Warren M Klein, M.D.

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

027381 Issued in NJ

Practice address

230 W Jersey St FL 2
Elizabeth, NJ 07202-1364

Phone

(908) 289-1166

Fax

(908) 352-4752

NPI assigned

Sep 14, 2005

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 NJ

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

Rutgers New Jersey Medical School, 1972

Medicare assignment

May accept Medicare assignment

Group practices

Paterson Eye AssociatesGroup PAC ID 3476521402, 2 clinicians

Klein and Scannapiego, MD., PAGroup PAC ID 8224023981, 7 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Klein & Scannapiego, MD., PA

  • Ophthalmology Physician
  • Elizabeth, NJ
  • NPI 1295882587
  Medicare reassignment Care Compare group NPD Authorized official
• Paterson Eye Associates

  • Ophthalmology Physician
  • Elmwood Park, NJ
  • NPI 1902958861
  Medicare reassignment Care Compare group NPD Authorized official
• Center for Excellence in Cataract & Eye Surgery

  • Ophthalmology Physician
  • Elmwood Park, NJ
  • NPI 1588474803
  NPD (past)

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

{
    "created_epoch": "1126656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749600000000",
    "number": "1114912342",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "230 W JERSEY ST",
            "address_2": "SUITE 201",
            "city": "ELIZABETH",
            "state": "NJ",
            "postal_code": "072021364",
            "telephone_number": "908-289-1166",
            "fax_number": "908-352-4752"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "230 W JERSEY ST FL 2",
            "city": "ELIZABETH",
            "state": "NJ",
            "postal_code": "072021364",
            "telephone_number": "908-289-1166",
            "fax_number": "908-352-4752"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLEIN",
        "first_name": "WARREN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-14",
        "last_updated": "2025-06-11",
        "certification_date": "2025-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NJ",
            "license": "027381",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0701106",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Stacy King
• Mark Steven Kirk, DC
• Christopher Kishun, PA-C
• Klein & Scannapiego, MD., PA
• Shawn R Klein, MD
• Jennifer Lori Klotzkin, LCSW
• Sonya Knuettel-Ripley, LCSW
• Robert Kogan, M.D.
• Ruth Kolb, SLP CCC
• Nariman Konjkavfard, MD

• Ophthalmology Physician in Elizabeth, NJ
• Providers in Elizabeth, NJ by specialty
• Ophthalmology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2025; 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.