Dr. Marshall S. Flam, M.D.

Dr. Marshall S. Flam, M.D. Get a Second Opinion

Attending Physician, Oncology & Hematology

Veteran’s Administration

Areas of expertise

Hematology, Oncology


Dr. Flam received the bachelor's degree in life sciences and molecular biology at the Massachusetts Institute of Technology, Cambridge, MA and his medical degree from the State University of New York and Downstate Medical Center in New York City. He completed an internship and residency in internal medicine at Bellevue Hospital in New York City at the University of Colorado Medical Center, Denver, CO. He completed fellowships in clinical hematology at the University of Utah Medical Center in Salt Lake City and in clinical oncology at the Sidney Farber Cancer Institute and Peter Bent-Brigham Hospital in Boston.

Prior to establishing a private practice in Fresno, California, Dr. Flam was a Major in the U.S. Air Force, where he served as Director of Hematology and Oncology at the Regional Air Force Hospital, Sheppard, TX. During this period, he was affiliated with NASA and was an instructor in the astronaut training program.

Dr. Flam has served as the President and Laboratory Director of the Hematology and Oncology Medical Group of Fresno, CA and has been Principal Investigator or Co-Principal Investigator of numerous research endeavors. He is currently an Associate Professor of Medicine, Department of Medicine at the University of California at San Francisco.


State University of New York, Downstate Medical Center, New York, NY
University of Utah Medical Center, Salt Lake City, UT
Medicine: University of Colorado Medical Center, Denver, CO
Medicine: University of Colorado Medical Center, Denver, CO
Medical Degree
M.D., F.A.C.P.


Fellow, American College of Physicians
Award for Clinical Research, Northern California Oncology Group 1985, 1988
Member, Board of directors, Association of Northern California Oncologists (2009)
Member, Advisory Board of Cancer Registry of Central California (1985-present)
Member, American Society of Hematology
Member, American Society of Clinical Oncology
Member, American Society of Cancer Chemotherapy
Major, United States Air Force, Chief of Division of Hematology and Oncology, Department of Medicine, United States Air Force Regional Hospital, Sheppard Air Force Base, TX (1971-1973)
Medical Consultant to NASA, Instructor to Astronauts, Project Skylab, NASA, Houston, TX (1072-1973)
Instructor, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NB (1973)
Associate Clinical Professor, School of Medicine, University of California, San Francisco (1989-present)
Corporate President and Director of Laboratory: Hematology and Oncology Medical Group of Fresno, Inc. (1975-present)


Available on request