Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1144923343 Individual Practitioner Male Practitioner

Nathan Zitko , APRN, NNP-BC

Nurse Practitioner - Neonatal • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Nathan Zitko, APRN, NNP-BC is a registered healthcare professional specializing in Nurse Practitioner - Neonatal in Chicago, IL. Practice services are available at 1620 W HARRISON ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

1620 W Harrison St

Chicago, IL 606123801

Telephone 3129425000
Associated Practice Facility / Clinic
🏢 Rush University Medical Group Facility NPI 1093819542

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Neonatal in Chicago, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 3.0 Yrs
State Avg: 4.4 Yrs
Regional Practice Density
52 Specialists

Practicing in Chicago, IL (121 Statewide)

Telehealth Adoption Rate
0.0% 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: 2026-04-07
Nurse Practitioner - Neonatal Primary Specialty

NUCC Taxonomy Code: 363LN0000X

State License IL 209026988

Definition to come...

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Bernadette Schoneburg , MD

Psychiatry & Neurology - Neurology

NPI 1003062589

Doctor of Medicine (M.D.)

Dr. Sarah Rimar , MD

Internal Medicine

NPI 1003252586

Doctor of Medicine (M.D.)

Dr. Kaitlin Robling , MD

Radiology - Diagnostic Radiology

NPI 1003437443

Doctor of Medicine (M.D.)

Nicholas Rigler

Internal Medicine

NPI 1003490194
Dr. Kabeer Masih , MD

Radiology - Vascular & Interventional Radiology

NPI 1003493057

Doctor of Medicine (M.D.)

Dr. Margaret Schermerhorn , MD

Obstetrics & Gynecology

NPI 1003552308

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location April 07, 2026

Registered at 1620 W HARRISON ST, CHICAGO, IL 606123801 (Tel: 3129425000)

📍
Updated Business Mailing Address April 07, 2026

Registered at 104 S LAFLIN ST APT 102, CHICAGO, IL 606072482 (Tel: 6303387631)

NPI Profile Active March 24, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location March 24, 2023

Registered at 530 NE GLEN OAK AVE, PEORIA, IL 616370001 (Tel: 3096557171)

📍
Updated Business Mailing Address March 24, 2023

Registered at 5250 N KNOXVILLE AVE APT 402, PEORIA, IL 616145035 (Tel: 6303387631)

👤
Provider Name / Credentials Updated March 24, 2023

Recorded as NATHAN ZITKO, APRN, NNP-BC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 24, 2023

Nurse Practitioner (License #209026988 in IL)

🟢
Initial NPI Registration & Enumeration March 24, 2023

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: 1144923343
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 24, 2023
Last Update: April 07, 2026
Sole Proprietor: No

Mailing Address

104 S Laflin St Apt 102

Chicago, IL 606072482

Phone: 6303387631

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.