Meet Our Team in Portland


Dr. Nathan G. Dustin received his Doctor of Dental Medicine Degree from the prestigious Oregon Health Sciences University in 1997. Since dental school, he has taken hundreds of hours on continuing dental education to stay current in the dental field.

Dr. Dustin is a graduate of the Pacific Aesthetic Continuum. This is an over-the-shoulder learning program where cosmetic dentistry is taught hands-on by some of the finest dentists in the field. He is a member of the American Academy of Cosmetic Dentistry.

Dr. Dustin has received Advanced Certification II training in Invisalign®, which is a way to straighten teeth without the traditional metal braces.

Dr. Dustin has received oral sedation training from the Dental Organization for Conscious Sedation. This allows our practice to safely sedate our patients that would like to sleep through their dental procedure.

Dr. Dustin has attended the White Cap Institute, which is a hands-on training program for the surgical placement of dental implants. He has successfully placed and restored dental implants in practice since 2000. He is a member of the American Academy of Implant Dentistry.

Dr. Dustin has also received advanced training in the areas of diagnosis and treatment planning for complex restorative dentistry from the Spear Mastery Continuum.

He and his wife Christy are the proud parents of three daughters: Alyssa, Avery, and Cassidy. When not at work, he enjoys mountain biking, golfing, water-skiing, and spending time with family.



Our welcoming, experienced dental team in Portland, OR  is committed to making your visits with Dr. Nathan G. Dustin as comfortable and relaxed as possible. We will make sure that you understand all of your treatment options. Feel free to contact Columbia River Dentistry today to learn more about us and to schedule an appointment with our dentist.


Dr. Lance Bergeson graduated from University of Louisville School of Dentistry where he received his Doctor of Dental Medicine Degree, graduating Cum Laude. Dr. Bergeson’s mission is to make each patient’s dental experience outstanding from beginning to end, and to build long lasting relationships based on trust.

Dr. Bergeson grew up on a farm in Royal City, Washington and is very excited to be based in the Pacific Northwest. He and his wife Brittany have four beautiful young children: Ben, Blakely, Nora and Taylor. He and his family enjoy being outdoors and love spending time together and cheering for the Mariners, Seahawks and Trailblazers.



DEBBIE – Treatment Coordinator

Debbie has worked in the dental field for 19 years, and has been apart of Columbia River Dentistry for over 15 years. One of her favorite things about working is the patients; she treats them like their her extended family. Her and her husband have two children; and in her free time, Debbie loves being under the sun and loves to cook for her family and friends.






ALLI – Dental Hygienist

Alli has been a hygienist for about 4 years. She graduated from Oregon Health Sciences University in 1998 and received a special departmental award for “outstanding commitment to professionalism in dental hygiene” from her professors and classmates upon graduating.

Alli is a mother of 3 active boys and has been married to her husband Ryan for 25 years. In her free time, she enjoys reading, running, and dancing. She also enjoys vacation with her husband and spending time with her sisters.




CAREN – Dental Hygienist

Caren has had the honor of being a dental hygienist for almost 39 years, with the privilege of spending 19 years working for Dr. Dustin. She is currently residing in Vancouver, Washington, but was born and raised in Portland, Oregon.

Her and her husband Rick are proud parents of one son, Ryan, and consider his wife, Heather, their daughter. Caren loves running and training for half marathons, gardening, entertaining, traveling, and spending time with family and friends. Her husband jokingly says, “she loves to talk.” The best part of Caren’s work day is seeing her patients, she considers them to be part of her extended family, and loves caring for their dental health while building long lasting relationships.



KRISTA – Dental Hygienist

Krista started working for Dr. Dustin in 2010 and has felt at home ever since! From having a less than desirable experience at the dentist as a child, Krista knew she wanted to work in healthcare. In her free time, Krista enjoys educating herself in the medical and dental fields, and when she is not at work, you can find her spending time with her family, friends and her Chihuahua mix puppy, Tucker. She also enjoys hiking and discovering new music.





SHASTA – Dental Assistant

Shasta attended Riverside Community College and received her dental assistant certificate. She has been a dental assistant for 15 years and has worked with Dr. Dustin for 6 years.

She is married to her wonderful husband Matt and has two beautiful daughters, Katelyn and Maria. When Shasta is not at soccer, she spends most of her time on walks and during the winter snowboarding with family and friends.





JESSICA – Dental Assistant

Jessica started her dental journey at Charter College in Vancouver, Washington and graduated in 2013. She considers herself a “dental nerd” because she absolutely loves everything about it. Her favorite part about her job is being apart of transforming someone’s smile. She believes it’s rewarding to see how happy and confident it makes them! Besides dental, you can find Jessica hiking, camping, playing disc golf and playing with her puppy, Millie, who loves the outdoors as much as she does.





BETTY – Schedule Coordinator

Betty has been working at Columbia River Dentistry for the past 2 and a half years. As she studied nursing in college, she eventually pursued dental. Betty loves interacting with and getting to know her patients – she enjoys hearing about their lives and has gained some great new friends. Outside of the office, Betty is a wife and mother of 3 beautiful and grown-up daughters. When she is not at work, she enjoys reading, working out, and spending time with her family. She is also a huge sports fan. Go Seahawks! Go Mariners!