Ellyn Hayes, RN

Primary specialty

Critical Care Medicine Registered NurseTaxonomy code 163WC0200X

License

687518 Issued in NY

Practice address

3435 Main Street
Wende Hall
Buffalo, NY 14214

Phone

(716) 984-8169

NPI assigned

Jul 25, 2025

Last updated

Jul 25, 2025By 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

Credentials

Registered Nurse

State licenses

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

{
    "created_epoch": "1753401600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753401600000",
    "number": "1801778188",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3435 MAIN STREET",
            "address_2": "WENDE HALL",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "14214"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3435 MAIN STREET",
            "address_2": "WENDE HALL",
            "city": "BUFFALO",
            "state": "NY",
            "postal_code": "14214",
            "telephone_number": "716-984-8169"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYES",
        "first_name": "ELLYN",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-25",
        "last_updated": "2025-07-25",
        "certification_date": "2025-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "NY",
            "license": "687518",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michaella Marie Hayden, OTR/L
• Shireen Hayden, MS, OTR/L
• Joseph Hayek, DDS
• Cheryl Ann Hayes
• Cheryl J Hayes
• Jeanie Bowen Hayes, MS.SLP
• Kathleen Mary Hayes
• Marissa Lynn Hayes
• Mary Caitlin Hayes
• Maya Hayes, PA

• Critical Care Medicine Registered Nurse in Buffalo, NY
• Providers in Buffalo, NY by specialty
• Critical Care Medicine Registered Nurse in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 2025; 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.