Meet the Staff at our Union City Location

Decoto Dentistry Team

Dr. Herbert Chiu

Dr. Chiu has been a dentist in the Fremont/Union City area since 1985. He received his undergraduate degree with Honors from Oregon State University, School of Pharmacy and his D.D.S degree with High Honors from the University of the Pacific, School of Dentistry in San Francisco. He is very involved in the surrounding communities and has chaired and volunteered in many charity projects for health oriented non profit organizations as well as traveling around the world to provide dentistry to the underprivileged. He is the Health Committee Chair of the Citizens for Better Community and has served as a board member of the Mission San Jose Chamber of Commerce, American Cancer Society California Chinese Unit and Asian American Donor Program. Although Dr. Chiu has been in this country for most of his life, he is fluent in Mandarin, Cantonese and the Shanghai Chinese dialects. When he is not doing dentistry, he also enjoys live music, traveling and fine dining.

Dr. Ratna Sie

Dr. Sie was born in Surabaya, in the island of Java, Indonesia. She obtained her undergraduate degree in Biochemistry with Honors from Rutgers University in New Jersey and later graduated Cum Laude from the prestigious Harvard School of Dental Medicine in Boston in 1991. After finishing a year of dental residency program at the University of California in San Francisco School of Dentistry, she served as a clinical instructor at the UCSF Temporomandibular Disorder Clinic from 1992 until 1994. Prior to practicing in the Fremont and Union City area, Dr. Sie was in private practice in Berkeley from 1992 – 2002. Outside of dentistry, Dr. Sie devotes much of her time raising her two sons, volunteering at her sons’ schools and her church. She also enjoys gardening, flower arranging and cake decorating.

Dr. Phil Yu

Meet Dr. Phil Yu, a NorCal native who has spent most of his life in the East Bay. After acquiring his bachelor’s at University of California in San Diego, he attended Western University of Health Sciences college of dental medicine in Southern California, began treating patients in 2017 and received his doctorate in 2019. Dr. Yu has since worked in Fresno, Bakersfield, and Michigan before returning home to the Bay Area. As a compassionate and conservative dentist, he uses the latest techniques and technology to address his patients’ needs. Dr. Yu is fluent in Cantonese and English, and has also learned Spanish and Mandarin. When he’s not practicing dentistry, he enjoys exploring his interests in food, traveling, games, animals, and automotive.

Registered Dental Hygienists

Betty

Betty

Registered Dental Hygienist
Stephanie

Stephanie

Registered Dental Hygienist
Emilia

Emilia

Registered Dental Hygienist
Uma

Uma

Registered Dental Hygienist

Dental Assistants & Receptionists

Stephanie

Stephanie

Receptionist
Jennifer

Jennifer

Registered Dental Assistant

Mission Palm Dental

510-656-6868

43625 Mission Blvd. Suite 208
Fremont, CA 94539

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Decoto Family Dentistry

  510-471-3777

2701 Decoto Rd. Suite 4
Union City, CA 94587

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