David Leder Kornmehl

Primary specialty

Orthodontics and Dentofacial Orthopedics DentistryTaxonomy code 1223X0400X

License

07615 Issued in NJ

Practice address

275 Forest Avenue
Suite 120
Paramus, NJ 07652

Phone

(201) 992-1894

NPI assigned

Apr 30, 2021

Last updated

Jun 1, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1619740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1285217901",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "275 FOREST AVENUE",
            "address_2": "SUITE 120",
            "city": "PARAMUS",
            "state": "NJ",
            "postal_code": "07652"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 FOREST AVENUE",
            "address_2": "SUITE 120",
            "city": "PARAMUS",
            "state": "NJ",
            "postal_code": "07652",
            "telephone_number": "201-992-1894"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORNMEHL",
        "first_name": "DAVID",
        "middle_name": "LEDER",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-30",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223X0400X",
            "taxonomy_group": "",
            "desc": "Dentist, Orthodontics and Dentofacial Orthopedics",
            "state": "NJ",
            "license": "07615",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Koerner, MD
• Eitan M Kohan, M.D.
• Caroline Kondyra
• Danella Kopal, RN
• Courtney Kopfensteiner, PA-C
• Robert J. Korst, MD
• Barbara Kosa, RD, IBCLC
• Shanthie Elizabeth Koshy-Thomas, RPA-C
• Ron Koshy
• Jill Kossove, P.A.

• Orthodontics and Dentofacial Orthopedics Dentistry in Paramus, NJ
• Providers in Paramus, NJ by specialty
• Orthodontics and Dentofacial Orthopedics Dentistry in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.