Organization Active NPI

Twenty First Century Pediatrics PLLC

  • Pediatrics Physician
  • Lisle, IL
National Provider Identifier
1689565285
Registry record updated Nov 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
Legal business name
TWENTY FIRST CENTURY PEDIATRICS PLLC
Practice address
6010 Il-53
Suite D
Lisle, IL 60532
Phone
(630) 778-8800
Fax
(630) 778-8909
NPI assigned
Jul 11, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 12, 2025

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

Authorized official

Name
Susan Sankari, MDNPI 1306984216
Title
Owner Physician
Phone
(630) 778-8800

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208000000X Primary

Addresses

Primary practice location

6010 Il-53
Suite D
Lisle, IL 60532

Mailing address

6010 Il-53
Suite D
Lisle, IL 60532

Other practice location 1

6855 Kingery Hwy
Willowbrook, IL 60527-5114
Phone (630) 778-8800

National Provider Directory

National Provider Directory

Locations

6855 Kingery Hwy
Willowbrook, IL 60527
Phone (630) 778-8800

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1752192000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762905600000",
    "number": "1689565285",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6010 IL-53",
            "address_2": "SUITE D",
            "city": "LISLE",
            "state": "IL",
            "postal_code": "60532"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6010 IL-53",
            "address_2": "SUITE D",
            "city": "LISLE",
            "state": "IL",
            "postal_code": "60532",
            "telephone_number": "630-778-8800",
            "fax_number": "630-778-8909"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6855 Kingery Hwy",
            "address_purpose": "LOCATION",
            "city": "Willowbrook",
            "state": "IL",
            "postal_code": "605275114",
            "country_code": "US",
            "telephone_number": "630-778-8800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "TWENTY FIRST CENTURY PEDIATRICS PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-11",
        "last_updated": "2025-11-12",
        "certification_date": "2025-11-12",
        "status": "A",
        "authorized_official_last_name": "SANKARI",
        "authorized_official_first_name": "SUSAN",
        "authorized_official_title_or_position": "OWNER PHYSICIAN",
        "authorized_official_telephone_number": "630-778-8800",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lisle, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 2025; 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.