Active NPI
Diane Zou
- Optometrist
- Waterford, CT
National Provider Identifier
1609700962
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 3469
- Practice address
- 909 Hartford Tpke
Waterford, CT 06385-4267 - Phone
- (860) 442-0380
- NPI assigned
- Jun 11, 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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 3469 | CT | Primary |
Addresses
Primary practice location
909 Hartford Tpke
Waterford, CT 06385-4267
Mailing address
1236 Stratfield Rd
Fairfield, CT 06825-1365
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: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Crystal Vision, LLC | Optometrist | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Optometrist
- Waterford, CT
- NPI 1760556393
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1781136000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781136000000",
"number": "1609700962",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1236 STRATFIELD RD",
"city": "FAIRFIELD",
"state": "CT",
"postal_code": "068251365"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "909 HARTFORD TPKE",
"city": "WATERFORD",
"state": "CT",
"postal_code": "063854267",
"telephone_number": "860-442-0380"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZOU",
"first_name": "DIANE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-06-11",
"last_updated": "2026-06-11",
"certification_date": "2026-06-04",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CT",
"license": "3469",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Waterford, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.