Individual provider Active NPI

Krystal Lynn Alfonzetti, LCSW

  • Clinical Social Worker
  • Danbury, CT
National Provider Identifier
1669187332
Registry record updated May 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
014670 Issued in CT
Practice address
75 West St
Danbury, CT 06810-6528
Phone
(203) 752-8355
NPI assigned
Jan 17, 2023
Last updated
May 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 014670 CT Primary

Addresses

Primary practice location

75 West St
Danbury, CT 06810-6528

Mailing address

20 Briarcliff MNR
Bethel, CT 06801-2627
Phone (845) 406-0289

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
014670CTMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1673913600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1669187332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 BRIARCLIFF MNR",
            "city": "BETHEL",
            "state": "CT",
            "postal_code": "068012627",
            "telephone_number": "845-406-0289"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 WEST ST",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068106528",
            "telephone_number": "203-752-8355"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALFONZETTI",
        "first_name": "KRYSTAL",
        "middle_name": "LYNN",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-01-17",
        "last_updated": "2026-05-29",
        "certification_date": "2026-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CT",
            "license": "014670",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Danbury, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 2026; 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.