Dr. Mitoma was born and raised in Oakland, Ca. He graduated high school at the age of 16 and attended Pacific Union College in the NapaValley. He then relocated to Southern California and received his Dental Degree from Loma Linda University. Dr. Mitoma worked at a clinic in Stockton for a number of years, seeing thousands of patients and perfecting his root canal technique. In 1996 he opened up Arroyo Park Family Dental in Livermore. He was one of the first dentists in the Bay Area to offer CEREC crowns that could be milled at chair side. Dr. Mitoma loves what he does and enjoys staying up- to-date with the latest developments in dental technology. He is an extremely skilled dental practitioner and performs even the most complex procedures. He has a delicate injection technique and often receives compliments from his patients. His confident and gentle manner has allowed him to gain the trust of patients with dental phobias and help them overcome their fears. In fact, many patients who had once needed medication for dental-related anxieties no longer need the medication in order to have their dental work completed. In addition to being an extremely skilled dental practitioner, Dr. Mitoma enjoys the great pleasure of being married to Dr. Nakamura. It's no wonder patients feel like family when they come! The family owned and operated environment takes the impersonal clinic feel out of the experience, and leaves patients at ease and feeling more assured of quality care.

Dr. Mitoma is also a self-proclaimed audiophile and electronics junkie. If you need advice on purchasing a new video camera or plasma TV, he is the one to ask. Dr. Mitoma is also a dedicated sports fan, who is always rooting for his favorite teams:The Oakland Raiders, the Oakland Athletics and the Golden State Warriors. His other passion is cars and he spends countless hours reading automotive magazines. He is an avid runner who averages 35 miles/week and has even completed several marathons. He has also been a board member for the Pacific Crest Greater Swiss Mountain Dog Club since 1999. In addition, Dr. Mitoma demonstrates his musical abilities by playing the piano and singing in a men's choir. He has played in a rock band as lead vocals and keyboards. Edward completed his first ironman competition in May 2010.

Dr. Nakamura grew up in Southern California near Disneyland. She worked as the character "Snoopy" at the amusement park Knotts Berry Farm while attending Cal. State Univ. Long Beach. In 1991 she received a B.A. in Biology and started Dental school at Loma Linda University. During her schooling, she worked in the dental field as a dental assistant as well as a member of the front office staff. Before starting her own practice she gained experience and knowledge of the dental business by working in many different kinds of dental offices. After graduating, she relocated to Northern California, where she associated in practices in Burlingame and Berkeley, before buying the Tracy practice in 1999 with Dr. Mitoma,her husband and business partner. Dr. Nakamura is especially good with children. They are not intimidated by her small stature and are able to respond well to her. She has a number of patients who have been visiting her since the age of three and still enjoy coming to the dentist. Dr. Nakamura loves oral pathology and diseases of the mouth. She has taken an extensive amount of continuing education in this specialized field. Her injection technique is very gentle and many patients comment on how they didn't even feel it. She is excellent at diagnosing and finding problems before they begin to cause pain. Dr. Nakamura has been a certified fitness instructor since 1989 and has taught all types of aerobics (spinning, step, kickboxing). She currently teaches a hip-hop class at a private gym in Oakland. She also started playing the drums in 2002 and is now playing in an all girl band. In addition to spending two days a week practicing dentistry, Dr. Nakamura also manages the office, her rental property, her household and her daughter, Taryn. She loves animals and has two ducks and two dogs, Billy Jo Jim Bob the beagle and a bull terrier named Bhree. Her hobbies include traveling, dancing, biking and hiking. Her latest passion is cake decorating.

Dr Darren Wong is from Honolulu, Hawaii. He has a Finance degree from the University of Hawaii School of Business. After a few years of doing Bond Trading for an Investment/Trust company in Hawaii, Dr. Wong decided to return to school to fulfill his dream of becoming a dentist.  He graduated from the University of California at San Francisco in 2001. He practices General and Cosmetic Dentistry and is married to his classmate, Dr. Amanda Wilson, who is a practicing Orthodontist here in the Bay Area.  They reside in the East Bay with there two children, Evan and Olivia.

Kim is the newest addition to our practice. Raised in the bay area she has lived in Tracy since 1999 and loves it here.  She has worked in the dental field since 1991 and came to our office in 2010. Kim has worked in both general dentistry and oral surgery practices but prefers general dentistry because she is able to establish long term relationships with patients.  Her warm and caring personality makes patients feel very welcome and helps to alleviate the apprehension of their dental visit.  Kim is also very proficient in insurance billing and treatment plan presentation, so she will be able to help you utilize your benefits to the fullest.  

When she is not in the office, she enjoys spending time with her family and friends. Kim stays very busy with her three children, Kayla, Corin and Cameron.  They enjoy visiting amusement parks, snowboarding, baking and reading.

Karen has been a Registered Dental Assistant since 1988 and has been assisting at this practice since February of 1994. Licensed in Radiology, Coronal Polish, and Ultrasonic Scaler, and certified in CPR, she also has accumulated knowledge from working in all of the dental specialties including Orthodontics, Oral Surgery and Endodontics. Her many years of experience and her confident manner easily put patients at ease. Karen is one of the best assistants in the field and we feel rather lucky to have her as a part of our team. Having seen just about everything imaginable in dentistry, Karen is more knowledgeable about dental procedures than some dentists are. She is also responsible for ordering dental supplies and maintaining the equipment. Thus, she is always up-to-date on the latest in dental products. Patients love her for her expertise and professionalism. Karen graduated from Andon College in Stockton, CA in 1988. Now, in her spare time she enjoys camping, cooking and gardening, in addition to working out at the gym and having fun with her husband Craig, daughter Megan and dog Macy.

Emma grew up in Stockton and has been a Registered Dental Assistant for over 25 years. She has worked in our office since February of 1997. A dedicated worker, Emma attained her license for dental assisting without any formal schooling, but rather, through studying on her own and learning on the job. Her commitment has earned her a certificate in CPR, as well as licenses in Radiology, Coronal Polish and Ultrasonic Scaler. Emma is known for her kind and reassuring chair side manner. She also has a flair for working with children. Our most anxious patients often request Emma because of her patience and compassion. She prides herself on helping her patients feel as comfortable as possible. Emma always strives to learn more about dentistry and, due to of her inquisitive nature, is very well informed about the field. She enjoys taking continuing education classes to further her knowledge. She is particularly interested in Forensic dentistry. Emma's hobbies are interior decorating, gardening and playing softball. Emma and her husband Terence have two daughters, Kassi and Amber, and a Yorkie named Chloe.

Kim, who is originally from San Jose, graduated from Bryman College and has been a Registered Dental Assistant since 1991. She joined the staff in August of 2000, shortly after Dr. Nakamura and Dr. Mitoma bought the practice. In addition to holding licenses in both Radiology and Coronal Polish, Kim is also certified in CPR. She has a calm, easy-going manner that patients can often relate to. She is an excellent assistant who also demonstrates natural artistic abilities when creating beautiful temporary crowns. Kim has a congenial chair side manner, which allows her to bond with patients of all ages. She enjoys arts and crafts, as well as outdoor pursuits, shopping, home improvement activities and reading. Kim and her husband Chris have two children, Josh and Rachael, a dog KoKo and a cat, Chloe.

Kelli graduated from San Joaquin Valley College in Visalia, CA in 2004 with a degree in Dental Hygiene. She first became part of our dental team in September 2005, working one day each week, but since then, she has increased her time at the office to three days a week. Kelli's familiarity with the field of dentistry stems from her mother, who is also a dental hygienist and her father, who is a dental technician. She is certified in CPR and licensed in Radiology, Anesthesia and Soft Tissue Curettage. She is quite meticulous in her cleaning procedures and exceptionally thorough in her assessments of patients' gum tissue. She is excellent at screening for abnormalities within the mouth. Kelli and her husband Matt have 2 boys Dallin and Carson. In her spare time, Kelli enjoys scrap booking, traveling, and renovating and decorating her new home.

Deb graduated from Chabot College in Hayward, Ca. with a degree in Dental Hygiene. She has 31 years of experience in the field of dentistry, first assisting in the examination room as well as in the office, and then switching her professional focus to dental hygiene. Debbie has been a Registered Dental Hygienist since 1994 and has licenses in Radiology, Anesthesia and Soft Tissue Curettage, and a certification in CPR. When she joined our office in January of 2001, she brought with her plenty of spunk and energy. Her warm chair side manner has gained her a devoted following among our patients. Exceptionally thorough and conscientious with her work, Debbie is also able to offer suggestions for maintaining healthy gums without lecturing or preaching. In her spare time, she enjoys camping, swimming, vacationing in Mexico and reading. Debbie and her husband John have two sons, Matthew and Brandon, and two daughters, Amanda and Madeline, as well as a dog, Gizmo, and a cat, Stinky.