Gregory Diamanti

Primary specialty

Social WorkerTaxonomy code 104100000X

Practice address

3633 E Broadway
Long Beach, CA 90803-6035

Phone

(562) 285-1330

NPI assigned

Sep 14, 2026

Sex

Male

Sole proprietor

Yes

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

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

{
    "created_epoch": "1789344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1275444796",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3633 E BROADWAY",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908036035",
            "telephone_number": "562-285-1330"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3633 E BROADWAY",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908036035",
            "telephone_number": "562-285-1330"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAMANTI",
        "first_name": "GREGORY",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-14",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Katherine Ann Di Leo, DDS
• Bianca Desiree Di Marzio, NP
• Brandon Di Miceli, ACNP-AG
• Dominic Di Tomasso
• Carrie Denise Dial, NP
• Diamond Senior Living
• Jeffrey Diamond, D.D.S.
• Wendy Diamond
• Diane L. Johnson M.D. Inc
• Edgar Diaz Avalos

• Social Worker in Long Beach, CA
• Providers in Long Beach, CA by specialty
• Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.