Marissa Emiko Siu, OTD

Primary specialty

Occupational TherapistTaxonomy code 225X00000X

License

21842 Issued in CA

Practice address

9461 Soaring Oaks Dr
Elk Grove, CA 95758-1075

Phone

(916) 683-3073

NPI assigned

Aug 12, 2026

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": "1786492800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1124943667",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9461 SOARING OAKS DR",
            "city": "ELK GROVE",
            "state": "CA",
            "postal_code": "957581075"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9461 SOARING OAKS DR",
            "city": "ELK GROVE",
            "state": "CA",
            "postal_code": "957581075",
            "telephone_number": "916-683-3073"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIU",
        "first_name": "MARISSA",
        "middle_name": "EMIKO",
        "credential": "OTD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-08-12",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Occupational Therapist",
            "state": "CA",
            "license": "21842",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Josefina Pifer Sipin
• Sireesha Penumetcha, DDS PC
• Andrew Sirivarerattana
• Arianna Sisco
• Corazon Agpad Sison, RN
• Taylor Skidmore
• SKM Agency
• SKM Medical Technology
• Sky HHS LLC
• Joshua Adam Small

• Occupational Therapist in Elk Grove, CA
• Providers in Elk Grove, CA by specialty
• Occupational Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 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.