James P. Thomas, MD, PhD



  • Cancer Center - Froedtert Hospital
  • 8800 West Doyne Ave.
  • Milwaukee, WI 53226


  • Hematology
  • Medical Oncology

Cancer Center - Froedtert Hospital

Established Patient Appointments

New & Established Patients Call


Diseases and Conditions

  • Biliary Cancer
  • Colon Cancer
  • Esophageal Cancer
  • Gastric Cancer
  • Gastrointestinal Cancer
  • Gastrointestinal Stromal Tumor (GIST)
  • Liver Cancer
  • Neuroendocrine Cancer
  • Pancreatic Cancer
  • Rectal Cancer

Treatments and Services

  • Virtual Visit

Patients Ages Seen

  • Adult
  • Senior


  • English

Hospital Affiliations

  • Froedtert Hospital – Milwaukee

Board Certifications

  • Internal Medicine
  • Medical Oncology

Clinic Locations

Cancer Center - Froedtert Hospital

map of clinics' locations


Dr. Thomas is a Professor of Medicine and Section Head of Solid Tumor Oncology at the Froedtert & the Medical College of Wisconsin Clinical Cancer Center. His research interests are in the development of new cancer therapies and he specializes in the treatment of gastrointestinal cancers.

Dr. Thomas emphasizes the partnership of the patient and the multi-disciplinary team in developing the treatment plan and he encourages access to cutting edge technology and clinical trials.

Education and Training

Ph.D., Biochemistry - Medical College of Wisconsin - Milwaukee, WI (1989)
Doctor of Medicine - Medical College of Wisconsin - Milwaukee, WI (1991)
Residency, Internal Medicine - Medical College of Wisconsin Affiliated Hospitals - Milwaukee, WI (1991-1995)
Postdoctoral Research Fellow, Department of Biophysics - Medical College of Wisconsin Affiliated Hospitals - Milwaukee, WI (1991-1995)