Steven Owen Marx, MD

Electrophysiology Cardiology

Steven Owen Marx, MD

Electrophysiology Cardiology

Specialties: Cardiovascular Disease, Electrophysiology CardiologyMore specialties

Location Info

622 West 168th Street
New York, NY 10032

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About Steven Owen Marx, MD

Steven O. Marx, M.D., is the Director of the Cardiovascular Fellowship Program at Columbia University Medical Center/NewYork-Presbyterian Hospital and is director of the cardiology component of a NIH training grant for cardiology fellows and surgery residents.

His research program in cardiovascular diseases at Columbia has been focused in two major areas: molecular cardiology, particularly the regulation of ion channels in normal and pathological conditions in the heart, and vascular biology, particularly the molecular mechanisms of vascular smooth muscle proliferation, migration and contractility. Working with others at Columbia, Dr. Marx has identified rapamycin (sirolimus) as a therapeutic agent for preventing restenosis after angioplasty/stent implantation. He also characterized the dysfunction of the ryanodine receptor in heart failure. A major focus of Dr. Marx's current research is the regulation of arterial contractility and blood pressure by the ion channels.

Dr. Marx received his B.S. in Biology from Union College and M.D. from Albany Medical College as part of a six-year program. Following a one-year postdoctoral fellowship in ion channel research at Johns Hopkins, he completed an internship and residency at the University of Rochester-Strong Memorial Hospital followed by a Cardiology Fellowship and a Clinical Electrophysiology Fellowship at Mount Sinai Medical Center. He is board certified in Internal Medicine, Cardiology and Clinical Cardiac Electrophysiology. He is also the principal investigator of several NIH R01 grants and a T32 grant. Dr. Marx has served on NIH and AHA peer review committees, is a member of the AHA Founders Affiliate Research Committee, and serves on the New York Academy of Medicine Glorney-Raisbeck Selection Committee.

Board Certifications

  • Cardiovascular Disease
  • Clinical Cardiac Electrophysiology


  • Cardiac Electrophysiology
  • Clinical Cardiac Electrophysiology
  • Clinical Research Trials
  • Outcomes Research
  • Resident Education


  • Fellowship: Mount Sinai Hospital - MD
  • Medical School: Albany Medical College-Union University, NY
  • Residency: Strong Memorial Hospital, NY
  • Internship: Strong Memorial Hospital, NY

Titles & Positions

  • Herbert and Florence Irving Professor of Cardiology (in Medicine) to Honor Dr. Le Roy E. Rabbani

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center

Awards & Honors

  • 1982 Westinghouse Science Talent Search Semi-Finalist
  • 1986 Magna Cum Laude, Biology/Sociology
  • 1988 Alpha Omega Alpha (AOA)
  • 1994-1995 American College of Cardiology/Merck Fellow
  • 1994-1995 John C. Sable Memorial Heart Fund Research Award
  • 1995 American College of Cardiology, NYS Chapter Young Investigator Award
  • 1995 Astra-Merck Young Investigator's Forum Second Prize in Basic Research
  • 1995 The Denber Prize for Research, Mount Sinai Cardiovascular Institute
  • 1996 Katz Award Finalist, American Heart Association
  • 1996-1997 Glorney-Raisbeck Fellowship of the NY Academy of Medicine
  • 1996-2001 Clinician-Scientist Award, American Heart Association

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