Individual provider Active NPI

Martin James McNamara, MD

  • Cardiovascular Disease Physician
  • Washington, DC
National Provider Identifier
1477172500
Registry record updated Jul 10, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
MD210011931 Issued in DC
Practice address
3800 Reservoir Rd NW Dept of
Washington, DC 20007-2113
Phone
(202) 444-8168
NPI assigned
Apr 9, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X MD210011931 DC Primary

Addresses

Primary practice location

3800 Reservoir Rd NW Dept of
Washington, DC 20007-2113

Mailing address

3800 Reservoir Rd NW Dept of
Washington, DC 20007-2113

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230724002953 DC Practitioner - Cardiovascular Disease (Cardiology) 1355701202 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Georgetown University School of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medstar Heart Institute LLCGroup PAC ID 5698932960, 308 clinicians
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

110 Irving St NW
Washington, DC 20010-3017
Phone (202) 877-2851

1145 19TH St NW
311 MMG at 19TH Street NW
Washington, DC 20036-3735
Phone (202) 429-2401

Hospital & facility affiliations

  • Medstar Washington Hospital Center Hospital, Washington, DC, CCN 090011
  • Frederick Health Hospital Hospital, Frederick, MD, CCN 210005
  • Medstar Montgomery Medical Center Hospital, Olney, MD, CCN 210018
  • Medstar Southern Maryland Hospital Center Hospital, Clinton, MD, CCN 210062

Merit-based Incentive Payment System (MIPS)

Final score
85.94 of 100Reported as group
Quality
66.29
Promoting interoperability
100
Improvement activities
40
Cost
74.65

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD210011931DCMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Oct 1, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince Oct 1, 2025 Accepting new patients
Medstar Heart Institute LLC Cardiovascular Disease CurrentSince Jul 1, 2023 Accepting new patients
Medstar Medical Group II LLC Past Accepting new patients

Locations

110 Irving St NW
Rm 1A50B
Washington, DC 20010
Phone (202) 877-2568

3800 Reservoir Rd NW
Washington, DC 20007
Phone (202) 687-2203

3007 Tilden St NW
Ste 5N
Washington, DC 20008

110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

Organizations & group practices 4

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.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1586390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1688947200000",
    "number": "1477172500",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW DEPT OF",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW DEPT OF",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-8168"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCNAMARA",
        "first_name": "MARTIN",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-09",
        "last_updated": "2023-07-10",
        "certification_date": "2023-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "DC",
            "license": "MD210011931",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.