Catherine A. Madorin, M.D. is a physician at Association of South Bay Surgeons in Torrance, California. Dr. Madorin regularly performs adrenal tumor surgery, thyroid surgery, and breast surgery. She’s especially interested in advanced laparoscopic general surgery, which allows for the least invasive path to treatment and recovery. Dr. Madorin is Board Certified by the American Board of Surgery and is a candidate member of both the American College of Surgeons and the American Association of Endocrine Surgeons. She’s authored a number of peer-reviewed scientific articles and book chapters on thyroid cancer, operative approaches to adrenal disease, and breast surgery. These are some of the procedures / diseases that Doctor Madorin treats: Abscess, Appendicitis, Adrenal, Advanced Laparoscopic Surgery, Biopsy, Breast Surgery, Cancer, Colon, Cyst, Gallbladder Surgery, Gastroesophogeal Reflux Disease,Stomach, Hernia Repair, Lipoma, Mass, Melanoma, Myopathy, Pancreas, Parathyroid,Radioguided Surgery, Spleen, Sentinel Lymph Node Mapping, Thyroid.

Medical School
  • Emory University School of Medicine, Atlanta, GA
  • Icahn School of Medicine at Mount Sinai, Elmhurst Hospital Center, New York City
  • Icahn School of Medicine at Mount Sinai, Elmhurst Hospital Center, New York City
  • Evanston Hospital-NorthShore University HealthSystem, Evanston, IL
  • English


Association of South Bay Surgeons
23451 Madison Street
Suite 340
Torrance, CA 90505
(310) 373-6864
(310) 373-6065


  • General Surgery (Board Certified)
Clinical Interests
  • Advanced Laparoscopic Surgery
  • Breast Surgery
  • Thyroid Surgery
  • Parathyroid Surgery
  • Minimally Invasive Surgery


Insurances Accepted
  • Aetna PPO/POS/EPO
  • Blue Cross/Blue Shield PPO
  • Blue Shield PPO/POS/EPO
  • Cigna PPO/POS/EPO
  • Medi-Cal L.A. Care HMO