Skip to main content
Denis O'Fallon, MD, Anesthesiology, Rockville, MD

DenisJohnO'FallonMD

Anesthesiology Rockville, MD

Physician

Dr. O'Fallon is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. O'Fallon's full profile

Already have an account?

  • Office

    1901 Research Blvd
    350
    Rockville, MD 20850
    Phone+1 301-838-9606
    Fax+1 301-838-9029

Education & Training

  • George Washington University
    George Washington UniversityResidency, Anesthesiology, 1987 - 1987
  • UPMC Medical Education (Mercy)
    UPMC Medical Education (Mercy)Residency, Anesthesiology, 1984 - 1986
  • UPMC Medical Education (Presbyterian Shadyside Hospital)
    UPMC Medical Education (Presbyterian Shadyside Hospital)Internship, Transitional Year, 1983 - 1984
  • University of Maryland School of Medicine
    University of Maryland School of MedicineClass of 1983

Certifications & Licensure

  • MD State Medical License
    MD State Medical License 1990 - 2025
  • PA State Medical License
    PA State Medical License 1984 - 1990
  • American Board of Anesthesiology Anesthesiology