Individual provider Active NPI

Tawfik Abdul Dayem

  • General Practice Dentistry
  • Naperville, IL
National Provider Identifier
1003536269
Registry record updated Jun 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
2026013015 Issued in MO
Practice address
55 S Main St Ste 241
Naperville, IL 60540-5377
Phone
(630) 848-2010
NPI assigned
Aug 29, 2022
Last updated
Jun 19, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 19, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 019.033762 IL
General Practice Dentistry 1223G0001X DN1859908 MA
General Practice Dentistry 1223G0001X 2026013015 MO Primary

Addresses

Primary practice location

55 S Main St Ste 241
Naperville, IL 60540-5377

Mailing address

9006 Del Prado Dr Apt 2N
Palos Hills, IL 60465-5000
Phone (312) 774-2585

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL securerecords.sanford.html

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
019.033762ILMDDentist
DN1859908MAMDGeneral Practice Dentistry

NPI Registry JSON

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

{
    "created_epoch": "1661731200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781827200000",
    "number": "1003536269",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9006 DEL PRADO DR APT 2N",
            "city": "PALOS HILLS",
            "state": "IL",
            "postal_code": "604655000",
            "telephone_number": "312-774-2585"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 S MAIN ST STE 241",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605405377",
            "telephone_number": "630-848-2010"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ABDUL DAYEM",
        "first_name": "TAWFIK",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-08-29",
        "last_updated": "2026-06-19",
        "certification_date": "2026-06-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "IL",
            "license": "019.033762",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MA",
            "license": "DN1859908",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MO",
            "license": "2026013015",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "securerecords.sanford.html",
            "affiliation": "N",
            "address_1": "55 S Main St Ste 241",
            "city": "Naperville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605405377",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Naperville, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.