Individual provider Active NPI

Ann Marie Nelson, M.D.

  • Anatomic Pathology Physician
  • Washington, DC
National Provider Identifier
1699759977
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology PhysicianTaxonomy code 207ZP0101X
License
A36309 Issued in CA
Practice address
6825 16TH St NW
Washington, DC 20306-0003
Phone
(202) 782-2260
Fax
(202) 782-9160
NPI assigned
Dec 1, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology Physician 207ZP0101X A36309 CA Primary

Addresses

Primary practice location

6825 16TH St NW
Washington, DC 20306-0003

Mailing address

1330 Floral St NW
Washington, DC 20012-1766
Phone (202) 882-4704

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A36309CAMDAnatomic Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
American Registry of Pathology Past Accepting new patients
Armed Forces Institute of Pathology Past Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1133395200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699759977",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1330 FLORAL ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200121766",
            "telephone_number": "202-882-4704"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6825 16TH ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "203060003",
            "telephone_number": "202-782-2260",
            "fax_number": "202-782-9160"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NELSON",
        "first_name": "ANN",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "CA",
            "license": "A36309",
            "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 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.