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Active NPI 1578157301 Individual Practitioner Female Practitioner

Jaclyn P Williams , MSN, FNP-C

Nurse Practitioner • Tinley Park, IL

Professional Overview & Biography Verified Profile Summary

Jaclyn Williams, MSN, FNP-C is a registered healthcare professional specializing in Nurse Practitioner in Tinley Park, IL. Practice services are available at 18311 N CREEK DR under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

18311 N Creek Dr

Tinley Park, IL 604776203

Telephone 7087173509

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Tinley Park, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 7.3 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
17 Specialists

Practicing in Tinley Park, IL (4929 Statewide)

Telehealth Adoption Rate
29.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-12-03
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209.034111

(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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Ashley Salerno , APRN

Nurse Practitioner - Acute Care

NPI 1811858111

Advanced Practice Registered Nurse

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 03, 2025

Nurse Practitioner (License #209.034111 in IL)

📍
Updated Practice Location November 05, 2025

Registered at 18311 N CREEK DR, TINLEY PARK, IL 604776203 (Tel: 7087173509)

📍
Updated Business Mailing Address November 05, 2025

Registered at 18311 N CREEK DR, TINLEY PARK, IL 604776203

👤
Provider Name / Credentials Updated November 05, 2025

Recorded as JACLYN WILLIAMS, MSN, FNP-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 05, 2025

Registered Nurse (License #041542302 in IL)

NPI Profile Active February 23, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location February 23, 2021

Registered at 2001 W 86TH ST, INDIANAPOLIS, IN 462601991 (Tel: 3173382345)

📍
Updated Business Mailing Address February 23, 2021

Registered at 2001 W 86TH ST, INDIANAPOLIS, IN 462601991

👤
Provider Name / Credentials Updated February 23, 2021

Recorded as JACLYN LEWIS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 23, 2021

Registered Nurse (License #28245071A in IN)

🟢
Initial NPI Registration & Enumeration February 23, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1578157301
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 23, 2021
Last Update: December 03, 2025
Sole Proprietor: No

Mailing Address

18311 N Creek Dr

Tinley Park, IL 604776203

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.