Skip Navigation
Search Menu
Find an Expert


Marlene Stephanie Williams, M.D.

Photo of Dr. Marlene Stephanie Williams, M.D.

Director, Coronary Care Unit, Johns Hopkins Bayview Medical Center

Associate Professor of Medicine


Languages: English, French

Expertise: Acute Coronary Care, Acute Coronary Syndrome (ACS), Acute Myocardial Infarction (AMI), Angina, Atrial Fibrillation, Cardiac Disease, Cardiac Imaging, Cardiology, Cardiomyopathy, Cardiopulmonary Resuscitation, Cardiovascular Disease, Cardiovascular Disease in Women, Cardiovascular Diseases, Cardiovascular Medicine, Cardiovascular Risk Stratification, Chest Pain, Clinical Cardiology, Congestive Heart Failure (CHF), Coronary Artery Disease, Coronary Care Unit, Critical Care Cardiology, Dyslipidemia, Echocardiography, General Cardiology, Heart Attack, Heart Disease, Heart Disease Prevention and Treatment in Women, High Cholesterol, Hypertension, Non-invasive Imaging, Stress Testing, Transesophogeal Echocardiography (TEE), Women's Health more

Research Interests: Antiplatelet Therapy; Platelet Function and Genotyping in Acute Coronary Syndrome; Aspirin Resistance

Request an Appointment

I live in Maryland

Request an appointment through MyChart!

I live outside of Maryland

Request Appointment

I live outside of the United States

Request Appointment


Johns Hopkins Bayview Medical Center
Appointment Phone: 443-997-0270

4940 Eastern Avenue
Baltimore, MD 21224 map
Fax: 410-550-1183



  • Director, Coronary Care Unit, Johns Hopkins Bayview Medical Center
  • Associate Professor of Medicine

Departments / Divisions



  • MD, Columbia University College of Physicians and Surgeons (1992)


  • Johns Hopkins University School of Medicine / Internal Medicine (1995)


  • Mount Sinai Medical Center / Cardiology (1998)
  • Johns Hopkins University School of Medicine / Cardiology (1999)

Board Certifications

  • American Board of Internal Medicine / Cardiovascular Disease (1999)

Research & Publications

Research Summary

Research interests lie with coronary atherosclerosis and platelet function. The particular focus is on platelet function as it relates to the acute coronary syndrome.

Activities & Honors


  • Leadership Program for Women Faculty, Johns Hopkins University SOM, 2009 - 2010
  • Greatest Supporter, Johns Hopkins Bayview, Service Excellence, Progressive Care Unit- Exemplary demonstration of service excellence, 2008 - 2009


  • American College of Cardiology, 1992
  • Association of Black Cardiologists, 1992
  • American Federation for Medical Research, 2002

Professional Activities

  • Johns Hopkins Bayview Medical Center Internal Medicine Clinical Competence Committee, 2012
  • Faculty Senate Elected Representative, 2009 - 2014
  • Johns Hopkins Bayview Medical Center Collaborative Critical Care Joint Practice Committee, 2007
  • Service Excellence Committee, Johns Hopkins Bayview Medical Center, 2007
  • Johns Hopkins Department of Medicine Diversity Council, 2007
Is this you? Edit Profile