Skip to main content
Sign In

Mary C. O'Keefe, MD

Assistant Professor


  • B.A., Dartmouth College (2002)
  • M.D., University of Michigan (2010)

Postdoctoral Education:

  • Residency, Combined Anatomic and Clinical Pathology, University of Colorado Health Sciences Center (2010-2014)
  • Residency, Chief Resident, University of Colorado Health Sciences Center (2013-2014)
  • Fellowship, Gynecologic and Breast Pathology, Stanford University Medical Center (2014-2015)

Board Certification:

  • Anatomic Pathology, American Board of Pathology (2014)
  • Clinical Pathology, American Board of Pathology (2014)

Professional Experience: 

  • Assistant Professor, Department of Pathology, Denver Health Medical Center (2015-present)


  • Lindholm K, O'Keefe M. Placental Cytomegalovirus Infection. Arch Pathol Lab Med. 2018 Nov 30. [Epub ahead of print] 
  • Warncke J, White S, O’Keefe M, et al. Primary carcinoid tumor of the bladder. Can J Urol 2018;25(4):9421-9423.
  • Merrick DT, Edwards MG, Franklin WA, Sugita M, Keith RL, Miller YE, Friedman MB, Dwyer-Nield LD, Tennis MA, O'Keefe MC, Donald EJ, Malloy JM, van Bokhoven A, Wilson S, Koch PJ, O'Shea C, Coldren C, Orlicky DJ, Lu X, Baron AE, Hickey G, Kennedy TC, Powell R, Heasley L, Bunn PA, Geraci M, Nemenoff RA. Altered Cell-Cycle Control, Inflammation, and Adhesion in High-Risk Persistent Bronchial Dysplasia. Cancer Res. 2018 Sep 1;78(17):4971-4983. PubMed PMID: 29997230
  • Wheeler L, Westhoff GL, O’Keefe MC, et al. Adenocarcinoma with breast/adnexal and upper gastrointestinal differentiation and arising in an ovarian mature cystic teratoma: a case report.  Int J Gyn Pathol. 2016: 35(1); 72-77
  • O’Keefe MC, Post, M. Pulmonary Capillary Hemangiomatosis: A rare cause of pulmonary hypertension. Archives of Pathology and Laboratory Medicine. 2015: 139(2); 274-277.
  • O’Keefe MC, Contributing Editor, Gynecologic pathology.  Yearbook of Pathology and Laboratory Medicine.  (Raab SS, Bissell MG & Smith ML, Eds) Elsevier, 2014.