Sona Collective PLLC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Legal business name

SONA COLLECTIVE PLLC

Practice address

1811 Queen Anne Ave N Ste 201
Seattle, WA 98109-2850

Phone

(720) 909-3451

NPI assigned

Mar 19, 2026

Organization subpart

No

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

Authorized official

Name

Kirsten Hartz, LMHC, LPCNPI 1114406964

Title

Founder

Phone

(720) 909-3451

Specialties & licenses 1

Addresses

Locations

Practitioners 1

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

• Kirsten Hartz

  • Counselor
  • Thornton, CO
  • NPI 1114406964
  NPD Authorized official

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

{
    "created_epoch": "1773878400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773878400000",
    "number": "1336097898",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2123 4TH AVE N APT 5",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981092167",
            "telephone_number": "720-909-3451"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1811 QUEEN ANNE AVE N STE 201",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981092850",
            "telephone_number": "720-909-3451"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SONA COLLECTIVE PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-19",
        "last_updated": "2026-03-19",
        "certification_date": "2026-03-19",
        "status": "A",
        "authorized_official_last_name": "HARTZ",
        "authorized_official_first_name": "KIRSTEN",
        "authorized_official_title_or_position": "FOUNDER",
        "authorized_official_telephone_number": "720-909-3451",
        "authorized_official_credential": "LMHC, LPC"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Son Van Nguyen MD Inc
• Bich Ngoc Ha Son
• Matthew Richards Son, PHARMD
• Max Son, PHARMD
• Michelle Son, RN
• Mark Thomas Sonderman, MD
• Manush Sondhi
• Yvonne Sondy
• Seth R Sonenthal, LICSW, SUDP
• Angela Song

• Mental Health Counselor in Seattle, WA
• Providers in Seattle, WA by specialty
• Mental Health Counselor in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 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.