NPIMap

Organization Active NPI

Heartmasters Medical Associates PC

  • Cardiovascular Disease Physician
  • Washington, DC
National Provider Identifier
1023812245
Registry record updated Apr 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
Legal business name
HEARTMASTERS MEDICAL ASSOCIATES PC
Practice address
1810 Benning Rd NE
Washington, DC 20002-7253
Phone
(202) 669-5821
NPI assigned
Apr 4, 2025
Last updated
Apr 4, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 4, 2025

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

Authorized official

Name
Ieon Lloyd Dawson, MDNPI 1790776961
Title
Cardiologist /President
Phone
(202) 669-5821

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Health Service Clinic/Center 261QH0100X NU
Medical Specialty Clinic/Center 261QM2500X NU
Cardiovascular Disease Physician 207RC0000X NU Primary

Addresses

Primary practice location

1810 Benning Rd NE
Washington, DC 20002-7253

Mailing address

PO Box 3786
Crofton, MD 21114-3786
Phone (202) 669-5821

National Provider Directory

National Provider Directory
Tax ID family
Heart Masters Medical Center2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1743724800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1743724800000",
    "number": "1023812245",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3786",
            "city": "CROFTON",
            "state": "MD",
            "postal_code": "211143786",
            "telephone_number": "202-669-5821",
            "fax_number": "301-877-6963"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1810 BENNING RD NE",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200027253",
            "telephone_number": "202-669-5821"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "HEARTMASTERS MEDICAL ASSOCIATES PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-04-04",
        "last_updated": "2025-04-04",
        "certification_date": "2025-04-04",
        "status": "A",
        "authorized_official_last_name": "DAWSON",
        "authorized_official_first_name": "IEON",
        "authorized_official_middle_name": "LLOYD",
        "authorized_official_title_or_position": "CARDIOLOGIST /PRESIDENT",
        "authorized_official_telephone_number": "202-669-5821",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QH0100X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Health Service",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 4, 2025; 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.