
Yamaguchi Family Dentistry
Our People
Behind every visit is a team that has helped make Yamaguchi Family Dentistry a trusted part of the South Sound for nearly 50 years. Our office staff, hygienists and assistants work alongside Dr. Garret Yamaguchi, Dr. Cheyne Horie and Dr. Stefanie Hamamoto to make sure every patient feels welcome, informed and well cared for.

Office Manager
With over 30 years of experience, she keeps the practice running smoothly, making sure every patient's visit goes as planned.

Office Supervisor
Oversees day-to-day operations and helps patients with appointments, billing and treatment questions. She is also an insurance expert and has over 20 years of experience.

Patient Care Coordinator / RDA
Often your first point of contact. She helps you schedule, explains your treatment plan and costs, and coordinates your care. She is also a Registered Dental Assistant.

Patient Care Coordinator
Often your first point of contact. She helps you schedule, explains your treatment plan and costs, and coordinates your care.

Hygienist
Provides professional cleanings, gum health checks and personalized home-care instructions. Think of her as your brushing coach.

Dental Assistant
Works chairside with our dentists, helps keep you comfortable during treatment, and makes sure you know what to expect at every step.

Dental Assistant
Works chairside with our dentists, helps keep you comfortable during treatment, and makes sure you know what to expect at every step.
Have a question for our team? Call us at (360) 943-9480, or stop by our office at 210 Pinehurst Dr. SW in Tumwater. We're always happy to help.
From Our Team to You
Our hygienists and assistants have put together answers to the questions we hear most — from fluoride facts to first-visit prep.
Read Our FAQGet in Touch
210 Pinehurst Dr. SW
Tumwater, WA 98501
Mon–Thu: 7:30am – 4:00pm
Fri: By appointment only
contact@yamaguchidds.com
© 2026 Yamaguchi Family Dentistry. All rights reserved.
210 Pinehurst Dr. SW, Tumwater, WA 98501