Stanley Klein M.D., F.A.C.S. is a physician at Association of South Bay Surgeons in Torrance, California. Dr. Klein is Board Certified in general, vascular, and critical surgical care and is a surgical weight loss specialist. For more than 20 years, Dr. Klein helped obese patients with every aspect of their surgical weight loss journey. Dr. Klein is highly regarded as a physician who truly cares about providing the best in patient care. These are some of the procedures/diseases that Doctor Klein treats: Bariatric Surgery, a Benign or Malignant disease of the foregut (Esophagus, Liver, Pancreas, Stomach), Complicated hernia repair involving the abdominal wall, Hepatic Surgery, Revisional Bariatric Surgery, Soft tissue tumor, and Melanoma.

Medical School
  • University of California San Diego School of Medicine, San Diego, CA
  • Harbor UCLA Medical Center, Torrance, CA
  • Harbor UCLA Medical Center, Torrance, CA
  • UCLA Medical Center, Los Angeles, CA
  • English
  • Spanish


Association of South Bay Surgeons
23451 Madison Street
Suite 300
Torrance, CA 90505
(310) 791-5138
(310) 316-7370


  • General Surgery (Board Certified)
Clinical Interests
  • Eye Disease & Conditions
  • Liver Disorders
  • Pancreas Disorders
  • Stomach Disorders
  • Skin Cancer


Insurances Accepted
  • Aetna HMO Plan
  • Aetna PPO/POS/EPO
  • Anthem Blue Cross Calif. Care HMO
  • Anthem Blue Cross PPO/POS/EPO
  • Anthem Blue Cross Senior Plan HMO
  • Blue Cross/Blue Shield PPO
  • Blue Shield 65 Plus Senior Plan HMO
  • Blue Shield Access + HMO Plan
  • Blue Shield HMO Plan
  • Blue Shield PPO/POS/EPO
  • Cigna HMO Plan
  • GWH-CIGNA (Great West) HMO
  • Health Net HMO
  • Health Net Seniority Plus HMO
  • Inter Valley Health Plan HMO
  • Medicare
  • Scan Senior Health Plan HMO
  • Secure Horizons Senior/UHC HMO
  • United Healthcare HMO Plan
Insurance Medical Groups
  • HealthCare Partners Medical Group
  • Little Company of Mary IPA - HCP