Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Katarzyna R Koscielniak, NP

Individual provider Nurse Practitioner · NPI 1598373714

Katarzyna R Koscielniak, NP is a Nurse Practitioner in New Lenox, Illinois. Qualified in 2019, 7 years ago. Practices with Dupage Medical Group Ltd, a 1,328-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
7
Licensed in
IL
In the registry since
2020
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1890 Silver Cross Blvd Ste 240
New Lenox, IL 60451-9528
Phone: (815) 485-4469
Fax: (815) 485-4463
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6700 W 95th St, Oak Lawn, IL 60453-2199 — (708) 974-7650

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209-020455 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209020455 (IL)

Record details

NPI number1598373714
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 14, 2020
Last updated in NPPESMarch 20, 2026
Certification dateMarch 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Dupage Medical Group Ltd — 1328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in New Lenox