NEED ASSISTANCE? | CALL 888-354-3422

MedStar Medical Group Cardiology at MedStar Good Samaritan Hospital

Couple with physician
MedStar Health cardiologists are part of MedStar Heart & Vascular Institute, the region’s leaders in cardiovascular care and research, offering a unique clinical and research alliance with the Cleveland Clinic Heart and Vascular Institute, the nation’s #1 heart program. We provide the individualized attention you need. Working closely with your primary care provider, we make your health our top priority.

Specialized care, including:

  • Specialty Cardiology Services in Cardiac Surgery
  • Advanced Heart Failure
  • Cardiac Electrophysiology
  • Vascular Surgery
  • Cardiovascular Research
We offer the following benefits:

  • Easy access 24/7, regardless of your cardiovascular needs
  • Easy-to-schedule, timely appointments
  • Coordinated care, working closely with your primary care provider
  • Most insurance plans accepted

Comprehensive care when and where you need it

With ten hospitals, hundreds of sites of service, thousands of other specialists and other providers – MedStar Health offers coordinated, comprehensive care when and where you need it. Complex medical conditions often call for integrated delivery of several specialties. Coordinating specialists, hospital care and other providers, our cardiologists use their knowledge and clinical expertise to diagnose and deliver care across a range of needs.

Meet Our Team

Ryan Merson

Tolulope A. Agunbiade, MD

Ryan Merson

Ali Keramati, MD

 Dawn Kershner, DO

John Marra, MD

Ryan Merson

Ryan Merson, PA-C

Raymond Young, MD

Raymond Young, MD

Michelle Zikusoka, MD

Michelle Zikusoka, MD

Office Information:

Address: 5601 Loch Raven Blvd.,
Russell Morgan Building, Suite 206,
Baltimore, MD 21239

Phone Number: 443-444-4700 

Fax Number: 443-444-4606

Hours of Operation: Monday-Friday 8 a.m. to 5 p.m.


Ride With Uber

We have partnered with Uber to create a convenient ride option to get you to and from your appointments. Set a reminder and you will receive a text message when it is time to hail your ride.


Make an Appointment

To schedule an appointment with a specialist, use our online request form below.