Individual provider Active NPI

Susan Subramanian, LMSW

  • Clinical Social Worker
  • Greenwich, CT
National Provider Identifier
1316877160
Registry record updated May 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
12203 Issued in CT
Practice address
67 Holly Hill LN
Greenwich, CT 06830-6072
Phone
(203) 622-1881
NPI assigned
May 22, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 22, 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 WorkerGroup: 193400000X SINGLE SPECIALTY GROUP 1041C0700X 12203 CT Primary

Addresses

Primary practice location

67 Holly Hill LN
Greenwich, CT 06830-6072

Mailing address

167 Ridgecrest Rd
Stamford, CT 06903-3119
Phone (914) 843-7261

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
12203CTMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1779408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1316877160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "167 RIDGECREST RD",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069033119",
            "telephone_number": "914-843-7261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "67 HOLLY HILL LN",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068306072",
            "telephone_number": "203-622-1881"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SUBRAMANIAN",
        "first_name": "SUSAN",
        "name_prefix": "Ms.",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-05-22",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Social Worker, Clinical",
            "state": "CT",
            "license": "12203",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwich, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 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.