Individual provider Active NPI

Sierra Mason, LCSW

  • Clinical Social Worker
  • Bemus Point, NY
National Provider Identifier
1770122111
Registry record updated Aug 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
103397 Issued in NY
Practice address
3042 Route 430
Bemus Point, NY 14712-9710
Phone
(716) 490-7900
NPI assigned
Jan 2, 2020
Last updated
Aug 21, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 103397 NY Primary

Addresses

Primary practice location

3042 Route 430
Bemus Point, NY 14712-9710

Mailing address

220 5TH Ave FL 11
New York, NY 10001-8017
Phone (716) 490-7900

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": "1577923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1770122111",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "220 5TH AVE FL 11",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100018017",
            "telephone_number": "716-490-7900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3042 ROUTE 430",
            "city": "BEMUS POINT",
            "state": "NY",
            "postal_code": "147129710",
            "telephone_number": "716-490-7900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASON",
        "first_name": "SIERRA",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-01-02",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "103397",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bemus Point, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.