Walter L. Longo, MD



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


  • Hematology
  • Medical Oncology

Cancer Center - Froedtert Hospital

Cancer Center - Froedtert Hospital

Service with understanding and compassion is my goal in providing care to cancer patients. Advances in cancer care are remarkable and all patients deserve access to the best care with reassurance everything possible is being done for recovery and cure.


Diseases and Conditions

  • Aplastic Anemia
  • Hematologic Malignancies
  • Leukemia
  • Lymphoma
  • Myelodysplastic Syndromes (MDS)
  • Myeloma

Treatments and Services

  • Bone Marrow Transplantation (BMT)
  • CAR-T Cell Therapy
  • 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. Longo attended medical school at the University of Nebraska Medical Center and then Internal Medicine at the Mayo Clinic before training in Hematology and Oncology at the University of Wisconsin-Madison. He was at UW-Madison when they did their first bone marrow transplant .Now at the Medical College of Wisconsin, he is able to continue clinical transplants and participate in innovative cellular therapies.

Education and Training

Doctor of Medicine - University of Nebraska Medical Center - Omaha, NE (1977)
Fellowship in Oncology - University of Wisconsin - Madison, WI (1984-1986)
Fellowship in Hematology - University of Wisconsin - Madison, WI (1982-1984)
Residency in Internal Medicine - Mayo Graduate School of Medicine - Rochester, MN (1977-1980)