Joyce Endo, M.D.
Dr. Joyce Endo joined West Linn Family Health Center in 1991 after graduating from her residency at Memorial Family Medicine /UCI in Long Beach California. She did her undergraduate and graduate work in a combined program with UC Riverside/ UCLA Medical School in the Biomedical Sciences Program and received her MD from UCLA Medical School. She loves family medicine and the relationships she has the privilege to develop with her patients. She is married and has two children. She enjoys all sports, and has recently developed an interest in equestrian sports thanks to the influence of her daughter.
David Farley, M.D.
Dr. David B. Farley graduated summa cum laude from BYU in 1981 and was valedictorian of his class. He did his medical training at a joint program at Harvard Medical School and MIT and graduated in 1986, followed by his residency at Ventura County Medical Center, a UCLA affiliated program. After completing his residency, he moved to West Linn where he started West Linn Family Health Center. He and his wife, Ann, have five children and the number of grandchildren are proliferating. He enjoys being a grandpa, traveling, outdoor recreation, and church service. He thinks his physician partners at WLFHC are the greatest in the world.
Breanna Percell, M.D.
Dr. Breanna Percell received her BS in Biology/Anthropology from Western Washington University in Bellingham, WA before entering medical school at Oregon Health and Science University. She completed residency training at Providence Milwaukie Family Medicine in Oregon and joined West Linn Family Health Center in 2010. Breanna has special interests in women's health including obstetrics, preventative health care and pediatrics. She keeps physically active by running, skiing, camping and hiking and enjoys spending time with her husband and two young daughters.
Ryan Scott, M.D.
Dr. Ryan Scott is a native of Eugene, Oregon. He graduated from Brigham Young University with a B.A. in German in 1992. He attended Oregon Health Sciences University Medical School from 1992-1996. He completed the McKay-Dee Family Medicine Residency in 1999. He has been at West Linn Family Health Center since 1999. His special interests include sports medicine and obstetrics. He is married and has six children. In his spare time, he does an occasional short-distance triathlon.
Liberty Chelson, PA
Liberty graduated from Brigham Young University in 2000 with a degree in Exercise Physiology. She received her Masters Degree in Physician Assistant Studies from A.T. Still University in 2003. After working in pediatrics for a year, she moved back to her native Oregon. She has been at West Linn Family Health Center since 2004. She enjoys care for patients of all ages. She believes patients should be involved in health care decision making and work diligently to keep themselves healthy. When away from work she enjoys gardening, hiking, and baking.
Cherie Martchenke, FNP
Cherie has been working at West Linn Family Health Center since she completed the Masters of Nursing program at OHSU in 1997. She spent time precepting with Dr Farley during school, and was so impressed by the staff and the manner in which they treated the patient clientele, that she decided this was where she wanted to spend her career. Cherie loves working with patients and their families, especially getting to know people over time. Her clinical interests include women's health, diabetes, hypertension, fibromyalgia, and asthma - just about everything. She received a Bachelors of Nursing degree from Humboldt State in 1984, with an emphasis in German language and culture. She is married with two teenage children. In her free time she enjoys figure skating, water coloring, reading and cooking.
Amy Tatom, FNP
Amy received her Masters of Science in Nursing from Yale University and joined the West Linn Family Health Center in 2012. She is a native of Fallbrook, California, and studied history at UCLA. She enjoys providing care across the lifespan with a special interest in pediatrics. In her free time, she enjoys cooking, gardening, and exploring the great outdoors with her family. She and her husband, Oliver, have a young daughter and a miniature dachshund.