About us / Office tour

About us

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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. Dr. Azizi’s sense of design, and appreciation for beauty and esthetics, are apparent throughout her office and in her dentistry. In 2001, she commissioned architect Farhad Ashofteh to renovate her first office into a spa-like environment. To further her specialization in cosmetic dentistry at the highest level, Dr. Azizi attended the prestigious Las Vegas Institute for advanced cosmetic dentistry in 2004. She has always kept herself at the forefront of advances in dentistry. Again in 2012, she collaborated with architect Farhad Ashofteh to introduce Napa's one and only dental spa. She is equally committed to a healthy lifestyle at home. 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 restaurants and fun ski trips.  




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.        





westervelt1Dr. Debra Westervelt

Dr. Westervelt grew up in a small town in Southern California. She graduated at the top of her class from La Sierra University with a Bachelor of Science degree in Biology. During this time, she developed a strong passion for healthcare where she felt she could have a positive impact on her community. She pursued dentistry at the University of California, San Francisco where she earned her Doctorate of Dental Surgery.  Dr. Westervelt is dedicated to providing her patients with personalized, high quality dental care in a comfortable and caring environment. She strives to create an open, interactive relationship with her patients to not only receive the care they need, but also to build a foundation of trust and knowledge to maintain a lifetime of optimal oral health. She makes children feel very comfortable and enjoys pediatric dentistry.   Outside the office, she enjoys the outdoors including camping, biking, snowboarding, swimming, gardening, and cooking.




ultimaDr. Christina Gasper (Periodontist)

Dr. Gasper is a specialist in Periodontics with extensive training in periodontal therapy, cosmetic surgery, pre-prosthetic surgery and dental implant therapy. Dr. Gasper received her Bachelor of Science in Molecular, Cell, and Developmental Biology from the University of California, Los Angeles (UCLA). She then proceeded to earn her Doctor of Dental Surgery degree (DDS) from New York University (NYU). Prior to completing her 3-year post-doctoral specialty training in Periodontology at the University of California, San Francisco (UCSF), she also finished one year of General Practice Residency working with medically compromised patients. During her surgical training, she also obtained her Master of Oral and Craniofacial Sciences at UCSF. She is a diplomate of American Board of Periodontics. Dr. Gasper believes in strong communication in order to provide comprehensive patient care though team approach. She combines the latest treatment ideas with extensive knowledge and experience to ensure quality patient care.  



Dr. Sheri Bernadett (Endodontist)ultima

Dr. Bernadett was raised in Nevada City. She went on to complete her undergraduate studies at UC Davis majoring in Enology which is the science of winemaking. She worked for a short period of time in the wine industry. Family life re-routed her to the Big Apple (NYC) where she began to pursue her long held passion for science and health care. She graduated in the top 5% of her dental class from New York University in 1989. She moved to Massachusetts and completed her post graduate and professional training in 1991 at Boston University. At Boston University she completed her Masters of Science in Dentistry in addition to her CAGS (certificate of advanced graduate studies). She went into private practice 18 years ago and has stayed committed and active in her professional associations including the AAE and CDA. She spent some time teaching endodontics to young dentists in training at UCSF. She is constantly participating in continuing education beyond the required number of hours to stay current in the ever changing world of dental science. She has volunteered in clinics in Mexico and locally in the charity, Dentistry From The Heart. "I enjoy giving back to the community which I love so much. My passion is helping others achieve and maintaining excellent dental health."  



 final patty60Dr. Patricia Ramos (Dental Anesthesiologist)

 Dr. Patty Ramos is a Hospital Trained Board Certified Dental Anesthesiologist and Dentist whose compassion for her patients is her  top priority. Educated at Loma Linda University School of  Dentistry, Dr. Ramos has years of experience providing a safe,  comfortable dental experience for patients from toddler age through adulthood. She customizes a treatment plan for each patient,  working alongside pediatric dentists, periodontists, endodontists, oral surgeons, and general practitioners to deliver positive and  effective solutions to eliminate the fears associated with dental  procedures. Dr. Ramos specializes in general anesthesia, pain  management, oral sedation, and conscious sedation.