Mary Nicholls

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

LH61588430 Issued in WA

Practice address

4120 Stone Way N
Seattle, WA 98103-8014

Phone

(206) 545-8643

NPI assigned

Jan 25, 2017

Last updated

Dec 19, 2025By the provider in NPPES

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

State licenses

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

{
    "created_epoch": "1485302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1063959278",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2133 FERRY AVE SW",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981162109",
            "telephone_number": "206-434-9942"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4120 STONE WAY N",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981038014",
            "telephone_number": "206-545-8643"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NICHOLLS",
        "first_name": "MARY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-01-25",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "LH61588430",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicholas Koogler DDS PLLC (Cascade Integrative Dentistry)
• Nicholas Maniatis DMD PLLC
• Larry D Nicholas, MA LMHC
• Tristan Irene Nicholas, MSW, RC
• Andrew John Nicholls, LICSW
• Andrew Nichols, LMHC
• Bridget Ann Nichols, RD
• Cara Nichols
• Clara Antionette Nichols, CDPT
• Dakota Lauren Nichols

• 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 Dec 19, 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.