Active NPI
Clifford W Feller, MD
- Obstetrics & Gynecology Physician
- Norwalk, CT
National Provider Identifier
1174581706
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 14386
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 32909 | Other | CT | EMPIRE BCBS |
| 00114386600 | Other | CT | BLUE CARE FAMILY PLAN |
| 020014 | Other | CT | HNET |
| 2P109 | Other | CT | OXFORD |
| 44020556 | Other | CT | MULTIPLAN |
| 314386 | Other | CT | CONNECTI CARE |
| 564078 | Other | CT | AETNA HEALTH CARE |
| 010014386CT01 | Other | CT | ANTHEM 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.