Meet Us


Dr. Stephen Koza was born and raised in Union County, attending Island City Elementary School and graduating from La Grande High School in 1995. Dr. Koza was active in the La Grande Swim Club and received his Eagle Scout Award from Troop 514. He obtained his Bachelor’s degree from Oregon State University in 1999, graduating cum laude, and went on to obtain his DMD from Oregon Health and Science University in 2003, graduating 6th in his class and as a member of the Omicron Kappa Upsilon Honor Dental Society. He then completed a one year Advanced Education in General Dentistry residency in Casa Grande, Arizona.

Dr. Koza opened Koza Family Dental Care in 2007. He is a member of the Academy of General Dentistry, the American Dental Association, the International Congress of Oral Implantologists, and the Christian Medical and Dental Association.

His family has been active in the community for over 100 years, including owning a century farm. In his free time he enjoys being outdoors, providing dental services on medical mission teams, and spending time with his kids.  

Business Manager

Dr. Koza’s wife, Beth, is also a graduate of Oregon State University, with degrees in Accounting and Agricultural Business Management. She is the business manager for the practice. They have four children — Tim, Sarah, Becca and Amelia.

Front Office Manager

Susie is our front office manager and has been with Koza Family Dental Care since day one. She will be the one answering your calls and greeting you when you walk through the door. Susie has soon to be 40 years experience in the dental field both as an assistant and at the front desk. She loves dentistry and really enjoys working with people. When she is not at the dental office, her favorite thing to do is spend time with family and friends, especially the light of her life grandsons, Eli and Will.  She also enjoys snowshoeing and kayaking. Susie looks forward to meeting you and assisting you with all of your scheduling, insurance and dental needs.

Registered Dental Hygienists

Shandy grew up in Union, Oregon. She graduated from Oregon Health & Sciences University dental hygiene program in 2001. She began working for Dr. Koza in 2007. Shandy works as a hygienist in our office three days a week. In her spare time, Shandy enjoys camping, riding her horses and spending time with her husband Odin and daughters Paisley and Millie.

Lauren grew up in Amity, Oregon. Her love for the great outdoors and LaGrande’s tight knit community has recently brought her back to Eastern Oregon! Lauren studied at Eastern Oregon University and graduated from the ODS College of Dental Sciences in 2015. She feels very fortunate to return back to Union County to practice dental hygiene. In her spare time, Lauren enjoys riding her horses in the mountains, team roping, and skiing in the winter. Lauren looks forward to meeting you.

Dental Assistants

Dani grew up in Union County and graduated from Practical Dental Assisting of Oregon in 2015. In her spare time she likes to ride her horse and loves being outdoors.

Emily grew up in North Powder, went to Eastern Oregon University, and graduated from Blue Mountain Community College in Dental Assisting in 1997. She worked in dentistry in Hood River and Hermiston for 10 years before moving back to this area in 2007 to be near family. She enjoys hiking, camping and other outdoor activities as well as homesteading. She enjoys spending her spare time with her big family, especially her children, Connor and Bella.