Active NPI
Tawfik Abdul Dayem
- General Practice Dentistry
- Naperville, IL
National Provider Identifier
1003536269
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Dentistry
- License
- 2026013015
- 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, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
| License | State | Type | Specialty |
|---|---|---|---|
| 019.033762 | IL | MD | Dentist |
| DN1859908 | MA | MD | General 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.