Douglas S. Mitchell, D.M.D


Dr. Mitchell graduated from Washington University School of Dentistry in 1982. He served as President of his dental class for two years, and was awarded the Otto W. Brandhorst Award for his outstanding leadership. He graduated in the top of his class.

Dr. Mitchell was born and raised in Alameda, CA, and returned to his hometown to start his practice and his family.



The Dentists
The Hygienists
DeAnn Mosbey, R.D.H.

DeAnn is a 1981 graduate of the Chabot College dental hygiene program. She has been working with Dr. Mitchell since 1985. Always keeping abreast of the latest that dental hygiene has to offer, she is a member of the American Dental Association, California Dental Hygiene Association, and East Bay Dental Association.

During her free time, she volunteers on the U.S. Hornet, is a board member of the Chabot Dental Health Education Fund Committee, gardens, and does needlework.  Most of all, she love playing with her grandsons.
Rebecca Peterson, R.D.H.

Rebecca earned the Sigma Phi Alpha honorary award upon graduating from Northwestern Dental School (Chicago) in 1978. She went on to earn a B.S. in Nutritional Science from U.C. Berkeley in 1985.  Rebecca has worked in periodontal offices and in the public health sector. She joined Dr. Mitchell's team in 1988.

Rebecca is a member of Phi Beta Kappa and the American, California, and East Bay dental hygiene associations.

Rebecca enjoys swimming, reading, volunteering, and spending time with her family.
Rosa Flores, R.D.A.

Rosa has been in the dental field for over seven years, completing the Dental Assisting Program at the College of Alameda in 2002. Shortly after, Rosa became a registered dental assistant (RDA). She spent four years in orthodontics, and for the past two years, Rosa has been working with Dr. Mitchell.

Rosa has resided in Alameda for over 20 years. She is fluent in English and Spanish. Rosa's love for helping people keeps her in the dental field. She aspires to continue her education and become a dental hygienist. In her spare time, she enjoys spending time with her nieces and nephews. Rosa is also an avid salsa dancer.
Aja Yuen-Riddle, R.D.A

Aja was born and raised in the Bay Area. She attended Bryman College, graduating with honors in 2002 with a degree in dental assisting. In 2004 she took the state board exam and became a registered dental assistant. Aja loves working with patients and hopes to further her career in the dental field.

In her spare time, she enjoys reading, going to the movies, spending time with family, and going to the gym. What she enjoys most is being at home with her husband and her little black Chihuahua, Shay.
The Dental Assistants
Office Management and Adminstration


WelcomeMeet the StaffDental ServicesTreatment ResultsContact Information

Dr. Douglas S. Mitchell
With his unique blend of artistic and technical skills, Dr. Mitchell has produced durable and aesthetic results for thousands of patients. As an established dentist who is dedicated to lifelong learning through frequent participation in continuing education courses, Dr. Mitchell has a firm grasp on the most innovative, minimally invasive new procedures available today.  

Dr. Mitchell is licensed by the Dental Board of California and is a member of the American Dental Association, Alameda County Dental Society, and California Dental Association.
With a combination of state of the art dental technology, sensible treatment plans, and genuine devotion to the unique needs of each patient, Dr. Mitchell preserves oral health, alleviates oral discomfort, and improves the appearance of smiles.  His commitment to staying on the cutting edge ensures that his patients always receive the latest, most effective treatments possible.

Rachel T. Fernsten, R.D.H.

Rachel received her Bachelors of Science in Dental Hygiene from Utah College of Dental Hygiene in 2010.  She is a member of the American Dental Hygiene Association, California Sental Hygiene Association, and the East Bay Dental Hygiene Association. February 2011, Rachel joined Dr. Mitchell's team and has loved being a part of the family.

She enjoys reading, running, and spending time outdoors with her husband and daughter.

Haydee Ascarrunz
Office Manager

(Profile in progress)
Taylor Mitchell Kent, D.D.S.

Dr. Kent received her Doctor of Dental Surgery degree at the University of the Pacific School of Dentistry, graduating with high honors. She is a member of two highly prestigious honor societies, Tau Kappa Omega and Omicron Kappa Upsilon, which select students distinguished by excellence in scholarship, while demonstrating exemplary traits of character. 

Dr. Kent was born and raised in Alameda. She attended Bishop O'Dowd High School, and received her Bachelors of Science in Molecular, Cellular, and Developmental Biology at the University of California, Santa Barbara.

Dr. Taylor Mitchell Kent

Dr. Kent is committed to volunteerism and service, both locally and abroad. She has participated in programs providing free dentistry to the homeless of San Francisco, and has also traveled to Jamaica to provide compassionate, free dental care to the vastly underserved Jamaican communities. Currently, she is committed to volunteering at a Veteran’s Memorial clinic in Grass Valley, providing care to veterans and active military patients and their families.

Dr. Kent is licensed by the Dental Board of California, and is a member of the American Dental Association, the California Dental Society, and the Alameda County Dental Society.

In her free time, Dr. Kent enjoys hiking, yoga, surfing, and spending time with her husband, Brian.