Hallowell Todaro ADHD & Behavioral Health Center

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Legal business name

HALLOWELL TODARO ADHD & BEHAVIORAL HEALTH CENTER

Practice address

4530 Union Bay PL NE Ste 214
Seattle, WA 98105-4000

Phone

(206) 420-7345

Fax

(206) 829-9678

NPI assigned

Aug 24, 2026

Organization subpart

No

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

Authorized official

Name

Kathyn Feder, LMHC

Title

Clinical Director

Phone

(206) 420-7345

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1787529600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787529600000",
    "number": "1174430573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4530 UNION BAY PL NE STE 214",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981054000",
            "telephone_number": "206-420-7345",
            "fax_number": "206-829-9678"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4530 UNION BAY PL NE STE 214",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981054000",
            "telephone_number": "206-420-7345",
            "fax_number": "206-829-9678"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "HALLOWELL TODARO ADHD & BEHAVIORAL HEALTH CENTER",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-24",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A",
        "authorized_official_last_name": "FEDER",
        "authorized_official_first_name": "KATHYN",
        "authorized_official_title_or_position": "CLINICAL DIRECTOR",
        "authorized_official_telephone_number": "206-420-7345",
        "authorized_official_credential": "LMHC"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ekaterina Halligan, LMFTA
• Steen Halling, PHD
• Matthew Robert Hallman, M.D.
• Sydney Auyang Hallman, RN
• Gillian Hallock
• Hallowell Todaro Center PLLC
• Janie G Hallstrand
• Teal Sterling Hallstrand
• Lilith Maria Halpe, M.A., LMHC, ATR-BC
• Abigail Carol Halperin

• 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 Aug 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.