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About Dr. Amanda Rosaasen


Amanda Rosaasen, MD is co-owner and lead physician of Rosaasen Family Medicine, a state-of-the-art family medicine practice in Thousand Oaks, California that serves residents of all ages from communities across Ventura County and the greater Los Angeles area.


With more than 15 years of experience in the medical field, Dr. Rosaasen is a board-certified family physician who specializes in disease prevention, aesthetic medicine, healthy parenting, and women’s health. She understands that overall health depends on a combination of physical, emotional, and spiritual factors, and believes that patients who take an active role in understanding their health are more likely to lead long, healthy lives. That’s why Dr. Rosaasen encourages her patients to take an active role in their own health care, and why she strives to offer support, expertise, and guidance to patients who are trying to maintain equilibrium in their lives.


Dr. Rosaasen earned her medical degree from the Loma Linda University School of Medicine in Loma Linda, California. After graduating from medical school, she completed her residency at Kaiser Permanente in Riverside, California.


She and her husband, Dr. Jonathan Rosaasen, are the proud parents of three bright and compassionate young children (a son and two daughters). Together, they enjoy riding bikes, skiing, and spending time in the water.

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