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Healthcare professionals invested in your well-being

Our physicians are just as interested in keeping you healthy as we are in getting you well. We focus on preventative health as well as treating current medical concerns. Learn a little more about each of our providers below or reach out to us today to ask a question.



Dr. Phelps is a Portland native, growing up a few minutes from the Bridgeport Family Medicine office.  He attended medical school at OHSU in Portland and completed his family medicine residency training at Peacehealth Southwest in Vancouver, Washington, where he served as Chief Resident.  He lives with his wife and 2 children in SE Portland.

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Dr. Adamek was raised free range in Southwestern Oregon. Attended Linfield College where he received a degree in exercise science. He then went to medical school at A.T. Still University in Arizona where he was trained in osteopathic manual medicine as well as traditional western medicine.  He completed his family medicine training at Peace Health SW in Vancouver, Washington. He lives in Wilsonville with his 2 children.

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Dr. Tremaine was born and raised in the Alaskan Arctic. She moved to Oregon in high school and graduated from Newberg High and then from George Fox University with a degree in Biochemistry. She attended medical school at Loma Linda University located in Southern California before deciding she was ready to move back to the Pacific Northwest to complete her family medicine residency training at PeaceHealth in Vancouver, WA.

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Dr. Lorna Shanks made the Pacific Northwest her home when she enrolled in the University of Puget Sound to pursue an undergraduate degree in Spanish. She attended medical school at the University of Washington and completed her family medicine residency training at PeaceHealth Southwest in Vancouver. Dr. Shanks focuses on helping patients make individual choices in line with their goals and guides them through the treatment process when chronic illnesses develop.


Chelsea Michielsen, DNP, FNP

Chelsea entered the nursing profession when she was a high school senior as a Certified Nursing Assistant, before going on to earn a Bachelor of Science in Nursing from the University of Portland. She worked for nine years as a nurse while pursuing her Doctorate of Nursing Practice from Gonzaga University. Chelsea is passionate about empowering patients to understand their bodies and live happy, healthy lives. She loves to read, cook, and garden with her daughter.

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Nick is a Portland native who obtained his Master's in Physician Assistant Studies from Idaho State University. His undergraduate degree comes from Berklee College of Music. A repetitive strain injury he sustained as a musician promoted his desire to learn about the human body. In 2020 he won the Donald A. Pegg award for achievement in lifestyle medicine. He is a holistic, caring provider.

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Emily Heath, PA-C

Emily is an Oregon native, having grown up in Sherwood.  She attended the University of Portland where she received her Bachelor of Science in Biology. She moved to Glendale, Arizona to pursue her Master of Medical Science at Midwestern University.  Emily is excited to be back in Oregon to serve her home community. In her free time she enjoys hiking, painting and spending time with friends and family.


Tia Kinilau, PA-C

Tia was born and raised in O’ahu, Hawaii. She moved to Oregon to attend Pacific University, where she graduated with a Bachelor of Science in Public Health. She then pursued her Masters of Medical Science degree at George Fox University. Tia loves helping people and seeing others accomplish their goals. In her free time, she enjoys spending time with family and friends, going to the beach, and baking.


Cora moved to the Pacific Northwest in 2015 to attend the Clark Honors College at the University of Oregon, earning a Bachelor of Science in Biology. She worked in pediatrics prior to attending Idaho State University where she earned her Master of Science in Physician Assistant Studies. Cora enjoys connecting with patients of all ages and helping them achieve their health goals. In her free time she enjoys hiking, biking, knitting and baking.

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Luke holds a Master of Social Work degree from Portland State University. As a licensed clinical social worker, he practices person-centered and solutions-focused therapy with an emphasis on mindfulness. He also employs Cognitive-Behavioral therapy techniques. Luke works to empower individuals to build on their strengths and he teaches skills that increase mental and emotional well-being.




Alanna is a native of Portland, OR.  She obtained her Bachelor's Degree in Theater Arts from Portland State University and her Master's Degree in Professional Mental Health Counseling from Lewis and Clark College.  Her work as a counselor combines Person-Centered Therapy, Cognitive Behavioral Therapy and Solution-Focused Therapy.  She employs mindfulness and psycho-education to help her clients increase their emotional well-being and achieve their therapeutic goals.  Outside of work, Alanna enjoys gardening, crafts and spending time with family.

Cora Pyles, PA-C

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