William M. Bethel DDS, PS,
"Dr. Bill"

Dr. Bethel was born in Kansas and grew up in the Tukwila area. Following his graduation from Foster High School, he received a Bachelor of Science degree in zoology, and then a Doctor of Dental Surgery from the UW School of Dentistry. He has been an instructor at the UW Dental School and is an active member of the King County Dental Society. He enjoys his two sons and supporting them in their various endeavors. 


Tanya, Office Manager/CDA

Tanya grew up in Renton and graduated from Renton Technical College with a degree in Dental Assisting. She received such awards as Business Student of the Year which reinforced her love of helping patients in the business as well as clinical settings.  She has been a part of Dr. Bethel’s team since 1988. Outside of the office she enjoys traveling to warm sunny places, gardening and spending time with her family.



Kelly, CDA/RDA

Kelly was born in San Luis Obispo, California and raised in the Pacific Northwest since age two. Attending Clover Park Vocational College, Kelly pursued her interest in dentistry and graduated with the distinction of “Outstanding Dental Assistant” and Valedictorian of her class in 1979. She then obtained an Associate’s degree in Business and Human Relations in 2006. Kelly has been a valuable member of Dr. Bethel’s team for over 30 years and is proud of the ongoing care and quality that Dr. Bethel’s office provides. Working with several generations of family members, Kelly feels a tremendous bond with her patients. 


 Karen, Registered Dental Hygienist

Raised in the Seattle area, Karen graduated from Arizona State University receiving a Bachelors of Science in Biology. She then continued her education at Shoreline College where she received here AA Degree in Dental Hygiene. She was certified in 1992 and has been practicing with Dr. Bethel since 1997. In her spare time she enjoys spending time with her husband Dave, son Blake, daughter Hanna and puppy Biscuit and cherishes the time the family spends up at their cabin in the mountains. She also enjoys reading, assisting in her children’s schools and working out.


Leslie, Registered Dental Hygienist

Leslie was raised in San Clemente California where she later attended Pasadena City College and earned her degree in Dental Hygiene. She comes to us with 35 years experience in the dental field as a hygienist. She and her husband moved to the beautiful Pacific Northwest in the spring of 2014 to be near their daughter and son-in-law. Leslie loves to cook, read, garden and go fishing. She also enjoys adventures with her rescue dog Bella, an energetic chocolate lab.



Jamie, Business Coordinator

Jamie was born and raised in central Illinois and then moved to western Washington in 2003. After completing the dental assisting program at Bryman Technical Institute, Jamie became a part of the dental field. She joined our team in December 2009 and can answer most any question about your dental insurance. Jamie enjoys gardening and spending as much time as possible with her 2 children Nicholas and Morgan.