John F. Marra, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

D25075 Issued in MD

Practice address

5601 Loch Raven Blvd
Russell Morgan BLCD, Suite 206
Baltimore, MD 21239-2905

Phone

(410) 464-5600

NPI assigned

Mar 14, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Franklin Square Hospital Center, Inc.

  • Orthopaedic Surgery Physician
  • Baltimore, MD
  • NPI 1952722837
  NPD (past)
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1142294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1437128592",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5601 LOCH RAVEN BLVD",
            "address_2": "RUSSELL MORGAN BLCD, SUITE 206",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212392905",
            "telephone_number": "410-464-5600",
            "fax_number": "410-532-4606"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5601 LOCH RAVEN BLVD",
            "address_2": "RUSSELL MORGAN BLCD, SUITE 206",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212392905",
            "telephone_number": "410-464-5600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARRA",
        "first_name": "JOHN",
        "middle_name": "F.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MD",
            "license": "D25075",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael A Marquez, PSY.D.
• Mirna Marquez
• Leticia Marquina-Santos, LMSW
• Kaitlin M Marquis, MD
• Bonnie Katherine Marr, M.D.
• Majd Marrache, MD
• Dina Marrakchi El Fellah
• Joel Edgardo Marrero-Sanchez, PHRAMD
• Shannon Lynne Marriott, PA-C
• Myrna Marron, MD

• Cardiovascular Disease Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Cardiovascular Disease Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.