Monday - Thursday - OPEN

Early appointments available


14715 Bel Red Road Suite 200

Bellevue, WA 98007

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Dr McDonald and Staff

We’re a team professionals devoted to handle all your dental needs.

William McDonald

Doctor of Dental Surgery

Dr. McDonald has been practicing in the Bellevue area for over 25 years. He was born in Seattle, attended West Seattle High School and then graduated from Brigham Young University in Provo, Utah in 1980. Dr. McDonald graduated from the University Of Washington School Of Dentistry in 1984 and then completed a general practice residency at Loma Linda University in California. Dr. McDonald practices general dentistry focusing on personal relationships.

Dr. McDonald raised his six children here in Bellevue and currently has twenty three grandchildren. When not improving smiles and lives he is actively involved in family activities, the outdoors, community organizations, church and youth groups and coaching youth athletics.

In 2009, Dr. McDonald traveled to Uganda, Africa with his wife, Diane, and four of their children to provide a week-long dental service mission. He also ventured to Guatemala in 2012. Whether in Bellevue or foreign countries, Dr. McDonald maintains a contagious love and excitement for life and providing quality dental care.

CDA, Assistant

Karinne has had a lifelong interest in dentistry. She joined our team in 2001 while completing her Bachelors Degree at the University of Washington. Her favorite part of being a dental assistant is getting to know our patients and their families. Karinne is married and keeps very busy with her energetic young son.

Office Manager

Mary has always been the quick wit in our office ever since she joined over fifteen years ago. She is our office manager and insurance specialist and will help you move through the activities of treatment smoothly. Nothing pleases her more than being able to recognize patient voices on the phone and share a good laugh. She enjoys baseball, Husky football, entertaining and vacations.



Scheduling Coordinator

Trina can be found doing a variety of duties in our office, from scheduling appointments to assisting Dr. McDonald chairside. She joined the office in 1993 bringing over fifiteen years of dental experience. She enjoys getting to know all of our patients and looks forward to catching up with them at their return visits.




Steve has been with Dr. McDonald for over ten years and went to Lake Washington Technical College and the Univeristy of Washington for his training. He loves all Do It Yourself projects for his home and garden and is the office's biggest sports fan. He enjoys hiking, gardening, cooking and riding his motorcycle.




Robyn has been a hygienist for ten years and loves working with people. She brings and added element to the office in that she has a certified service dog Lilly that accompanies her to work. Lilly loves to sit on patient's laps to calm any nerves or jitters. When not working Lilly sits quietly in her corner waiting to be called.



Office Dog

Lilly is a registered Therapy Dog that belongs to our hygienist, Robyn. Lilly has undergone extensive training to help with anxious feelings and general uneasiness in the dental environment. She is a very soft, fluffy non-shedding hypoallergenic poodle that barks to say hello, and is very excited to come to work each day. She is happy to sit on your lap and be petted as your teeth are cleaned to help calm nerves, and if time allows is a great show-off and delights in performing her tricks.

New Patient

During the first visit, we make sure to obtain important background information and give you time to get to know your doctor.