Ann F. Callahan, MD

Dr. Ann Callahan is a board-certified complex surgical oncologist and general surgeon. She specializes in the full breadth of surgical oncology, including breast, colorectal, melanoma, and hepatobiliary. Now practicing with South Bay Surgeons, an affiliate of Cedars-Sinai in
Torrance, Dr. Callahan is committed to providing top-of-the-line care to patients in the South Bay.