Individual provider Active NPI

Danae Sonnenfeld, LCSW

  • Clinical Social Worker
  • Fairfield, CT
National Provider Identifier
1104778273
Registry record updated Feb 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
15847 Issued in CT
Practice address
857 Post Rd Ste 177
Fairfield, CT 06824-6041
Phone
(310) 592-2674
NPI assigned
Feb 11, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 090400 NY
Clinical Social Worker 1041C0700X 15847 CT Primary

Addresses

Primary practice location

857 Post Rd Ste 177
Fairfield, CT 06824-6041

Mailing address

857 Post Rd Ste 177
Fairfield, CT 06824-6041
Phone (310) 592-2674

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
15847CTMDClinical Social Worker
090400NYMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1770768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770768000000",
    "number": "1104778273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "857 POST RD STE 177",
            "city": "FAIRFIELD",
            "state": "CT",
            "postal_code": "068246041",
            "telephone_number": "310-592-2674"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "857 POST RD STE 177",
            "city": "FAIRFIELD",
            "state": "CT",
            "postal_code": "068246041",
            "telephone_number": "310-592-2674"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SONNENFELD",
        "first_name": "DANAE",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-02-11",
        "last_updated": "2026-02-11",
        "certification_date": "2026-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "090400",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CT",
            "license": "15847",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfield, CT

Sources for this page

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