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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

IAN A CHLADEK NP
NPI 1831096288
Nurse Practitioner - Gerontology in Oak Lawn, IL

Active since October 20, 2026
4400 W 95TH ST STE 308, OAK LAWN, IL 60453(708) 346-4040(708) 346-3287 Get Directions Write a Review

NPPES record added: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ian A Chladek Np NPPES

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

IAN A CHLADEK NP (NPI 1831096288) is an individual gerontology provider in Oak Lawn, Illinois, licensed in Illinois (209036872) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1831096288
Entity TypeIndividualMale
Primary Taxonomy363LG0600X
Provider Legal NameIAN A CHLADEKCredential: NP
Location Address4400 W 95TH ST STE 308Oak Lawn, IL 60453-2660
Mailing Address4400 W 95th St Ste 308Oak Lawn, IL 60453-2660 · (708) 346-4040 · Fax (708) 346-3287
Phone(708) 346-4040
Fax(708) 346-3287
Sole ProprietorNo
Enumeration DateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1831096288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in IL · 209036872
4400 W 95TH ST STE 308, Oak Lawn, IL 60453
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Other Providers at the Same Location NPPES 20

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

NINA DELAVARI D.O
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
ZACHARY BYINGTON PA-C
Physician Assistant (Surgical)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
MICHELLE CHONG PA
Physician Assistant
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
MRS. ANNIE AUN WEI PAUWAA PA-C
Physician Assistant (Surgical)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
DR. DAVID R. STERN MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
JANE S THOMAS PA
Physician Assistant (Surgical)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
DR. PATROKLOS STEVEN PAPPAS M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040
MR. ABRAHAM KATZ MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4400 W 95TH ST STE 308
OAK LAWN, IL 60453
Cook County (708) 346-4040

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 Ian Chladek's NPI number?

The NPI number for Ian Chladek is 1831096288. It was assigned to this individual provider in the NPPES registry on October 20, 2026.

Where is Ian Chladek located?

Ian Chladek practices at 4400 W 95th St Ste 308, Oak Lawn, IL 60453. The listed phone number is (708) 346-4040.

What is Ian Chladek's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

When was this NPI record last updated?

The NPPES record for Ian Chladek was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.