Dennis William McCarthy, MA, LMHC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

LH60086698 Issued in WA

Practice address

1904 3Rd Ave
Ste 915
Seattle, WA 98101-1126

Phone

(206) 595-2659

NPI assigned

May 22, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Mental Health Counselor

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Arts

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

{
    "created_epoch": "1179792000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766707200000",
    "number": "1215147145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1904 3RD AVE",
            "address_2": "STE 915",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981011126",
            "telephone_number": "206-595-2659"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1904 3RD AVE",
            "address_2": "STE 915",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981011126",
            "telephone_number": "206-595-2659"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCARTHY",
        "first_name": "DENNIS",
        "middle_name": "WILLIAM",
        "name_prefix": "Mr.",
        "credential": "MA, LMHC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-05-22",
        "last_updated": "2025-12-26",
        "certification_date": "2025-12-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "WA",
            "license": "LH60086698",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jeanne McCarthy-Kaiser, PHARMD
• Andrea Kretchmer McCarthy, MS, CCC-SLP
• Arden McCarthy, PTA
• Christine McCarthy
• Connor William McCarthy, PT, DPT
• Eve A McCarthy, LMHCA
• Jessica Fay McCarthy
• Kathryn Rae McCarthy
• Lucas McCarthy, MD
• Mark Bradley McCarthy, MSW

• 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 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.