Desiree Cas De Guzman

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

40923 Issued in CA

Practice address

1025 Atlantic Ave Ste 101
Alameda, CA 94501-1188

Phone

(510) 268-8120

Fax

(510) 268-8120

NPI assigned

Dec 5, 2017

Sex

Female

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

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1512432000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1962917583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29516 KOHOUTEK WAY",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "945871221",
            "telephone_number": "510-441-8240"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1025 ATLANTIC AVE STE 101",
            "city": "ALAMEDA",
            "state": "CA",
            "postal_code": "945011188",
            "telephone_number": "510-268-8120",
            "fax_number": "510-268-8120"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5510 Doyle St",
            "address_purpose": "LOCATION",
            "city": "Emeryville",
            "state": "CA",
            "postal_code": "946082502",
            "country_code": "US",
            "telephone_number": "209-596-6070",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DE GUZMAN",
        "first_name": "DESIREE",
        "middle_name": "CAS",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-12-05",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "CA",
            "license": "40923",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelly P Dayag, PT
• Maria Victoria Dayandayan
• Alyssa Daye, PH.D.
• Janelle Dayeh
• Derek T. De Armond
• Ismael L De Guzman
• Eliana De Julian
• Erick Geovann De Leon Alvarez
• Katherine De Leon-Ruiz
• Mark Steven De Maria, P.T.

• Speech-Language Pathologist in Alameda, CA
• Providers in Alameda, CA by specialty
• Speech-Language Pathologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.