Dr. Jonathan Rosaasen, MD
Concierge Family Medicine physician, Thousand Oaks, CA
MDVIPDr. Rosaasen co-owns Rosaasen Family Medicine, a family and aesthetic medicine practice in Thousand Oaks, CA.
Facts on this page last checked October 2026. How we check doctors
About Dr. Rosaasen
Dr. Rosaasen co-owns and operates Rosaasen Family Medicine, a family and aesthetic medicine practice in Thousand Oaks, California. He offers an MDVIP concierge model. The practice focuses on health maintenance and preventive medicine and encourages patients to take an active part in their care.
The practice offers primary care, weight loss, immigration services and aesthetic medicine, and serves patients throughout Ventura County and the greater Los Angeles area. Dr. Rosaasen focuses on weight loss and nutrition management. His approach to weight loss is a judgment-free partnership with patients that encourages small lifestyle changes.
He earned his medical degree at Loma Linda University School of Medicine and completed his family practice residency at Kaiser Permanente in Riverside, California.
Membership and fees
Fees are not published. Ask the practice.
Education and credentials
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Questions patients ask
Does Dr. Rosaasen take insurance, or offer a membership?
Dr. Rosaasen offers an MDVIP concierge model.
Does Dr. Rosaasen help with weight loss?
Yes, Dr. Rosaasen focuses on weight loss and nutrition management. His approach is a judgment-free partnership with patients that encourages small lifestyle changes.
Where did Dr. Rosaasen train?
Dr. Rosaasen earned his medical degree at Loma Linda University School of Medicine. He completed his family practice residency at Kaiser Permanente in Riverside, California.
Where is Dr. Rosaasen's office?
Dr. Rosaasen co-owns and operates Rosaasen Family Medicine in Thousand Oaks, California.
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