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About Dr. Diane E. Casey

Diane Casey, DDS, is a skilled general dentist known for her positive chairside manner and exceptional services at her private practice in Sunnyvale, California. Dr. Casey is a long-time resident of Santa Clara Valley and is proud to have served the local dental community for over 30 years.

Dr. Casey received her undergraduate degree in biochemistry from UC Berkeley in California. She went on to earn her Doctor of Dental Surgery degree from Creighton University in Omaha, Nebraska. She brings her extensive educational background to help patients resolve their dental needs.

With more than 15 years of experience in multi-dimensional dental services, Dr. Casey provides the latest care available in dentistry. In addition, she is a liaison to Community Relations and Membership Committees and an SCCDS delegate to CDA House of Delegates.

Dr. Casey stays active in her field and maintains membership with the American Dental Association, the California Dental Association, the Santa Clara County Dental Society, and the American Academy of Cosmetic Dentistry.

MODERN DAY DENTAL

We strive to use modern technology in order to promote ease and convenience for our patients. When you come in for a check up, we can show you first hand how your teeth look by taking high quality photos that are available to view immediately on our computer screens. Professional opinion, along with your personal preferences are all taken into consideration when we create your personalized treatment plan.

Modern technology in the dental field is top priority for Dr. Andrew Day. New technology and studies are presented everyday in dentistry. Dr. Day strives to learn and study the best of the best out of all that is offered. By frequenting seminars and continued education classes locally and nationally, only the best practices are considered when planning out each patient's treatment.

Meet Our Team    Meet Dr. Day

Aishwarya Kumar, DDS, is a dental practitioner in San Jose, California. At Aqua Dentistry, Dr. Kumar combines art and science to help her patients improve their self-esteem and overall confidence. She is passionate about providing high-quality, personalized care and treats her patients like family. 

Dr. Kumar completed her bachelor’s degree in dental surgery in India. She then received her Doctor of Dental Surgery (DDS) from the University of the Pacific Arthur A. Dugoni School of Dentistry in San Francisco, California. 

Dr. Kumar cares about the complete dental wellness of her patients and has a particular fondness for her younger patients. She believes in educating patients early and encourages good dental hygiene habits to last a lifetime. 

She's a firm believer in spending time on continuing education to provide better dentistry to her patients. Because of this, Dr. Kumar regularly attends conferences and meetings to learn the latest techniques and technology. She is an active volunteer at California Dental Association (CDA) Cares, and other local events, where she promotes oral health.

She is affiliated with the American Dental Association, California Dental Association, American Association of Pediatric Dentistry, and Santa Clara County Dental Society. 

Dr. Kumar has lived in the bay area for almost ten years and considers it home. She lives with her husband and their two toddlers. Outside of work, Dr. Kumar loves spending time with her little family!

Raoul Shah, DDS, is an experienced general dentist at Willow Glen Dental Center in San Jose, California. Dr. Shah is dedicated to making all of his patients happy and enjoys building long-lasting relationships with each of them.

Dr. Shah was born and raised in Michigan. He attended the University of Michigan in Ann Arbor for his undergraduate studies, where he majored in anthropology-zoology and biology. He was always interested in the medical field and ultimately chose to pursue dental school at the University of Michigan, where he graduated in 2000.

From 2000 to 2005, Dr. Shaw worked in various dental offices in Michigan, Virginia, and Georgia, before finally moving to California. Dr. Shah previously owned a dental practice in Fremont, California, for 10 years before selling it and partnering with Meridian Dental Associates in 2015, now renamed Willow Glen Dental Center. 

Dr. Shah enjoys all aspects of dentistry and has taken numerous continuing education courses throughout his career. He specifically studied the placement and restoration of dental implants and has experience treating full-mouth implant rehabilitation cases. Dedicated to providing stellar service, Dr. Shah has worked with various consultants to find ways to improve the doctor-patient relationship and  ensure his practice is headed in the right direction. 

When he’s not in the office, Dr. Shah spends most of his time with his family. His wife, Neha, and their three kids keep him very busy, attending boy scout events, gymnastics competitions, and various dance performances. He also enjoys visiting wineries, playing the occasional round of golf, and traveling.

Dr. Debra Westervelt is originally from Hemet, a small town in Southern California. In her early years of college, she found a passion in healthcare where she felt she could best impact her community and graduated with a degree in biology from La Sierra University at the top of her class. She then earned a doctorate degree at the acclaimed University of California, San Francisco.

Dr. Westervelt loves every aspect of dentistry and worked as a general dentist in the Napa area for several years. She enjoyed working closely with many specialists and collaborating in changing people’s lives. She was heavily involved in study clubs and advanced continuing education and became inspired by the specialists she had the opportunity to work with.

Fascinated with the connection between oral and systemic health and determined to further her education, Dr. Westervelt obtained her specialty certificate in periodontics from the University of Illinois at Chicago.

Dr. Westervelt is passionate about helping her community by improving each patient’s overall health through ideal periodontal health. She understands the importance of comprehensive dental care and working closely with other experts in both dentistry and medicine. Her unique point of view as both a general dentist and a periodontist allows a broad understanding of her patient’s wants and needs. Patient care is Dr. Westervelt’s top priority, and this sentiment is felt by each patient she treats.

In her free time, Dr. Westervelt enjoys hiking, camping, and bike rides with her dog Jake. She enjoys gardening and cooking with her husband, Reed.  She loves the Bay Area and enjoys exploring the surrounding ocean, mountains, and towns whenever she has the opportunity.

Roge Jacob, DDS, is a skilled family and cosmetic dentist who has been providing quality dental care since 1994. Dr. Jacob currently serves patients at Hillsdale Dental Care in San Jose, California. 

Dr. Jacob grew up in suburban Chicago, Illinois. He completed his pre-dental degree requirements at San Jose State University and received his dental degree from Northwestern University in Chicago.

Patients recognize Dr. Jacob for his outstanding patient care. He provides high-quality restorative, cosmetic, and preventive dentistry services in a relaxing and comfortable environment. Dr. Jacob continually enhances his skills through continuing education classes and the most recent advances in dentistry. He is a member of the American Dental Association, the California Dental Association, and the Santa Clara Dental Association.

Dr. Jacob and his wife have two children, daughter, Olivia and son, Ilias. He also owns a 100-pound Bouvier named Niko. During his time away from the office, he enjoys mountain biking, playing drums and fly fishing. He has established an 82-gallon salt water reef tank with numerous invertebrates in our office.

Magdalena Azzarelli, DDS, is an experienced cosmetic and family dentist at Hillsdale Dental Care in San Jose, California. Dr. Azzarelli has been practicing at Hillsdale Dental Care since 1997, providing her community with high-quality, patient-centered care.

Dr. Azzarelli received her dental degree from the Medical University of Silesia in Poland in 1994. Upon relocating to California, Dr. Azzarelli successfully completed the California State Dental Licensure examinations. She is highly skilled in endodontics, dental implants, cosmetic dentistry, as well as all aspects of general dentistry. Dr. Azzarelli is a member of the American Dental Association, California Dental Association, and the Santa Clara County Dental Society. She is also part of Biomet's Synergy Implant Study Club.

A strong believer in patient education, Dr. Azzarelli spends extra time with her patients and thoroughly explains their treatment options. She is patient and understanding, and puts her clients at ease with her gentle approach.

When not practicing dentistry, Dr. Azzarelli enjoys gardening, gourmet cooking, and traveling with her husband, Peter, and their son, Ian. Dr. Azzarelli is passionate about Animal Rescue. She owns 2 rescue pets herself, her dog, Snowy and cat, Maurice.

Oz Simel, DDS, MD, is a dual degree oral and maxillofacial surgeon. He is dedicated to providing patients in San Jose, California, and the surrounding areas with comprehensive dental care.

After graduating from Loyola Marymount University in Los Angeles with his undergraduate degree, Dr. Simel earned his dental degree from the University of California, San Francisco (UCSF). While at UCSF, he discovered his passion for oral and maxillofacial surgery and ventured down to Southern California, where he attended the University of California, Los Angeles, and spent six years in residency obtaining the skills and medical knowledge essential to the field. 

Dr. Simel offers a wide range of dental surgeries and procedures. He ensures patients understand their options and answers any questions they have.