Individual provider Active NPI

Robert A. Wiznia, M.D.

  • Ophthalmology Physician
  • New Haven, CT
National Provider Identifier
1811957640
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
015545 Issued in CT
Practice address
850 Howard Ave
New Haven, CT 06519-1106
Phone
(203) 562-9995
Fax
(203) 562-5898
NPI assigned
Mar 24, 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
Ophthalmology Physician 207W00000X 015545 CT Primary

Addresses

Primary practice location

850 Howard Ave
New Haven, CT 06519-1106

Mailing address

850 Howard Ave
New Haven, CT 06519-1106
Phone (203) 562-9995

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20101025000208 CT Practitioner - Ophthalmology 2264625169 Practice locations: New Haven, CT

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
015545CTMDOphthalmology Physician

NPI Registry JSON

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

{
    "created_epoch": "1143158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1811957640",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "850 HOWARD AVE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191106",
            "telephone_number": "203-562-9995",
            "fax_number": "203-562-5898"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 HOWARD AVE",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191106",
            "telephone_number": "203-562-9995",
            "fax_number": "203-562-5898"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WIZNIA",
        "first_name": "ROBERT",
        "middle_name": "A.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CT",
            "license": "015545",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.