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Oncology Specialist (cancer), Pediatric Specialist
50 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. William Mentzer, MD is board certified in Pediatric Hematology-Oncology.

  • He has special expertise in 11 areas:
  • Acute Myeloid Leukemia
  • Bone Marrow Transplantation
  • Cancer
  • Chronic Myeloid Leukemia
  • Congenital Hemolytic Anemia
  • Cooley's Anemia (Thalassemia)
  • Glucosephosphate Dehydrogenase Deficiency
  • Hemolytic Anemia
  • Leukemia
  • Sickle Cell Anemia
  • Thalassemia

Education & Awards

Dr. Mentzer graduated from Stanford University. He has 3 awards.

One of America's Leading Experts on:
Congenital Hemolytic Anemia
Hemolytic Anemia
Sickle Cell Anemia


Dr. Mentzer has 4 hospital affiliations:

  • UCSF Medical Center / Moffitt-Long Hospitals 
  • UCSFMount Zion 

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Additional Information
Dr. William Cyrus Mentzer MD is a male Pediatric Oncologist, has 50 years of experience and practices in Pediatric Hematology-Oncology.
Where does Dr. William C. Mentzer practice?
Dr. William Mentzer has 1 office location.
Dr. William Mentzer practices Pediatric Hematology-Oncology near San Francisco, CA.
See San Francisco Oncologists.