Robert Ownbey, MD, Board Certified in Anatomic Pathology
Robert T. Ownbey, M.D.
Department of Pathology
Sky Ridge Medical Center
10101 Ridgegate Pkwy
Lone Tree, CO 80124
(720) 225-1266
Education
M.D., Eastern Virginia Medical School, Norfolk, Virginia 1993
B.S, Biology (Magna Cum Laude), Adelphi University, Garden City, New York 1988
A.S., Biology, Nassau Community College, Uniondale, New York 1986
Postdoctoral Training
Surgical Pathology Fellowship, University of Massachusetts Medical School/UMass
Medical Center, Worcester, MA 2000 - 2001
Anatomic & Clinical Pathology Residency, University of Massachusetts Medical
School/UMass Medical Center, Worcester, MA 1996 - 2000
- Chief Resident Anatomic Pathology 1/00 – 6/00
- Chief Resident Clinical Pathology 7/99 - 12/99
- Chief Resident Anatomic Pathology 1/99 - 6/99
- Acting Chief Resident Anatomic Pathology 8/98 -11/98
- Acting Chief Resident Clinical Pathology 4/97 - 6/97
Family Medicine Residency, University of Massachusetts Medical School/UMass
Medical Center, Worcester, MA 1993 – 1994
Research Fellow 1994 - 1996
Supervisor: Andrew Luster, M.D., Ph.D.
Infectious Disease, Harvard University/Massachusetts General Hospital, Boston, MA
Academic Appointments
Associate Professor
Department of Pathology & Laboratory Medicine, Philadelphia, Pennsylvania 2001 - 2017
Leadership Positions
Director, Autopsy Services
Drexel University College of Medicine/Hahnemann University Hospital, Philadelphia, 2004 - 2017
Pennsylvania
Director, Regional Autopsy Service 2004 - 2017
Drexel University College of Medicine, Philadelphia, Pennsylvania
Associate Director, Pathology Residency Program 2006 - 2010
Drexel University College of Medicine, Philadelphia, Pennsylvania
Pathology Residency Core Curriculum Committee Member 2014 - 2017
Drexel University College of Medicine, Philadelphia, Pennsylvania
Surgical and Invasive Procedure Review Committee Faculty Representative for 2005 - 2017
Quality Assurance, Drexel University College of Medicine/Hahnemann University
Hospital, Philadelphia, Pennsylvania
Cancer Committee Member 2002 - 2005
Drexel University College of Medicine, Medical College of Pennsylvania Hospital,
Philadelphia, Pennsylvania
Cancer Committee Member 2018- 2022
Rose Medical Center
Gynecologic Oncology Work Group, Denver Region 2019 - present
Other Positions and Employment
Laboratory Technician, Mercy Hospital, Rockville Centre, New York 1988 - 1989
Professional Memberships and Activities
United States & Canadian College of Pathology Member
College of American Pathologists Member
American Society of Clinical Pathologists
Educational Activities
Educational Administration and Leadership
Member, Core Curriculum Committee, Pathology Residency Program, Drexel 2014 - 2017
University College of Medicine
Associate Director, Pathology Residency Program, Drexel University College of Medicine 2006 - 2010
Teaching Activities
Instructor, Drexel University College of Medicine, Year 2 Pathology course (lectures 2001 - 2017
and laboratory)
Clinical Teaching and Supervision
Clinical instructor and mentor, Pathology Residency Program, Drexel University 2005 - 2017
College of Medicine/Hahnemann University Hospital
Clinical instructor and mentor, Pathology Residency Program, Drexel University 2001 - 2003
College of Medicine/Medical College of Pennsylvania Hospital
Graduate Student Education
Instructor, Drexel University College of Medicine, Pathologist’s Assistant M.S. Program 2004 - 2017
Instructor, Drexel University College of Medicine, Forensic Science M.S. Program 2008 - 2017
Development of Curricula and Educational Materials 2005 - 2012
Developed a dynamic 2 year core curriculum series of weekly presentations
for the Drexel University College of Medicine Pathology Residency Program
Developed didactic presentations for Drexel University College of Medicine 2001 - 2017
Pathology Residency Program
Developed didactic presentations for Drexel University College of Medicine 2001 - 2017
2nd year Medical Students
Developed evaluation forms, both general and rotation specific for Drexel University 2006 – 2010
College of Medicine Pathology Residency Program 2015 - 2017
Advising and Mentoring
Students
Advisor to fourth year medical students pursuing a pathology residency program position 2001 - 2017
Residents
Mentor and advisor to pathology residents of Drexel University College of Medicine 2001 - 2017
Practice
Certification and Licensure
Diplomate, American Board of Pathology; Certification in Anatomic Pathology 2005
Pennsylvania State Medical License 2001 - 2018
Colorado State Medical License 2018 - present
Clinical Activities
Drexel University Pathology Years
Hahnemann University Hospital (Anatomic Pathology, Full Time [2005 - Present] 2001 - 2017
and On-Call)
Medical College of Pennsylvania Hospital (Anatomic Pathology, Full Time and On-Call) 2001 - 2005
Graduate Hospital (Anatomic Pathology, Vacation Coverage and On-Call) 2001 - 2007
Warminster Hospital (Anatomic & Clinical Pathology, Vacation Coverage and On-Call) 2001 - 2007
Parkview Hospital (Anatomic & Clinical Pathology, Vacation Coverage) 2001 - 2003
Elkins Park Hospital (Anatomic & Clinical Pathology, Vacation Coverage) 2001 - 2003
Eastern Regional Medical Center/Cancer Treatment Centers of America (Anatomic 2006 - 2014
Pathology weekly coverage every 6 weeks and On-Call)
HCA
Rose Medical Center (Anatomic & Clinical Pathology, Full Time and On-Call) 2018 – 2022
Sky Ridge Medical Center (Anatomic & Clinical Pathology, Full Time and On-Call) 2022 - present
Clinical Innovations and Quality Improvement Projects
Surgical Pathology Reporting, Quality Improvement 2005 - 2010
- Review randomly selected surgical pathology reports for errors
- Developed a form to document all cases presented at tumor boards to make note of additional clinical information and possible additional studies requested by clinicians
Laboratory Information System BPT 2018 - present
Invited Presentations
National Public Radio interview for “The Pulse”: June 2, 2016
“The Body: The Science and History of Human Remains”
National Public Radio interview: May 17, 2011
“Drop in autopsy rates represents missed opportunities, pathologists say”
Professional Development
ACGME Program Directors Annual Meeting 2006 - 2010
Bibliography
Published full-length papers
Garcia-Zepeda, E.A., Rothenberg, M.E., Ownbey, R.T., Celestin, J., Leder, P. and Luster, A.D. Human Eotaxin is a Specific Chemoattractant for Eosinophil Cells and Provides a New Mechanism to Explain Tissue Eosinophilia. Nature Medicine. 2 (4): 1996 April.
Rothenberg, M.E., Ownbey, R.T., Mehlhop, P.D., Loiselle, P.M., van de Rijn, M., Bonventre, J.V., Oettgen, H.C., Leder, P. and Luster, A.D. Eotaxin Triggers Eosinophil-Selective Chemotaxis and Calcium Flux Via a Distinct Receptor and Induces Pulmonary Eosinophilia in the Presence of Interleukin 5 in Mice. Molecular Medicine. 2 (3): 334-48, 1996 May.
MacLean J.A., Ownbey, R.T. and Luster, A.D. T Cell-Dependent Regulation of Eotaxin in Antigen-Induced Pulmonary Eosinophilia. Journal of Experimental Medicine. 184 (4): 1461-9, 1996 Oct. 1.
Navasuma Havaligi, Adarsh Bhimraj, Robert T. Ownbey, Han C. Ryoo, Frank Patrick, Herbert Patrick. The Significance of Particulate Matter Detected In Sarcoid Granulomas Using Polarizing Light Microscopy. Chest Meeting Abstract. Oct 2005.
Ownbey, R., Fraire, A. and Irwin, R.S. Interpretation of Histopathologic Airway Changes Associated with Cough. [Controlled Clinical Trial. Journal Article] Chest. 130(2): 362-70, 2006 Aug.
Meena R. Sharma, Lauren Koltowski, Robert T. Ownbey, George P. Tuszynski and Mahesh C. Sharma. Angiogenesis Associated Protein Annexin II in Breast Cancer: Selective Expression in Invasive Breast Cancer and Contribution to Tumor Invasion and Progression. Experimental and Molecular Pathology. 81 (2): 146-56, 2006 Oct.
Ownbey RT. Invading Papillary Fibroelastoma. [comment]. [Comment. Editorial] Journal of Thoracic & Cardiovascular Surgery. 132(6):1256, 2006 Dec.
Priya Bakaya, Yeilim Cho, Robert T. Ownbey, Han C. Ryoo, Herbert Patrick. Morphologic Classification Of Polarizing Particulate Matter In Biopsy Specimens Of Sarcoidosis Patients. Chest Meeting Abstract. 132 (4 meeting abstracts), September 2007.
Sharma M, Ownbey RT, Sharma MC. Breast Cancer Cell Surface Annexin II Induces Cell Migration and Neoangiogenesis Via tPA Dependent Plasmin Generation. Exp Mol Pathol. 2010 Apr; 88(2):278-86. Epub 2010 Jan 15
Karissa Lozenski, Robert Ownbey, Brian Wigdahl, Tina Kish-Catalone, Fred C Krebs. Decreased Cervical Epithelial Sensitivity to Nonoxynol-9 (N-9) After Four Daily Applications in a Murine Model of Topical Vaginal Microbicide Safety. BMC Pharmacology & Toxicology. 10/2012; 13(1):9
Andrew S. Wu, MD, Sameer Kalghatgi, PhD, Danil Dobrynin, PhD, Rachel Sensenig, MD, Ekaternia Cerchar, MD, Erica Podolsky, MD, Essel Dulaimi, MD, Michelle Paff, BS, Kimberly Wasko, CVT, Krishna Priya Arjunan, PhD, Kristin Garcia, BS, Gregory Fridman, PhD, Manjula Balasubramanian, MD, Robert Ownbey, MD, Kenneth A. Barbee, PhD, Alexander Fridman, PhD, Gary Friedman, PhD, Suresh G. Joshi, MD, PhD, and Ari D. Brooks, MD. Porcine Intact and Wounded Skin Responses to Atmospheric Nonthermal Plasma. Journal of Surgical Research. XXX (2012) EI-EI2
Liu, Jinglan; Ownbey, Robert T; Boc, Steven F; Pezanowski, Donna M; Patel, Dilipkumar M; Sadri, Soorena; Vincent, Gregory A; de Chadarevian, Jean-Pierre. Pseudotetraploid Clone with Structural Chromosomal Rearrangements in a Chondromyxoid Fibroma: A Case Report. Pediatric and Developmental Pathology : The official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society. 16(3): 201-5, 2013 May-Jun.
Matthew P. Keisling, Ian A. Seemungal, Diana I. Mercado, Spencer Voth, Amanda Michael, Beatriz L. Gomez, Cesar Munoz, Hans P. Schlecht, Beth Carlisle Mapow, Robert T. Ownbey, Suresh G. Joshi and Christopher L. Emery. Rhinocerebral Mucormycosis in a Patient with Pre-B cell Acute Lymphoblastic Leukaemia: PCR Identifying Rhizopus oryzae from Culture- Negative Tissue Specimens. JMM Case Reports. 2014, paper no. jmmcr000984
Foster, Deshka; Shaikh, Mohammad F; Gleeson, Elizabeth; Babcock, Blake D; Lin, Jianping; Ownbey, Robert T; Hysell, Mark E; Ringold, Daniel; Bowne, Wilbur B. Pancreatic Mucinous Cystic Neoplasm In a Transgender Patient. World Journal of Surgical Oncology. 13:205, 2015 Jun 24.
Kemmerer, Eric J., MD, MS, Gleeson, Elizabeth, MD, MPH, Poli, Jaganmohan MBBS, Ownbey, Robert T, MD, Brady, Luther W MD, Bowne, Wilbur B MD. Benefit of Radiotherapy in Extraskeletal Myxoid Chondrosarcoma: A Propensity Score Weighted Population-Based Analysis of the SEER Database. American Journal of Clinical Oncology. 41(7):674-680, July 2018
Abstracts
Andrei Plagov, MD, Linette Mejias, MD, Robert Ownbey, MD. A Unique Autopsy Case of Sudden Death In a Patient with Lipomatous Hypertrophy of the Interatrial Septum and Mitral Valve Fibrotic Thickening Extending to the Conduction System Associated with Rhythm Disturbance. College of American Pathologists 2014 Meeting, Poster Presentation
Ahmed A Abdulrahman MD, Scott D Richard MD, Robert Ownbey MD and Suganthi Soundararajan MD. Histomorphologic Study of Exogenous Testosterone Effects on the Uterus and Ovaries of Female to Male Transgender Patients. USCAP 2016 Meeting, Poster Presentation.
Extramural and Intramural Support
Massachusetts General Hospital/Harvard Medical School
Research on T-cell dependent regulation of eotaxin in antigen-induced pulmonary eosinophilia
Supported by National Institute of Health grants KO8-AI1245 to J.A. MacLean and RO1-CA69212 to A.D. Luster; by an Allen & Hanbury’s Respiratory Diseases research award to J.A. MacLean; and by a Cancer Research Institute/Benjamin Jacobson Family Investigator award to A.D. Luster.
Drexel University
Research on angiogenesis-associated protein annexin II in breast cancer
Supported by Pennsylvania Department of Public Health and United States Department of Defense grant DAMD17-03-1-0761 to MCS and NIH R01 CA88931 to GPT and MCS.
Investigation of decreased cervical epithelial sensitivity to nonoxynol-9 in a murine model
Supported by a grant from the National Institute of Allergy and Infectious Diseases, National Institute of Health 1 U19 AI076965
Financial relationships
-
Nature of financial relationship:There are no financial relationships to disclose.Date added:02/19/2025Date updated:02/19/2025

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