Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. John Marra xhas an overall rating of 5.0.


John Marra, MD is a Doctor primarily located in Baltimore, MD. He has 43 years of experience. His specialties include Cardiovascular Disease and Internal Medicine. John Marra is affiliated with MedStar Good Samaritan Hospital, Union Memorial Hospital and Childrens Hosp Of Kings Daughter. He speaks English.


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Locations & Directions

MedStar Medical Group Cardiology at MedStar Good Samaritan Hospital

5601 Loch Raven Blvd
Baltimore, MD 21239

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