Skip to main content
Dennis Cullen, MD, Internal Medicine, Oxon Hill, MD, Sibley Memorial Hospital

DennisAloysiusCullenMD

Internal Medicine Oxon Hill, MD

Physician

Are you Dr. Cullen?

Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.

  • Connect with colleagues in the same hospital or clinic
    You already have 90 invites waiting!
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

Claim this profile

Not you? Find your profile

Summary

  • Dr. Dennis Cullen, MD is a board certified internist in Oxon Hill, Maryland. He is currently licensed to practice medicine in Maryland and District of Columbia. He is affiliated with Sibley Memorial Hospital.

Education & Training

  • MedStar Health/Georgetown University Hospital
    MedStar Health/Georgetown University HospitalResidency, Internal Medicine, 1984 - 1985
  • Dartmouth-Hitchcock/Mary Hitchcock Memorial Hospital
    Dartmouth-Hitchcock/Mary Hitchcock Memorial HospitalInternship, Internal Medicine, 1982 - 1983
  • Georgetown University School of Medicine
    Georgetown University School of MedicineClass of 1982

Certifications & Licensure

  • DC State Medical License
    DC State Medical License 1984 - 2024
  • MD State Medical License
    MD State Medical License 1990 - 2024
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012
  • Top MD Consumers Checkbook

Hospital Affiliations