JACLYN P WILLIAMS MSN, FNP-C
NPI 1578157301
Nurse Practitioner in Tinley Park, IL

Q: What is Jaclyn Williams's NPI number?

The NPI number for Jaclyn Williams is 1578157301. It was assigned to this individual provider in the NPPES registry on February 23, 2021.

Q: What is Jaclyn Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Jaclyn Williams was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since February 23, 2021

18311 N CREEK DR, TINLEY PARK, IL 60477(708) 717-3509 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 3, 2025, Nov 5, 2025, Feb 23, 2021 (3 updates tracked since 2021).

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About Jaclyn P Williams Msn, Fnp-c NPPES

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

JACLYN P WILLIAMS MSN, FNP-C (NPI 1578157301) is an individual nurse practitioner in Tinley Park, Illinois, licensed in Illinois (209.034111) and active in the NPI registry since February 2021.

NPPES Registry Identity

NPI1578157301

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameJACLYN P WILLIAMSCredential: MSN, FNP-C

Location Address18311 N CREEK DRTinley Park, IL 60477-6203

Mailing Address18311 N Creek DrTinley Park, IL 60477-6203

Phone(708) 717-3509

Sole ProprietorNo

Enumeration DateFebruary 23, 2021

Last NPPES UpdateDecember 3, 20253 updates tracked since enumeration

NPPES CertifiedDecember 3, 2025

✔ NPI 1578157301 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209.034111

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

18311 N CREEK DR, Tinley Park, IL 60477

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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 Jaclyn Williams's NPI number?

The NPI number for Jaclyn Williams is 1578157301. It was assigned to this individual provider in the NPPES registry on February 23, 2021.

Where is Jaclyn Williams located?

Jaclyn Williams practices at 18311 N Creek Dr, Tinley Park, IL 60477. The listed phone number is (708) 717-3509.

What is Jaclyn Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Jaclyn Williams was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.