11116 Medical Campus Road Hagerstown, MD 21742 image spacer Office 301.790.8000 - TDD 1.800.735.2258
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Denis O'Fallon M.D.

Denis O'Fallon M.D.

(240) 566-3800
Primary Specialties
  • Anesthesiology
     (Board Certified)
  • Primary Office
    First Colonies Anesthesia
    1901 Research Boulevard
    Rockville, MD 20850
    Fax:
    (240) 566-1605
    Web Page:
    www.firstcoloniesanesthesia.com

    Physician Bio

    Denis O’Fallon earned his medical degree from the University of Maryland School of Medicine in Baltimore, Md., and completed his residency at Mercy Hospital of Pittsburg in Pittsburg, PA. He completed a fellowship at Mercy Hospital of Pittsburg in Pittsburg, PA. Dr O’Fallon is board certified in anesthesiology with the American Board of Anesthesiology. Prior to joining Meritus Medical Center’s medical staff, Dr. O’Fallon worked at Frederick Memorial Hospital in Frederick, Md and York Hospital in York, PA.

    11116 Medical Campus Road
    Hagerstown, MD 21742
    301-790-8000
    TDD: 1-800-735-2258
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