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Andrew Deemer, MD

COVID-19 update:

If you have a fever and/or respiratory symptoms, please call our COVID-19 nurse line at 888-261-8431 before coming in or use one of our virtual care options. Do not schedule online. For general guidance on COVID-19, visit or call the county hotline at 2-1-1. For other patients, please do not schedule non-essential appointments at this time. Call your doctor’s office if you have questions.

Dr. Andrew Deemer, MD


3601 Vista Way Ste 203
Oceanside, CA 92056
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  • General Surgery


Dr. Andrew Deemer is fellowship-trained in vascular surgery and specializes in treating vascular disease, aortic aneurysms, carotid artery disease, adrenal disease and other conditions.

Board Certifications

  • American Board of Surgery, General Surgery, 1990

Medical Education

  • University of California, San Diego, MD, 1984


  • Boston Medical Center (Formerly Boston City Hospital), General Surgery, 1985


  • Boston Medical Center (Formerly Boston City Hospital), General Surgery, 1989


  • St Mary's Medical Center, Vascular Surgery, 1991
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