Individual provider Active NPI

Shayna L Hollinquest

  • Mental Health Counselor
  • Los Angeles, CA
National Provider Identifier
1346838398
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
21657 Issued in CA
Practice address
10409 S Western Ave
Los Angeles, CA 90047-4456
Phone
(323) 315-8232
NPI assigned
Jan 5, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 21657 CA Primary
Case Manager/Care Coordinator 171M00000X
Rehabilitation Practitioner 225400000X

Addresses

Primary practice location

10409 S Western Ave
Los Angeles, CA 90047-4456

Mailing address

12003 Avalon Blvd Ste 109
Los Angeles, CA 90061-2859
Phone (323) 483-5552

Other practice location 1

100 W Walnut St Ste 375
Pasadena, CA 91124-0001
Phone (626) 395-7100

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

Practice roles

OrganizationSpecialtyStatusNew patients
Cease for Peace CurrentSince Nov 9, 2025 Accepting new patients

Locations

10409 S Western Ave
Los Angeles, CA 90047
Phone (323) 315-8232

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": "1609804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1346838398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12003 AVALON BLVD STE 109",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900612859",
            "telephone_number": "323-483-5552"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10409 S WESTERN AVE",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900474456",
            "telephone_number": "323-315-8232"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 W Walnut St Ste 375",
            "address_purpose": "LOCATION",
            "city": "Pasadena",
            "state": "CA",
            "postal_code": "911240001",
            "country_code": "US",
            "telephone_number": "626-395-7100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLLINQUEST",
        "first_name": "SHAYNA",
        "middle_name": "L",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-01-05",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "21657",
            "primary": true
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225400000X",
            "taxonomy_group": "",
            "desc": "Rehabilitation Practitioner",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.