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Rebecca Heintzelman

Rebecca Heintzelman, MD

Assistant Professor

Department: Pathology & Laboratory Medicine


  • MD - Drexel University College of Medicine (2006)

Dr. Heintzelman is an assistant professor in the Department of Pathology and Laboratory Medicine at Drexel University College of Medicine.


Dr. Rebecca Heintzelman is board certified in pathology and cytopathology. She completed her pathology residency, followed by fellowship training in cytopathology and hematopathology at Hahnemann University Hospital/Drexel University College of Medicine.

Awards and Honors

  • Alpha Omega Alpha medical honor society (2011)
  • Geoge D. Lumb, M.D. Award for outstanding achievement in the pathology course (2006)


  • College of American Pathologists
  • American Society for Clinical Pathology
  • United States and Canadian Academy of Pathology


Published Full-Length Papers

"Radiotherapy in the treatment of gastrointestinal stromal tumor"
Knowlton CA, Brady LW, Heintzelman RC
Rare Tumors 3(e35): 111-113, 2011.


"Case report: Mycobacterium Tuberculosis as a mimic of lung cancer"
Heintzelman R, Chen X
DrexelMed Journal 5(1): 42, 2011.

"Does cell block quality need to be sacrificed for turn-around time? The impact of rapid microwave processing on cytomorphological and immunohistochemical characteristics"
Heintzelman R, Kimbrell H, Garcia F, Chen X
CytoJournal 8(Suppl I): S71-72, 2011.

"Can positive surgical margins (PSM) and extraprostatic extension (EPE) in Robot-Assisted Laparoscopic Radical Prostatectomies (RALP) be predicted?"
Hawkins JM, Heintzelman RC, Jaffe J, Garcia FU
Accepted for USCAP 2012 Meeting; submitted on October 7, 2011.

"Thymidine phosphorylase expression in B cell lymphomas and its significance: a new prognostic marker?"
Nie X, Clifford PM, Heintzelman R, Abraham M, Hou JS
Accepted for USCAP 2012 Meeting; submitted on October 7, 2011.

"Can apical prostatic adenocarcinoma at biopsy stratify patients for ablative therapies?"
Heintzelman RC, Chen X, Jaffe J, Garcia FU
Modern Pathology 22(Suppl): 172A, 2009.

Contact Information

Practice Office

Drexel Pathology Lab
245 N. 15th Street
Mail Stop 435
Philadelphia, PA 19102
Phone: 215.762.8941
Fax: 215.762.3274