James M Weisz, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

036730 Issued in CT

Practice address

46 Prince St
New Haven, CT 06519-1600

Phone

(203) 365-6565

Fax

(203) 365-6567

NPI assigned

Feb 21, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Ophthalmology

Education

Columbia University College of Physicians and Surgeons, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Connecticut Retina Consultants LLCGroup PAC ID 2769573765, 7 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jweisz4950@direct.ynhh.org

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.

• Connecticut Retina Consultants LLC

  • Ophthalmology Physician
  • New Haven, CT
  • NPI 1134246853
  Medicare reassignment Care Compare group NPD
• Mendelsohn Medical LLC

  • Neurology Physician
  • Sherman, CT
  • NPI 1366850521
  NPD (past)

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

{
    "created_epoch": "1140480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1639144967",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "46 PRINCE ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191600",
            "telephone_number": "203-365-6565",
            "fax_number": "203-365-6567"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "46 PRINCE ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191600",
            "telephone_number": "203-365-6565",
            "fax_number": "203-365-6567"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISZ",
        "first_name": "JAMES",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-21",
        "last_updated": "2026-07-13",
        "certification_date": "2023-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CT",
            "license": "036730",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001367300",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Erica Lise Weiss
• Leslie Bloch Weiss, PH.D.
• Pnina G Weiss, MD
• Robert M Weiss, MD
• Ruth Ellen Weissberger, MD
• Natalie Rose Welch
• Stephen Paul Welch, PA-C
• Cynthia M Welchek, RPH, MS
• David S Well, M.D.
• Chevaughn Donna-Marie Wellington

• Ophthalmology Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Ophthalmology Physician in Connecticut

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.