Allyson Massimi, CDN, RDN

Primary specialty

Registered DietitianTaxonomy code 133V00000X

Practice address

4743 Clark St
Hamburg, NY 14075-4023

Phone

(716) 783-2676

NPI assigned

Jul 16, 2025

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

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

{
    "created_epoch": "1752624000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752624000000",
    "number": "1154213932",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4743 CLARK ST",
            "city": "HAMBURG",
            "state": "NY",
            "postal_code": "140754023",
            "telephone_number": "716-783-2676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4743 CLARK ST",
            "city": "HAMBURG",
            "state": "NY",
            "postal_code": "140754023",
            "telephone_number": "716-783-2676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSIMI",
        "first_name": "ALLYSON",
        "credential": "CDN, RDN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-16",
        "last_updated": "2025-07-16",
        "certification_date": "2025-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary M Steenberg-Read, LCSW, PLLC
• Kathryn Marzullo-Cooleen, LMT
• Thomas O Mason, M.D.
• Andrea Massabini, LCSW
• Massage Movement and Wellness, Inc. (Brick by Brick Sports Nutrition)
• Alexandra Mastoras, LCSW
• Nicholas Patrick Masyga, D.O.
• Maria Elena Matala-Sullivan, DO
• Deborah Matteliano, N.P
• James Paul Maurino

• Registered Dietitian in Hamburg, NY
• Providers in Hamburg, NY by specialty
• Registered Dietitian in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 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.