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Memberships and Education

UCSF School of Dentistry

American Academy of Cosmetic Dentistry

California Dental Association

American Dental Association

Las Vegas Institute of Advanced Dental Studies

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