Individual provider Active NPI

Matthew Rocky McLean, LMSW

  • Addiction (Substance Use Disorder) Counselor
  • East Hampton, NY
National Provider Identifier
1407768880
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
133080 Issued in NY
Practice address
287 Springs Fireplace Rd
East Hampton, NY 11937-4823
Phone
(631) 329-0373
NPI assigned
Sep 21, 2026
Last updated
Sep 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X 133080 NY Primary

Addresses

Primary practice location

287 Springs Fireplace Rd
East Hampton, NY 11937-4823

Mailing address

62 Crystal Dr
East Hampton, NY 11937-2031
Phone (631) 637-0604

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1789948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1407768880",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "62 CRYSTAL DR",
            "city": "EAST HAMPTON",
            "state": "NY",
            "postal_code": "119372031",
            "telephone_number": "631-637-0604"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "287 SPRINGS FIREPLACE RD",
            "city": "EAST HAMPTON",
            "state": "NY",
            "postal_code": "119374823",
            "telephone_number": "631-329-0373"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCLEAN",
        "first_name": "MATTHEW",
        "middle_name": "ROCKY",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-09-21",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "NY",
            "license": "133080",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in East Hampton, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.