Gregory O. Dejean, DDS (PEDIATRIC DENT)

Primary specialty

Pediatric DentistryTaxonomy code 1223P0221X

License

045705-1 Issued in NY

Practice address

345 E 24TH St
Attn: Pediatric Dentistry Dept.
Nyc, NY 10010-4020

Phone

(212) 998-9657

Fax

(212) 995-4242

NPI assigned

Jan 3, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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

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": "1136246400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699753467",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "161 E 90TH ST",
            "address_2": "# 3A",
            "city": "NYC",
            "state": "NY",
            "postal_code": "101282342",
            "telephone_number": "212-996-2550"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "345 E 24TH ST",
            "address_2": "ATTN: PEDIATRIC DENTISTRY DEPT.",
            "city": "NYC",
            "state": "NY",
            "postal_code": "100104020",
            "telephone_number": "212-998-9657",
            "fax_number": "212-995-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEJEAN",
        "first_name": "GREGORY",
        "middle_name": "O.",
        "name_prefix": "Dr.",
        "credential": "DDS (PEDIATRIC DENT)",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0221X",
            "taxonomy_group": "",
            "desc": "Dentist, Pediatric Dentistry",
            "state": "NY",
            "license": "045705-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Pediatric Dentistry in Nyc, NY
• Providers in Nyc, NY by specialty
• Pediatric Dentistry in New York

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.