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Dennis A Cullen

Dennis A Cullen, MD

Internal Medicine

Highlights

Languages

  • English

Gender

Male

About Dennis A Cullen

Independent Clinician

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Background

Dr. Dennis A. Cullen is an internist affiliated with Sibley Memorial Hospital. He practices out of Cullen, Umosella, Cullen & Cullen in Bethesda, Md. and Oxon Hill, Md.

Dr. Cullen earned his medical degree from Georgetown University School of Medicine. He completed a residency in internal medicine at Georgetown University Hospital. 

Dr. Cullen has been named a Top MD by Consumers’ Checkbook Magazine, as well as a Top Family/General Practitioner and a Top Internist by Washingtonian Magazine. 

Recent News Articles and Media Coverage

Honors

  • Top M.D., Consumers' Checkbook
  • Top Family/General Practitioner, Washingtonian Magazine
  • Top Internist, Washingtonian Magazine

Professional Activities

Washington Nationals Major League Baseball Team, Assistant Team Physician and Team Internist

Locations

  1. Cullen Umosella Cullen & Cullen

Expertise

Education

  • Residency: MedStar Georgetown University Hospital, Internal Medicine, 1985
  • Medical Education: Georgetown University School of Medicine, MD, 1982

Board Certifications

  • Internal Medicine: American Board of Internal Medicine, 1986