Diane Decker Knasin, MA LMHC NCC CADAC

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

GR10297004 Issued in MA

Practice address

178 Lauren Drive
Seekonk, MA 02771

Phone

(508) 336-9895

Fax

(508) 557-1014

NPI assigned

Dec 4, 2006

Last updated

Sep 11, 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 4

Addresses

Other identifiers 10

Other names 1

• Dionne M Decker Professional name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Arts

State licenses

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

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    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1033277256",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "178 LAUREN DRIVE",
            "city": "SEEKONK",
            "state": "MA",
            "postal_code": "02771",
            "telephone_number": "508-336-9895",
            "fax_number": "508-557-1014"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "178 LAUREN DRIVE",
            "city": "SEEKONK",
            "state": "MA",
            "postal_code": "02771",
            "telephone_number": "508-336-9895",
            "fax_number": "508-557-1014"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNASIN",
        "first_name": "DIANE",
        "middle_name": "DECKER",
        "name_prefix": "Ms.",
        "credential": "MA LMHC NCC CADAC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-04",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "RI",
            "license": "LCDCS00030",
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "MA",
            "license": "GR10297004",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MA",
            "license": "619",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "RI",
            "license": "MHC00009",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "VALUE OPTIONS",
            "identifier": "017915",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST HEALTH",
            "identifier": "2028804",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC HEALTHMATE",
            "identifier": "71569",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CHIP MAGELLAN",
            "identifier": "406351",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PHCS MULTIPLAN",
            "identifier": "341811",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UHC",
            "identifier": "6212949",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "73111137",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAGELLAN",
            "identifier": "10420",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC MAGELLAN",
            "identifier": "1218634",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC",
            "identifier": "LM0429",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "DIONNE",
            "last_name": "DECKER",
            "middle_name": "M",
            "credential": "MA LMHC NCC CADAC",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

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• Addiction (Substance Use Disorder) Counselor in Seekonk, MA
• Providers in Seekonk, MA by specialty
• Addiction (Substance Use Disorder) Counselor in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.