Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHANIA ANNA CIESLAK FNP-C
NPI 1912473588
Nurse Practitioner - Family in Oak Lawn, IL

Active since October 22, 2018
5800 W 105TH ST APT 3A, OAK LAWN, IL 60453(708) 516-7287 Get Directions Write a Review

NPPES record last updated: November 4, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 4, 2026, Oct 22, 2018 (2 updates tracked since 2018).

About Stephania Anna Cieslak Fnp-c NPPES

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

STEPHANIA ANNA CIESLAK FNP-C (NPI 1912473588) is an individual family provider in Oak Lawn, Illinois, licensed in Illinois (F11260079) and active in the NPI registry since October 2018.

NPPES Registry Identity

NPI1912473588
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSTEPHANIA ANNA CIESLAKCredential: FNP-C
Location Address5800 W 105TH ST APT 3AOak Lawn, IL 60453-4365
Mailing Address5800 W 105th St Apt 3aOak Lawn, IL 60453-4365 · (708) 516-7287
Sole ProprietorYes
Enumeration DateOctober 22, 2018
Last NPPES UpdateNovember 4, 20262 updates tracked since enumeration
NPPES CertifiedNovember 4, 2026
✔ NPI 1912473588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · F11260079
5800 W 105TH ST APT 3A, Oak Lawn, IL 60453

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 Stephania Cieslak's NPI number?

The NPI number for Stephania Cieslak is 1912473588. It was assigned to this individual provider in the NPPES registry on October 22, 2018.

Where is Stephania Cieslak located?

Stephania Cieslak practices at 5800 W 105th St Apt 3A, Oak Lawn, IL 60453. The listed phone number is (708) 516-7287.

What is Stephania Cieslak's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Stephania Cieslak was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.