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TWENTY FIRST CENTURY PEDIATRICS PLLC
NPI 1689565285
Pediatrics in Lisle, IL

Active since July 11, 2025CLIA Certified · 2 labs
6010 IL-53, SUITE D, LISLE, IL 60532(630) 778-8800(630) 778-8909 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 12, 2025, Nov 7, 2025, Jul 11, 2025 (3 updates tracked since 2025).

About Twenty First Century Pediatrics Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TWENTY FIRST CENTURY PEDIATRICS PLLC (NPI 1689565285) is a healthcare organization registered as a pediatrics in Lisle, Illinois and active in the NPI registry since July 2025. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Willowbrook, and lists Susan Sankari, Owner Physician, as its authorized official.

NPPES Registry Identity

NPI1689565285
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameTWENTY FIRST CENTURY PEDIATRICS PLLC
Location Address6010 IL-53, SUITE DLisle, IL 60532
Mailing Address6010 Il-53, Suite DLisle, IL 60532
Phone(630) 778-8800
Fax(630) 778-8909
Organization SubpartNo
Authorized OfficialSusan SankariOwner Physician · (630) 778-8800
Enumeration DateJuly 11, 2025
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1689565285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
6010 IL-53, Lisle, IL 60532
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Secondary Practice Location 1

Location 16855 Kingery HwyWillowbrook, IL 60527-5114 · Phone (630) 778-8800

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2059696

Twenty First Century Pediatrics · Willowbrook, IL
Active · expires May 28, 2027
CLIA Number14D2059696
Laboratory TypePhysician Office
Certificate Effective DateMay 29, 2025
Certificate Expiration DateMay 28, 2027
Laboratory DirectorSusan Sankari
Laboratory Phone(630) 778-8800
Laboratory LocationTwenty First Century Pediatrics6855 Kingery Hwy, Willowbrook, IL 60527
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 14D0987361

Twenty First Century Pediatrics · Lisle, IL
Active · expires Apr 22, 2027
CLIA Number14D0987361
Laboratory TypePhysician Office
Certificate Effective DateApril 23, 2025
Certificate Expiration DateApril 22, 2027
Laboratory DirectorSusan Sankari
Laboratory Phone(630) 778-8800
Laboratory LocationTwenty First Century Pediatrics6010 Il - 53 Ste D, Lisle, IL 60532
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TWENTY FIRST CENTURY PEDIATRICS
Pediatrics
6010 IL-53, SUITE D
LISLE, IL 60532
Dupage County (630) 778-8800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Twenty First Century Pediatrics PLLC's NPI number?

The NPI number for Twenty First Century Pediatrics PLLC is 1689565285. It was assigned to this organization in the NPPES registry on July 11, 2025.

Where is Twenty First Century Pediatrics PLLC located?

Twenty First Century Pediatrics PLLC is located at 6010 Il-53 Suite D, Lisle, IL 60532. The listed phone number is (630) 778-8800.

What is Twenty First Century Pediatrics PLLC's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Twenty First Century Pediatrics PLLC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Twenty First Century Pediatrics PLLC was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.