Mariapaz Rist

Primary specialty

Social WorkerTaxonomy code 104100000X

License

136664 Issued in CA

Practice address

9500 Haven Ave
Rancho Cucamonga, CA 91730-5807

Phone

(909) 980-6700

NPI assigned

Jun 25, 2015

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1435190400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1881076800",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25910 ACERO STE 160",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926912777",
            "telephone_number": "877-527-7227"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9500 HAVEN AVE",
            "city": "RANCHO CUCAMONGA",
            "state": "CA",
            "postal_code": "917305807",
            "telephone_number": "909-980-6700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RIST",
        "first_name": "MARIAPAZ",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-25",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CA",
            "license": "136664",
            "primary": true
        },
        {
            "code": "373H00000X",
            "taxonomy_group": "",
            "desc": "Day Training/Habilitation Specialist",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "225400000X",
            "taxonomy_group": "",
            "desc": "Rehabilitation Practitioner",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marianne Rios
• Michelle David Rios, M.S., SLP
• Rise to Grind Foundation
• Amanda Risley, RBT
• Stacey A Risotti, LCSW
• Vicky Ristau, PHARM.D.
• Caitlin A Rivas
• Karen Rivas
• Raymond Rivas, D.C.
• Reuben Albert Rivas

• Social Worker in Rancho Cucamonga, CA
• Providers in Rancho Cucamonga, CA by specialty
• Social Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 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.