NPIMap

Organization Active NPI

Stacie Pasimio Ms LMFT

Doing business as Castle Rock Family Services

  • Marriage & Family Therapist
  • Ontario, CA
National Provider Identifier
1275193583
Registry record updated Dec 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
Legal business name
STACIE PASIMIO MS LMFT
Doing business as
Castle Rock Family Services
Practice address
3281 E Guasti Rd Ste 713
Ontario, CA 91761-7622
Phone
(909) 600-8134
NPI assigned
Jun 18, 2019
Last updated
Dec 5, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 5, 2025

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

Authorized official

Name
Stacie A PasimioNPI 1346546157
Title
LMFT
Phone
(909) 600-8134

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X NU Primary

Addresses

Primary practice location

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

Mailing address

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

Other practice location 1

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

Other names 1

  • Castle Rock Family Services Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20241101001433 CA Part B Supplier - Clinic/Group Practice 2466985197 Receives reassigned benefits from 6 practitioners
Practice locations: Ontario, CA

National Provider Directory

National Provider Directory

Locations

3200 E Guasti Rd
Ste 178B
Ontario, CA 91761

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

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

Practitioners & affiliated clinicians

Practitioners 11

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1560816000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764892800000",
    "number": "1275193583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3281 E GUASTI RD STE 713",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917617622",
            "telephone_number": "909-600-8134",
            "fax_number": "909-614-8136"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3281 E GUASTI RD STE 713",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917617622",
            "telephone_number": "909-600-8134"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3281 E Guasti Rd Ste 713",
            "address_purpose": "LOCATION",
            "city": "Ontario",
            "state": "CA",
            "postal_code": "917617622",
            "country_code": "US",
            "telephone_number": "909-600-8134",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "STACIE PASIMIO MS LMFT",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-06-18",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A",
        "authorized_official_last_name": "PASIMIO",
        "authorized_official_first_name": "STACIE",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "LMFT",
        "authorized_official_telephone_number": "909-600-8134"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Castle Rock Family Services",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Castle Rock Family Services",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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 Dec 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.