About Us

All our professionals at Nicholson Dental maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Kathryn E. Nicholson, D.M.D., P.C.

Family Dentist in Klamath Falls, OR

Nicholson Dental

Dr. Nicholson grew up in Klamath Falls and graduated from Klamath Union High School. She continued her education at the University of Oregon where she received her Bachelors of Science in 1994. Dr. Nicholson then went on to receive her Doctorate of Dental Medicine Degree in June of 2000 from Oregon Health Sciences University.

Since graduating, Dr. Nicholson has built a very successful family dental practice in Klamath Falls. She is happy to be back home raising her family and providing quality dental care to the residents of Klamath Falls and the surrounding areas.

Dr. Nicholson is proud to be a member of the Oregon Dental Association, the American Dental Association, as well as a member the Academy of General Dentistry.

Dr. Nicholson is devoted to the highest standard of patient care. She goes above and beyond to optimize her patient’s oral health and takes great pride in the results that come from this high-quality treatment. Dr. Nicholson participates in continued education throughout each year to ensure that she is informed of the latest trends in dentistry. She is always looking for newer, better ways to treat patients. Her attention to detail, kindness and commitment to achieving great oral health for her patients sets Dr. Nicholson apart in the dental field.

Favorite Movie: The Lake House
TV Show She Can’t Miss: The Closer
Favorite Candy: Milk Duds

Our Staff

Our team consists of dedicated individuals who are kind, friendly, and caring. Our staff is here to ensure a pleasant experience during your visit to our office.

Our team includes experienced and energetic people whose goal is to communicate well with our patients and provide the best care possible.

Lucy Claassen

Account Manager/Insurance Coordinator

Lucy was born in Busan, South Korea. Lucy lived in Klamath Falls for about 6 years, but now resides in Medford for the last 4 years. She has two sweet Golden Retrievers, named Ellie and Hazel. In Lucy’s spare time, she enjoys taking Ellie and Hazel on walks. Lucy loves to travel around the world and try new foods. Lucy previously worked as a Paralegal in New York, as well as a Dental office in Sacramento. Lucy takes care of all our patient’s insurance and account matters to ensure our patients are getting the best care they can.

Favorite Movie: Dangerous Liaisons

TV Show She Can’t Miss: She doesn’t watch TV

Favorite Candy: Ferrero Rocher

Karissa Bussdieker

Scheduling Coordinator/ Office Manager

Karissa was born and raised on Alaska’s beautiful Kenai Peninsula and then moved to Reno, NV and now Klamath Falls, OR. People who know her best describe her as a social butterfly! She enjoys most hanging out with her boyfriend, family, and friends and being involved in all activities and events. Karissa also loves her fur babies with all her heart and spending time with them. She has a golden retriever who is 9 years old, her name is Ruby and she is the sweetest old girl. She has a kitty who is 6 months old and her name is Stormi and she is the cutest and spunkiest little thing.

She enjoys working at Dr. Nicholson’s office and making sure she does everything she can to ensure our patients’ experience is a great one, starting by setting the mood to be positive when patients check in.

Favorite Movie: The Blindside
TV show you can’t miss: Grey’s Anatomy
Favorite Candy: Dark Chocolate

Sierra Avril

Financial Coordinator

She was born in Homer, Alaska and has lived in several different states including Idaho, Washington and now Klamath falls Oregon. She enjoys spending a lot of time with her family and being outdoors. She is currently working on gaining Oregon residency so she can apply to OIT’s Dental Hygiene program next year.

She looks forward to work everyday because of how much she enjoys Dr. Nicholson and her coworkers. She helps all our patients with their financial needs!

Favorite Movie: 50 First Dates

TV Show She Can’t Miss: Criminal Minds

Favorite Candy: Kitkat, sour gummy worms

Skyler Sherrill

Dental Hygienist

Skyler grew up in Klamath Falls and graduated from Klamath Union High School in 2013. She has two babies, Willow and Winston. She graduated from the Oregon Tech Dental hygiene program in 2021 and she loves being a hygienist!

Favorite Movie: Wedding crashers
TV show you can’t miss: Friends
Favorite Candy: Sour punch straws

Taylor Gill

Dental Assistant

Taylor graduated from Mazama. She has 2 dogs named Callie and Rouger and a gecko named woman or lady depending on her mood. She likes teeth and loves being outdoors! “ You don’t have to brush all your teeth, just the ones you want to keep.”

Favorite Movie: Too many to name, but I’d have to say.. yeah I can’t decide.
TV Show: I like Naked and Afraid
Candy: Milk chocolate, gummies, and now and laters 🙂

Alexis Prather

Dental Assistant

Alexis has lived in Klamath Falls since she was little. She is married and has two children and a cat whose name is Kitty!

Favorite Movie: Harry Potter

TV show you can’t miss: Criminal Minds

Favorite Candy: Sour Candy

Ana Baker

Dental Assistant

Ana was born in Klamath Falls but grew up in Medford, OR. After graduating from North Medford high school she came back home to attend OIT to pursue a degree in Dental Hygiene. She loves the outdoors and being able to spend time with family and friends as well as her new puppy, Digger!

Movie: Too many to pick just one but definitely a comedy or horror movie!
Tv show: NCIS
Favorite Candy: Too many to decide, but definitely sour/ gummy candy!

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