Updates on COVID-19 (including visitor restrictions and mask requirements), monkeypox and flu. See Communicable Disease Updates

Your browser is out-of-date!

Internet Explorer 11 has been retired by Microsoft as of June 15, 2022. To get the best experience on this website, we recommend using a modern browser, such as Safari, Chrome or Edge.


COVID-19 update:

If you think you have COVID-19 symptoms or are looking to be tested, please use our free symptom checker. Do not schedule an in-person appointment.

Andrew Deemer, MD

  • General Surgery
Andrew Deemer, MD
Accepts new patients
age-group-adults-color Treats adults


3601 Vista Way Ste 203
Oceanside, CA 92056
Get directions
Phone Number


  • General Surgery
  • Vascular Surgery


  • English


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, Surgery (General Surgery), 2010

Medical Education

  • University of California, San Diego, MD, 1984


  • Boston Medical Center FKA Boston City Hospital, General Surgery, 1985


  • Boston Medical Center FKA Boston City Hospital, General Surgery, 1989


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

If you see an error or omission on a provider’s profile page, please contact us.