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Maureen Collins Fennell, M.D.

Maureen C Fennell, M.D.

Headshot of Maureen Collins Fennell

Specializes in: Adults (18+ years)





Johns Hopkins Medicine Cardiology

Appointment Phone: 240-238-3760
15005 Shady Grove Road
Suite 340
Rockville, MD 20850 map
Phone: 240-238-3760


Maureen Collins Fennell, M.D., F.A.C.C., received her medical degree from Jefferson Medical College - Thomas Jefferson University. She completed her cardiology fellowship at Duke University Medical Center. Dr. Fennell is board certified in cardiovascular disease. She is also board certified in nuclear cardiology and cardiac CT,  and has successfully taken the Registered Physicians Vascular Interpretation exam.

She practices noninvasive cardiology and her special interests include valvular heart disease, preventive heart disease, women and heart disease, peripheral arterial disease, nuclear cardiology, echocardiography and peripheral vascular ultrasound. more

Departments / Divisions

  • Medicine at Sibley Memorial Hospital
  • Medicine at Suburban Hospital



  • MD; Sidney Kimmel Medical College of Thomas Jefferson University (1991)


  • Internal Medicine; University of Maryland Medical Center (1994)


  • Cardiovascular Disease; Duke University School of Medicine (1997)

Board Certifications

  • American Board of Internal Medicine (Cardiovascular Disease) (1997)
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