Alyssa Denae Casassa Guidero, OTR/L

Primary specialty

Pediatric Occupational TherapistTaxonomy code 225XP0200X

License

60629992 Issued in WA

Practice address

2815 Eastlake Ave E Ste 4
Seattle, WA 98102-3086

Phone

(206) 322-5433

NPI assigned

Feb 24, 2010

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

Other names 1

• Alyssa Denae Casassa Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1266969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775692800000",
    "number": "1336461805",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2815 EASTLAKE AVE E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981023086",
            "telephone_number": "206-322-5433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2815 EASTLAKE AVE E STE 4",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981023086",
            "telephone_number": "206-322-5433"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUIDERO",
        "first_name": "ALYSSA",
        "middle_name": "DENAE CASASSA",
        "credential": "OTR/L",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-02-24",
        "last_updated": "2026-04-09",
        "certification_date": "2026-04-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225XP0200X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Pediatrics",
            "state": "WA",
            "license": "60629992",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALYSSA",
            "last_name": "CASASSA",
            "middle_name": "DENAE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Xianyong Gui, M.D.
• Donna Fallorin Guiang
• Angela Bernadette Guiao-Martinez, D.D.S.
• Heather Carrie Guiberson, LMHC, CDP
• Mary Guiberson
• Feliza Guidero, PSYD
• David M Guidry, ARNP
• Jonathan Guihurt, DO
• Samantha Guijarro, PMHNP
• Amanda Michelle Guild, PHARMD

• Pediatric Occupational Therapist in Seattle, WA
• Providers in Seattle, WA by specialty
• Pediatric Occupational Therapist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 9, 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.