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Deactivated NPI 1811928450 Deactivated / Inactive NPI Female Practitioner

Lois Ruth Michalczyk , RN, CPNP

Nurse Practitioner - Pediatrics • Chicago, IL

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Lois Michalczyk has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date July 05, 2006
NPI Deactivation Date February 21, 2024
Total Practice Duration ~18 Years of Practice (2006 – 2024)

Professional Overview & Biography Verified Profile Summary

Lois Michalczyk, RN, CPNP was a registered Nurse Practitioner - Pediatrics practicing in Chicago, IL. Throughout an active medical career spanning 18 years, Lois Michalczyk provided care at the practice location at 2300 N CHILDRENS PLZ until profile deactivation on 2024-02-21.

Practice Location & Contact Primary Location

Practice Address

2300 N Childrens Plz

Chicago, IL 606143363

Telephone 7738836159
Fax 7738688904
Associated Practice Facility / Clinic
🏢 Children's Memomrial Hospital Facility NPI 1407892318

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Pediatrics in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.0 Yrs
State Avg: 9.5 Yrs
Regional Practice Density
323 Specialists

Practicing in Chicago, IL (694 Statewide)

Telehealth Adoption Rate
0.3% 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

Nurse Practitioner - Pediatrics Primary Specialty

NUCC Taxonomy Code: 363LP0200X

Definition to come...

Practice Associates & Co-Workers

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

3 Associated Practitioners
NPI 1184774838

Doctor of Medicine (M.D.)

Dr. Joshua Goldstein , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

NPI 1417902537

Doctor of Medicine (M.D.)

NPI 1912967951

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated February 21, 2024

Record deactivated on February 21, 2024

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 2300 N CHILDRENS PLZ, CHICAGO, IL 606143363 (Tel: 7738836159)

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Updated Business Mailing Address July 08, 2007

Registered at 1320 BRITTANY CT, AURORA, IL 605046007 (Tel: 6302290808)

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Provider Name / Credentials Updated July 08, 2007

Recorded as LOIS MICHALCZYK, RN, CPNP

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Nurse Practitioner

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Initial NPI Registration & Enumeration July 05, 2006

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: 1811928450
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 05, 2006
Last Update: July 08, 2007
Deactivation Date: February 21, 2024

Mailing Address

1320 Brittany Ct

Aurora, IL 605046007

Phone: 6302290808

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.