Active NPI
Eugenia Diaz
- General Practice Physician
- Fairfield, CT
National Provider Identifier
1689582686
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- 208D00000X
- Practice address
- 501 Kings Hwy E Ste 110
Fairfield, CT 06825-4859 - Phone
- (855) 444-5664
- NPI assigned
- Aug 31, 2026
- Sex
- Female
- 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 |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | 208D00000X | CT | Primary |
Addresses
Primary practice location
501 Kings Hwy E Ste 110
Fairfield, CT 06825-4859
Mailing address
1309 Riverbank Rd
Stamford, CT 06903-2026
Phone (203) 309-8991
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 003004446 | Other | CT | HUSKY |
Other names 1
- Genna Diaz
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788134400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788134400000",
"number": "1689582686",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1309 RIVERBANK RD",
"city": "STAMFORD",
"state": "CT",
"postal_code": "069032026",
"telephone_number": "203-309-8991"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "501 KINGS HWY E STE 110",
"city": "FAIRFIELD",
"state": "CT",
"postal_code": "068254859",
"telephone_number": "855-444-5664"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIAZ",
"first_name": "EUGENIA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-08-31",
"last_updated": "2026-08-31",
"certification_date": "2026-08-31",
"status": "A"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "CT",
"license": "208D00000X",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HUSKY",
"identifier": "003004446",
"state": "CT"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "GENNA",
"last_name": "DIAZ",
"code": "5",
"type": "Other Name"
}
]
}Other providers in Fairfield, CT
- Sandhya Dhanjal, MD
- Anna Diamantis, LPC
- Diana Kral (Live Free Therapy LLC)
- Raquel Huruta Dias, MD
- Charmaine Diaz, MSN APRN FNP-BC
- Terri C Dierkes, LMSW
- Ryan John Dillon, APRN
- Marleena Dimaggio, APRN
- Discovery Practice Management, Inc (Center For Discovery, Fairfield)
- Discovery Practice Management, Inc (Discovery Mood & Anxiety Program, Fairfield)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.