Individual provider Active NPI

Diane Teresa Duncan

  • Registered Nurse
  • Blauvelt, NY
National Provider Identifier
1578488334
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
88941901 Issued in NY
Practice address
560 Route 303
Blauvelt, NY 10913
Phone
(914) 434-6905
NPI assigned
Aug 11, 2026
Last updated
Aug 11, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered NurseGroup: 193400000X SINGLE SPECIALTY GROUP 163W00000X 88941901 NY Primary

Addresses

Primary practice location

560 Route 303
Blauvelt, NY 10913

Mailing address

560 Route 303
Valley Cottage, NY 10989-1413
Phone (914) 434-6905

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

NPI Registry JSON

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

{
    "created_epoch": "1786406400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1578488334",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "560 ROUTE 303",
            "city": "VALLEY COTTAGE",
            "state": "NY",
            "postal_code": "109891413",
            "telephone_number": "914-434-6905"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "560 ROUTE 303",
            "city": "BLAUVELT",
            "state": "NY",
            "postal_code": "10913",
            "telephone_number": "914-434-6905"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNCAN",
        "first_name": "DIANE",
        "middle_name": "TERESA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-08-11",
        "last_updated": "2026-08-11",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "88941901",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Blauvelt, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.