Individual provider Active NPI

Lisa C Diaz, AMFT

  • Marriage & Family Therapist
  • Ontario, CA
National Provider Identifier
1659177343
Registry record updated Sep 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
153089 Issued in CA
Practice address
3281 E Guasti Rd # 713
Ontario, CA 91761-7622
Phone
(909) 600-8134
NPI assigned
Feb 22, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family TherapistGroup: 193400000X SINGLE SPECIALTY GROUP 106H00000X 153089 CA Primary

Addresses

Primary practice location

3281 E Guasti Rd # 713
Ontario, CA 91761-7622

Mailing address

3281 E Guasti Rd # 713
Ontario, CA 91761-7622
Phone (909) 600-8134

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
153089CAMDMarriage & Family Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Stacie Pasimio Ms LMFT Marriage & Family Therapist CurrentSince Sep 14, 2025 Accepting new patients

Locations

3281 E Guasti Rd
#713
Ontario, CA 91761
Phone (909) 600-8134

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1740182400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1659177343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3281 E GUASTI RD # 713",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917617622",
            "telephone_number": "909-600-8134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3281 E GUASTI RD # 713",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917617622",
            "telephone_number": "909-600-8134"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "LISA",
        "middle_name": "C",
        "credential": "AMFT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-02-22",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "153089",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ontario, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 2025; 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.