Leon A Wertheimer, DDS

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

DS 019271-L Issued in PA

Practice address

352 Montgomery Ave
Merion, PA 19066-1202

Phone

(610) 668-0606

Fax

(610) 668-8427

NPI assigned

Feb 17, 2006

Sex

Male

Sole proprietor

Yes

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, last updated by the provider on Aug 9, 2026.

{
    "created_epoch": "1140134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786233600000",
    "number": "1023083672",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "118 SUMMIT LN",
            "city": "BALA CYNWYD",
            "state": "PA",
            "postal_code": "190042919",
            "telephone_number": "610-667-2039",
            "fax_number": "610-667-8089"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "352 MONTGOMERY AVE",
            "city": "MERION",
            "state": "PA",
            "postal_code": "190661202",
            "telephone_number": "610-668-0606",
            "fax_number": "610-668-8427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WERTHEIMER",
        "first_name": "LEON",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-02-17",
        "last_updated": "2026-08-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "PA",
            "license": "DS 019271-L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marvin J Asnis, DO
• Stuart J. Cohen, PHD
• Theodore Samuel Tapper, M.D.

• All providers in Merion, PA
• General Practice Dentistry in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 9, 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.