William Bentley Nash, PH.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

048-00421 Issued in VT

Practice address

4185 St George Rd
Williston, VT 05495-7695

Phone

(802) 651-7735

Fax

(802) 879-5335

NPI assigned

Apr 19, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Philosophy

State licenses

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

{
    "created_epoch": "1145404800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1689639742",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4185 ST GEORGE RD",
            "city": "WILLISTON",
            "state": "VT",
            "postal_code": "054957695",
            "telephone_number": "802-651-7735",
            "fax_number": "802-879-5335"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4185 ST GEORGE RD",
            "city": "WILLISTON",
            "state": "VT",
            "postal_code": "054957695",
            "telephone_number": "802-651-7735",
            "fax_number": "802-879-5335"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NASH",
        "first_name": "WILLIAM",
        "middle_name": "BENTLEY",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "VT",
            "license": "048-00421",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1002474",
            "state": "VT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Psychologist in Williston, VT
• Providers in Williston, VT by specialty
• Psychologist in Vermont

• 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.