About
Dr. Oana Marcu, D.O., brings more than 20 years of family medicine experience to her patients. Her path into medicine began as a teenager, caring for elderly residents in Adult Family Homes. That early exposure to chronic disease sparked a lasting commitment to prevention. She earned her BS in Psychology from the University of Washington, completed medical school at Western University of Health Sciences in Pomona, California, and finished both her Family Medicine residency and a Geriatrics Fellowship at Swedish Family Medicine in Seattle. Dr. Marcu holds board certification in Family Medicine since 2003 and earned her Menopause Medicine Certification from the National Menopause Society in 2024. She spent 18 years at Optum, formerly The Everett Clinic, serving in both clinical and leadership roles including Medical Director of Clinician Engagement. Seattle Metropolitan Magazine and Seattle Magazine have both recognized her as a Top Doctor through peer nomination. Her clinical interests span women's health, menopause medicine, geriatric care, and mental health. Originally from Romania and fluent in the language, Dr. Marcu grew up in the Seattle area and remains passionate about cultural humility in medicine.
Education & Training
Undergraduate
BS in Psychology, University of Washington, Seattle
Medical School
Western University of Health Sciences, Pomona, CA
Residency
Swedish Family Medicine, Seattle
Fellowship
Geriatrics Fellowship, Swedish Family Medicine, Seattle
Certifications
Languages
English, Romanian
Conditions Treated
Who is Dr. Marcu right for?
Dr. Marcu is a strong fit for adults seeking a primary care physician with deep experience in preventive and geriatric medicine. Women navigating perimenopause or menopause benefit from her certification in Menopause Medicine. Patients managing chronic conditions across multiple life stages find her longitudinal, relationship-based approach well suited to their needs. Romanian-speaking patients can communicate with her in their native language.
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Frequently Asked Questions
Dr. Marcu specializes in family medicine, geriatric care, and preventive medicine. She also holds a Menopause Medicine Certification from the National Menopause Society, earned in 2024. Her clinical interests include women's health, mental health, and the management of chronic disease across all adult age groups.
Yes. Dr. Marcu has held board certification in Family Medicine since 2003. She added a Menopause Medicine Certification from the National Menopause Society in 2024.
Dr. Marcu completed her medical school education at Western University of Health Sciences in Pomona, California. She then finished both her Family Medicine residency and a Geriatrics Fellowship at Swedish Family Medicine in Seattle.
Dr. Marcu has practiced family medicine for more than 20 years. She spent 18 of those years at Optum, formerly The Everett Clinic, where she served in clinical and leadership roles including Medical Director of Clinician Engagement.
Yes. Both Seattle Metropolitan Magazine and Seattle Magazine have recognized Dr. Marcu as a Top Doctor through peer nomination.
Yes. Geriatric medicine is one of Dr. Marcu's core specialties, supported by her Geriatrics Fellowship training at Swedish Family Medicine. She has extensive experience managing chronic disease and coordinating care for older adults.
Yes. Dr. Marcu is fluent in Romanian and brings a strong commitment to cultural humility in her care.
Dr. Marcu began caring for elderly residents in Adult Family Homes as a teenager. That early experience with chronic illness shaped her lasting focus on prevention and geriatric care.
Doctor profile last updated March 21, 2026