Dr. Brett L. Johnson

General & Cosmetic Dentistry

Meet The Staff

If you’re looking for a dentist in Oregon City, Oregon, you’ve come to the right place. Dr. Johnson and his staff are professional, warm and caring; that’s why so many of Oregon City Dentistry’s patients have been visiting the office for years. Our patients value the warm care and comfort our staff provide. We invite you to come visit us for your next dental appointment and experience the difference first hand!

Sharon Peterson – Office Manager

Sharon is the Office Manager and Financial Coordinator. She has worked in the dental field for over forty years! Sharon loves her job and enjoys helping patients with any concerns they may have. Her hobbies include fishing, sewing, scrap booking and gardening. Most importantly, she enjoys spending time with her four grandchildren.

Debbie Tibbetts – Insurance Specialist

Debbie has worked in the dental field for the past thirty years in both the front and back office. She lives in Canby with her husband and their two children. She enjoys horses, camping, fishing and remains busy fixing up her home.

Marijean Johnson – Front Office Assistant

Marijean provides administrative support in the front office. She is married to Dr. Johnson and they have three children. Her work experience includes banking and teaching at the elementary school level as a Special Educator. She enjoys completing home projects, gardening, exercising and traveling to see extended family.

Debie Berreth- Dental Hygienist

Debie is a Dental Hygienist who grew up in the beautiful town of Sandpoint in Northern Idaho. She is married to her high school sweetheart and has two boys. She earned a Bachelors of Science degree in Psychology from the University of Idaho. With her knowledge of anxiety and phobias, she can help make your dental appointment as comfortable as possible.


 Jennifer Hughes – Dental Assistant

Jennifer has worked over half of her Dental Assistant career for Dr. Johnson and could not be happier. She feels this is a truly special practice to be a part of. She is originally from Oregon City and has lived there for most of her life. She enjoys cooking, watching movies and running in her free time, while raising three grown children.

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