Gillian Hallock

Primary specialty

CounselorTaxonomy code 101Y00000X

Practice address

201 16TH Ave E
Seattle, WA 98112-5226

Phone

(509) 294-5871

NPI assigned

Oct 1, 2021

Sex

Female

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Community Psychiatric Clinic Inc

  • Community/Behavioral Health Agency
  • Seattle, WA
  • NPI 1629120159
  NPD (past)
• Sound

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Tukwila, WA
  • NPI 1780774950
  NPD (past)

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

{
    "created_epoch": "1633046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1043982622",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2521 NE 107TH ST",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981256707",
            "telephone_number": "509-294-5871"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 16TH AVE E",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981125226",
            "telephone_number": "509-294-5871"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLOCK",
        "first_name": "GILLIAN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-10-01",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hallie Aldrich
• Ekaterina Halligan, LMFTA
• Steen Halling, PHD
• Matthew Robert Hallman, M.D.
• Sydney Auyang Hallman, RN
• Hallowell Todaro ADHD & Behavioral Health Center
• Hallowell Todaro Center PLLC
• Janie G Hallstrand
• Teal Sterling Hallstrand
• Lilith Maria Halpe, M.A., LMHC, ATR-BC

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 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.