Crystal Breier, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

3324741 Issued in NY

Practice address

215 Klein Rd
Williamsville, NY 14221-1713

Phone

(716) 568-6137

Fax

(716) 568-6130

NPI assigned

Apr 27, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1146096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1558328112",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 ROB ROY PKWY",
            "city": "GRAND ISLAND",
            "state": "NY",
            "postal_code": "140721321",
            "telephone_number": "716-773-6523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "215 KLEIN RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142211713",
            "telephone_number": "716-568-6137",
            "fax_number": "716-568-6130"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BREIER",
        "first_name": "CRYSTAL",
        "name_prefix": "Mrs.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "3324741",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Amanda Brennan, LMHC-P CASAC
• Jennifer Brennan, PT
• Lisa C Brennan, FNP

• Family Nurse Practitioner in Williamsville, NY
• Providers in Williamsville, NY by specialty
• Family Nurse Practitioner in New York

• 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.