Individual provider Active NPI

Nadine D Ruff

  • Social Worker
  • Hamden, CT
National Provider Identifier
1427880921
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
7664 Issued in CT
Practice address
1 Circular Ave
Hamden, CT 06514-4002
Phone
(203) 809-7864
NPI assigned
Aug 14, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 7664 CT Primary

Addresses

Primary practice location

1 Circular Ave
Hamden, CT 06514-4002

Mailing address

1 Circular Ave
Hamden, CT 06514-4002
Phone (203) 809-7864

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Care Compare profile

Medicare Care Compare
Specialty
Undefined Non-Physician Type (Specify)
Education
Other, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1 Circular Ave
Hamden, CT 06514-4002

1290 Silas Deane Hwy
Wethersfield, CT 06109

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
7664CTMDPharmacist

NPI Registry JSON

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

{
    "created_epoch": "1723593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1427880921",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 CIRCULAR AVE",
            "city": "HAMDEN",
            "state": "CT",
            "postal_code": "065144002",
            "telephone_number": "203-809-7864"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CIRCULAR AVE",
            "city": "HAMDEN",
            "state": "CT",
            "postal_code": "065144002",
            "telephone_number": "203-809-7864"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RUFF",
        "first_name": "NADINE",
        "middle_name": "D",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-08-14",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "CT",
            "license": "7664",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hamden, CT

Sources for this page

Verify at the official NPI Registry.