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Molly S. Stumacher, M.D.



  • Hematology

    Board Certified in 2008
  • Oncology

    Board Certified in 2007


Bryn Mawr Medical Arts Pavilion
825 Old Lancaster Road
Suite 440
Bryn Mawr, PA 19010
Phone: (610) 525-4511
Fax: (610) 525-8561

Education & Training

Medical School

Harvard Medical School, Boston, MA


Department of Medicine, Brigham and Women’s Hospital, Boston, MA


Division of Hematology-Oncology, Department of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA


  • Bryn Mawr Hospital
  • Lankenau Hospital
  • Paoli Hospital

Clinical/Dept Titles

Attending Physician

Research Experience

  • CD40 antibody for the treatment of advanced solid tumors (Phase I study), PI: Robert Vonderheide, M.D., University of Pennsylvania Department of Hematology-Oncology, 2005-2006
  • CTLA4 antibody in the treatment of advanced breast cancer (Phase I study), PI: Susan Domchek, M.D., University of Pennsylvania Department of Hematology-Oncology, 2005-2006
  • The use of executive summaries in cancer patients’ consent to clinical trial enrollment (Phase II study), PI: Jane Weeks, M.D. and Steven Joffe, M.D., Dana Farber Cancer Institute, 2003


  • Vonderheide, RH, Flaherty KT, Khalil M, Stumacher MS, et al. Clinical activity and immune modulation in cancer patients treated with CP-870,893, a novel CD40 agonist monoclonal antibody. J Clin Oncol. 2007 Mar 1;25(7):876-83.
  • Stumacher, M, Domchek S. Update on chemoprevention in BRCA1and BRCA2 mutation carriers. Breast Cancer Online. 2005 Vol. 8 Issue 9.
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