Individual provider Active NPI

Sienna Guzman

  • Occupational Therapist
  • Modesto, CA
National Provider Identifier
1659285310
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Occupational TherapistTaxonomy code 225X00000X
License
24306 Issued in CA
Practice address
1224 Scenic Dr
Modesto, CA 95350-6137
Phone
(800) 380-9366
NPI assigned
Sep 30, 2026
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X 24306 CA Primary

Addresses

Primary practice location

1224 Scenic Dr
Modesto, CA 95350-6137

Mailing address

3017 Estate Dr
Stockton, CA 95209-1177

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1790726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1659285310",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3017 ESTATE DR",
            "city": "STOCKTON",
            "state": "CA",
            "postal_code": "952091177"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1224 SCENIC DR",
            "city": "MODESTO",
            "state": "CA",
            "postal_code": "953506137",
            "telephone_number": "800-380-9366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUZMAN",
        "first_name": "SIENNA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-09-30",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": "CA",
            "license": "24306",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Modesto, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.