Contact Information
John Hosei Yim, M.D.
  • Associate Professor of Surgery

Primary Specialties
  • Surgical Oncology

Clinical Area / Sub-specialties

Languages Spoken
  • French
  • Korean


Dr. Yim received his medical degree from Stanford University School of Medicine. He completed his general surgery residency at Barnes-Jewish Hospital in Saint Louis, Miss. and then completed an NIH-sponsored T32 surgical oncology research fellowship. Dr. Yim has spent the last six years as an assistant professor at the University of Pittsburgh where he developed an endocrine surgery practice and maintained an active laboratory research program. Dr. Yim’s clinical practice will be focused on breast and endocrine diseases and he will continue his basic and translational research studies through the Beckman Research Institute.

Professional Experience

2008 - present, Associate Professor, Department of Surgery, City of Hope, Duarte, CA
2008 - present, Staff Surgeon, Division of Surgical Oncology, City of Hope, Duarte, CA
2000 - 2008, University of Pittsburgh/UPMC, Pittsburgh, PA


  • 1987 - 1992, Stanford University School of Medicine, Stanford, CA, M.D.
  • 1982 - 1986, Yale University, New Haven, CT, B.S., Molecular Biophysics and Biochemistry


  • 2007, Best Doctors in America, Best Doctors, Inc.
  • 2007, Marquis Who’s Who in America
  • 2006, ASCI/AAP Joint Meeting Travel Award
  • 2001, 2002, SUS Foundation Junior Faculty Award Finalist
  • 2002, Aspen Cancer Conference Young Investigator Fellowship
  • 1998, Samuel A. Wells, Jr. Resident Research Award, Washington University Department of Surgery
  • 1997, James Ewing Foundation Trainee Award, Society of Surgical Oncology
  • 1988, Stanford Medical Scholars Award, Stanford University School of Medicine
  • 1986, cum laude, Yale University
  • 1985, FAES Summer Student Fellowship
  • 1982, American Heart Association Fellowship


  • 2005 - present, American Association of Endocrine Surgeons
  • 2005 - present, Central Surgical Association
  • 2004 - present, American College of Surgeons, Fellow
  • 2004 - present, Society of University Surgeons (SUS), Committee on Social and Legislative Issues
  • 2003 - present, Allegheny County Medical Society
  • 2003 - present, Pennsylvania Medical Society
  • 2002 - present, ACS Oncology Group (ACOSOG), Ethics Committee
  • 2000 - present, Southwestern Pennsylvania ACS
  • 2000 - present, Association for Academic Surgery, Program Committee


  • City of Hope - Main Campus (Duarte)
    1500 East Duarte Road
    Duarte, CA 91010