Organization Active NPI

Marshall Advanced Nursing Practice PC

  • Psychiatric/Mental Health Nurse Practitioner
  • Ontario, CA
National Provider Identifier
1184453052
Registry record updated Feb 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
Legal business name
MARSHALL ADVANCED NURSING PRACTICE PC
Practice address
3200 E Guasti Rd
Ontario, CA 91761-8660
Phone
(909) 755-6610
Fax
(909) 385-3335
NPI assigned
Jul 30, 2024
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 24, 2026

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

Authorized official

Name
Michael Marshall, PMHNPNPI 1245563543
Title
Manager
Phone
(909) 755-6610

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
Psychiatric/Mental Health Nurse PractitionerGroup: 193400000X SINGLE SPECIALTY GROUP 363LP0808X Primary

Addresses

Primary practice location

3200 E Guasti Rd
Ontario, CA 91761-8660

Mailing address

3200 E Guasti Rd
Ontario, CA 91761-8660
Phone (909) 755-6610

National Provider Directory

National Provider Directory

Locations

3200 E Guasti Rd
Ontario, CA 91761
Phone (909) 240-2565

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1722297600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771891200000",
    "number": "1184453052",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3200 E GUASTI RD",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917618660",
            "telephone_number": "909-755-6610",
            "fax_number": "909-385-3335"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3200 E GUASTI RD",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917618660",
            "telephone_number": "909-755-6610",
            "fax_number": "909-385-3335"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARSHALL ADVANCED NURSING PRACTICE PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-07-30",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A",
        "authorized_official_last_name": "MARSHALL",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_title_or_position": "MANAGER",
        "authorized_official_telephone_number": "909-755-6610",
        "authorized_official_credential": "PMHNP"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "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 Feb 24, 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.