Michael Marshall, APRN, PMHNP

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

95028122 Issued in CA

Practice address

3200 E Guasti Rd
Ontario, CA 91761-8660

Phone

(909) 755-6610

Fax

(909) 385-3335

NPI assigned

Sep 17, 2009

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Grow Healthcare Group PC

  • Mental Health Counselor
  • San Jose, CA
  • NPI 1154994846

  Psychiatric/Mental Health

  Medicare reassignment NPD
• Marshall Advanced Nursing Practice PC

  • Psychiatric/Mental Health Nurse Practitioner
  • Ontario, CA
  • NPI 1184453052
  NPD Authorized official
• Alondra Loya

  • Case Manager/Care Coordinator
  • Fontana, CA
  • NPI 1568160828
  NPD (past)
• Exodus Recovery, Inc.

  • Community/Behavioral Health Agency
  • Culver City, CA
  • NPI 1164660528
  NPD (past)
• Exodus Recovery, Inc.

  • Community/Behavioral Health Agency
  • Lynwood, CA
  • NPI 1174300412
  NPD (past)
• Retro Analysis, Inc.

  • Psychiatric/Mental Health Nurse Practitioner
  • Redlands, CA
  • NPI 1487288395

  Registered Nurse

  NPD (past)

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

{
    "created_epoch": "1253145600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771891200000",
    "number": "1245563543",
    "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": [
        {
            "address_1": "14677 Merrill Ave",
            "address_purpose": "LOCATION",
            "city": "Fontana",
            "state": "CA",
            "postal_code": "923354219",
            "country_code": "US",
            "telephone_number": "951-643-2340",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARSHALL",
        "first_name": "MICHAEL",
        "credential": "APRN, PMHNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-09-17",
        "last_updated": "2026-02-24",
        "certification_date": "2026-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CA",
            "license": "95028122",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "679231",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gizelle Eva Marrero
• Marsell Consulting and MHS
• Marsell Wellness Center
• Marshall Advanced Nursing Practice PC
• Ashley Marshall
• Trevor Marshall
• Martha S Crisostomo
• Catherine Lynn Martin, PSYCHIATRIC TECH
• Christopher Lee Martin
• Julia Maxeen Martin

• Psychiatric/Mental Health Nurse Practitioner in Ontario, CA
• Providers in Ontario, CA by specialty
• Psychiatric/Mental Health Nurse Practitioner in California

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.