A team of pioneers in heart and vascular care

We are one of the mid-Atlantic region’s premier providers of heart and vascular care. It’s a position we take pride in and a responsibility we take seriously. Our leadership team ensures we continue to push the envelope in the level of care we provide and in developing the next generation of advanced treatments.

MedStar Heart & Vascular Institute’s leaders are dedicated to applying everything we’ve learned and plotting the course of heart and vascular care for patients in our region for decades to come.

Meet our leadership team:

Stuart F. Seides, MD
Physician Executive Director

George D. Bittar, MD
Chief, Ambulatory Practices, Baltimore Region

Robert A. Lager, MD
Chief, Ambulatory Practices, Washington Region

Sriram Padmanabhan, MD
Chief, Cardiology, MedStar Franklin Square Medical Center

George Ruiz, MD
Chief, Cardiology
MedStar Union Memorial Hospital
MedStar Good Samaritan Hospital

William O. Suddath, MD
Chief, Cardiology
MedStar Southern Maryland Hospital Center

Allen J. Taylor, MD
Chief, Cardiology
MedStar Washington Hospital Center
MedStar Georgetown University Hospital

Christian Shults, MD
Interim Chief, Cardiac Surgery
Washington Region

Michael Fiocco, MD
Chief, Cardiac Surgery
Baltimore Region

Lowell F. Satler, MD
Chief, Interventional Cardiology
MedStar Washington Hospital Center

John Wang, MD
Chief, Interventional Cardiology
MedStar Union Memorial Hospital

Zayd A. Eldadah, MD, PHD
Chief, Cardiac Electrophysiology
MedStar Heart and Vascular Institute

Glenn R. Meininger, MD
Chief, Cardiac Electrophysiology, Baltimore region

Samer Najjar, MD
Chief, Heart Failure and Transplantation Cardiology
MedStar Heart & Vascular Institute

Ron Waksman, MD
Director of Cardiovascular Research and Advanced Education
MedStar Heart & Vascular Institute

Edward Y. Woo, MD
Director, MedStar Vascular Program

Raghuveer Vallabhaneni, MD
Director, Vascular Surgery, Baltimore Region

Cathie Monge
Senior Vice-President and Chief Administrative Officer
MedStar Heart & Vascular Institute

Nancy Bruce, RN, MSN
Vice-President
MedStar Heart & Vascular Institute

Michelle Frymoyer
Vice-President of Operations
Medstar Cardiology Associates

Cheryl Lunnen, RN, BS
Vice-President
MedStar Heart & Vascular Institute

Brooke Patten, PhD
Vice-President, Surgical Services
MedStar Heart & Vascular Institute