Individual provider Active NPI

Clifford W Feller, MD

  • Obstetrics & Gynecology Physician
  • Norwalk, CT
National Provider Identifier
1174581706
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
14386 Issued in CT
Practice address
148 East Avenue
Ste 1E
Norwalk, CT 06851
Phone
(203) 838-9898
Fax
(203) 866-1703
NPI assigned
May 3, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 14386 CT Primary

Addresses

Primary practice location

148 East Avenue
Ste 1E
Norwalk, CT 06851

Mailing address

148 East Avenue
Ste 1E
Norwalk, CT 06851
Phone (203) 838-9898

Other identifiers 8

IdentifierTypeStateIssuer
32909OtherCTEMPIRE BCBS
00114386600OtherCTBLUE CARE FAMILY PLAN
020014OtherCTHNET
2P109OtherCTOXFORD
44020556OtherCTMULTIPLAN
314386OtherCTCONNECTI CARE
564078OtherCTAETNA HEALTH CARE
010014386CT01OtherCTANTHEM BLUE CROSS BLUE SH

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
Credentials
Doctor of Medicine

NPI Registry JSON

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

{
    "created_epoch": "1146614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1174581706",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "148 EAST AVENUE",
            "address_2": "STE 1E",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "06851",
            "telephone_number": "203-838-9898",
            "fax_number": "203-866-1703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "148 EAST AVENUE",
            "address_2": "STE 1E",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "06851",
            "telephone_number": "203-838-9898",
            "fax_number": "203-866-1703"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FELLER",
        "first_name": "CLIFFORD",
        "middle_name": "W",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CT",
            "license": "14386",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "EMPIRE BCBS",
            "identifier": "32909",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CARE FAMILY PLAN",
            "identifier": "00114386600",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HNET",
            "identifier": "020014",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "2P109",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MULTIPLAN",
            "identifier": "44020556",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CONNECTI CARE",
            "identifier": "314386",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA HEALTH CARE",
            "identifier": "564078",
            "state": "CT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BLUE CROSS BLUE SH",
            "identifier": "010014386CT01",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Norwalk, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.