Individual provider Active NPI

Mark Dennis Devlin McLean, SUDPT: CDPT.CO.70103

  • Addiction (Substance Use Disorder) Counselor
  • Tumwater, WA
National Provider Identifier
1235047333
Registry record updated Aug 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
CDPT.CO.70103865 Issued in WA
Practice address
9474 Lathrop Industrial Dr SW
Tumwater, WA 98512-1109
Phone
(360) 583-3340
Fax
(360) 322-3804
NPI assigned
Aug 31, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 31, 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 CDPT.CO.70103865 WA Primary

Addresses

Primary practice location

9474 Lathrop Industrial Dr SW
Tumwater, WA 98512-1109

Mailing address

2800 Lilly Rd NE
Olympia, WA 98506-3005
Phone (360) 890-9831

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": "1788134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1235047333",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2800 LILLY RD NE",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985063005",
            "telephone_number": "360-890-9831"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9474 LATHROP INDUSTRIAL DR SW",
            "city": "TUMWATER",
            "state": "WA",
            "postal_code": "985121109",
            "telephone_number": "360-583-3340",
            "fax_number": "360-322-3804"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCLEAN",
        "first_name": "MARK",
        "middle_name": "DENNIS DEVLIN",
        "credential": "SUDPT: CDPT.CO.70103",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-31",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WA",
            "license": "CDPT.CO.70103865",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tumwater, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.