Individual provider Active NPI

Jason Gene Jost, MA, LMHC, PSYD

  • Mental Health Counselor
  • Seattle, WA
National Provider Identifier
1659438315
Registry record updated Aug 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
LH00010824 Issued in WA
Practice address
1200 Westlake Ave N Ste 504
Seattle, WA 98109-3528
Phone
(206) 329-5146
NPI assigned
Jan 2, 2007
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 30, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X RC00047959 WA
Psychoanalyst 102L00000X CA
Mental Health Counselor 101YM0800X LH00010824 WA Primary

Addresses

Primary practice location

1200 Westlake Ave N Ste 504
Seattle, WA 98109-3528

Mailing address

1200 Westlake Ave N Ste 504
Seattle, WA 98109-3528
Phone (206) 329-5146

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
Credentials
Master of Arts

State licenses

LicenseStateTypeSpecialty
LH00010824WAMDMental Health Counselor
RC00047959WAMDProfessional Counselor

NPI Registry JSON

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

{
    "created_epoch": "1167696000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756512000000",
    "number": "1659438315",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 WESTLAKE AVE N STE 504",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981093528",
            "telephone_number": "206-329-5146"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 WESTLAKE AVE N STE 504",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981093528",
            "telephone_number": "206-329-5146"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOST",
        "first_name": "JASON",
        "middle_name": "GENE",
        "credential": "MA, LMHC, PSYD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-02",
        "last_updated": "2025-08-30",
        "certification_date": "2025-08-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "WA",
            "license": "RC00047959",
            "primary": false
        },
        {
            "code": "102L00000X",
            "taxonomy_group": "",
            "desc": "Psychoanalyst",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "LH00010824",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 30, 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.