About Theodore H. Welling, MD

Theodore H. Welling, MD, FACS, is a board-certified hepato-pancreato-biliary (HPB) surgeon who is nationally recognized for his surgical expertise and outcomes in liver, biliary and pancreatic cancers.

Dr. Welling enjoys providing and leading multidisciplinary care for patients with these complex malignancies.

He is also known for his research on the tumor immunology of HPB malignancies and has authored over 70 articles and book chapters. He has led or was a co-investigator for several novel immunotherapy clinical trials in HPB malignancies.

Prior to joining UC San Diego Health in 2024, Dr. Welling was director of the multidisciplinary liver tumor program at NYU Langone for seven years and director of the liver tumor program at University of Michigan Health for a decade.

Dr. Welling is an active member of several professional societies, including the American College of Surgeons, The Americas Hepato-Pancreato-Biliary Association, American Society of Clinical Oncology, and International Liver Cancer Association. He is repeatedly noted as one of Castle Connolly's Top Doctors nationally.

Dr. Welling completed a two-year surgical fellowship in transplantation and HPB surgery, residency training in general surgery and earned a medical degree from the University of Michigan Medical School.

UC San Diego Health Links
For more information, see Cancer Care, Liver Cancer, or Surgery Services.

Medical DegreeUniversity of Michigan Medical School, Ann Arbor, MIResidencyUniversity of Michigan Medical School, Ann Arbor, MIFellowshipUniversity of Michigan Medical School, Ann Arbor, MI
GenderMale
Date Joined Staff2024-06-20
Board Certifications
American Board of Surgery
Conditions and Treatments
  • Hepatobiliary Surgery
  • Pancreatic Cancer
  • Liver Cancer
  • Bile Duct Cancer
  • Cholangiocarcinoma
  • Hepatocellular Carcinoma
  • Liver Mass
  • Pancreatic Mass
  • Liver Metastases
Cancer
Gastroenterology

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