Individual provider Active NPI

Nikeisha Joyanne Williamson, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Rockville Centre, NY
National Provider Identifier
1295630127
Registry record updated Oct 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
408969 Issued in NY
Practice address
100 Banks Ave Apt 1363
Rockville Centre, NY 11570-6215
Phone
(516) 945-9811
NPI assigned
Oct 12, 2026
Last updated
Oct 12, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 408969 NY Primary

Addresses

Primary practice location

100 Banks Ave Apt 1363
Rockville Centre, NY 11570-6215

Mailing address

100 Banks Ave Apt 1363
Rockville Centre, NY 11570-6215
Phone (516) 945-9811

Other names 1

  • Mrs. Nikeisha J. Williamson-Florio Professional name

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1791763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791763200000",
    "number": "1295630127",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 BANKS AVE APT 1363",
            "city": "ROCKVILLE CENTRE",
            "state": "NY",
            "postal_code": "115706215",
            "telephone_number": "516-945-9811"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 BANKS AVE APT 1363",
            "city": "ROCKVILLE CENTRE",
            "state": "NY",
            "postal_code": "115706215",
            "telephone_number": "516-945-9811"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "NIKEISHA",
        "middle_name": "JOYANNE",
        "credential": "PMHNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-10-12",
        "last_updated": "2026-10-12",
        "certification_date": "2026-10-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NY",
            "license": "408969",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NIKEISHA",
            "last_name": "WILLIAMSON-FLORIO",
            "middle_name": "J.",
            "prefix": "MRS.",
            "credential": "PMHNP",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Rockville Centre, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.