Mark Chase Finlay

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

17332 Issued in TX

Practice address

1010 Land Creek CV Ste 100
Austin, TX 78746-6874

Phone

(203) 556-6766

NPI assigned

Oct 29, 2025

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

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": "1761696000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1760351704",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2803 CANUS CV",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787485132",
            "telephone_number": "203-556-6766"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1010 LAND CREEK CV STE 100",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787466874",
            "telephone_number": "203-556-6766"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FINLAY",
        "first_name": "MARK",
        "middle_name": "CHASE",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-10-29",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "TX",
            "license": "17332",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anna Hardy Finger, LCSW
• Eric Joel Finger, P.T.
• Latham Henry Leeds Fink, M.D., PH.D.
• Vanessa Finkel
• Nicole Eileen Finkelstein, DOM(NM), L.AC., RH
• Angela Finlayson
• Alyssa Finley
• Angela Finley, PHD, LPC
• Margaret R Finley, OT
• Angela Finn, RD

• Addiction (Substance Use Disorder) Counselor in Austin, TX
• Providers in Austin, TX by specialty
• Addiction (Substance Use Disorder) Counselor in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 29, 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.