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

OLLY SLADEK LPC
NPI 1437061272
Counselor - Mental Health in Chicago, IL

Active since September 17, 2026
10801 S WESTERN AVE, CHICAGO, IL 60643(708) 586-7357 Get Directions Write a Review

NPPES record added: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Olly Sladek Lpc NPPES

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

OLLY SLADEK LPC (NPI 1437061272) is an individual mental health provider in Chicago, Illinois, licensed in Illinois (178.033431) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1437061272
Entity TypeIndividual
Primary Taxonomy101YM0800X
Provider Legal NameOLLY SLADEKCredential: LPC
Location Address10801 S WESTERN AVEChicago, IL 60643-3223
Mailing Address10801 S Western AveChicago, IL 60643-3223 · (708) 586-7357
Phone(708) 586-7357
Sole ProprietorNo
Enumeration DateSeptember 17, 2026
NPPES CertifiedSeptember 17, 2026
✔ NPI 1437061272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IL · 178.033431
10801 S WESTERN AVE, Chicago, IL 60643
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Other Providers at the Same Location NPPES 10

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

DR. TYRA M JACKSON PHD
Psychologist (Clinical)
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (708) 586-7357
PAOLA N SOLIS DPT
Physical Therapist
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (586) 350-2644
MEGAN MAYER MOT
Occupational Therapist
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 596-3700
NIA GREEN
Physical Therapy Assistant
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 596-3700
ANDREW PADILLA DPT
Physical Therapist
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 596-3700
JOEL ALEJANDRO GRANADOS
Physical Therapist
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 596-3700
REBECCA SZUBERT PT, DPT
Physical Therapist
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 596-3700
JULIA NESIS DPT
Physical Therapist
10801 S WESTERN AVE
CHICAGO, IL 60643
Cook County (773) 596-3700

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 Olly Sladek's NPI number?

The NPI number for Olly Sladek is 1437061272. It was assigned to this individual provider in the NPPES registry on September 17, 2026.

Where is Olly Sladek located?

Olly Sladek practices at 10801 S Western Ave, Chicago, IL 60643. The listed phone number is (708) 586-7357.

What is Olly Sladek's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Olly Sladek was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.