Katarzyna R. Koscielniak, NP
Nurse Practitioner · New Lenox, IL
Katarzyna R. Koscielniak, NP is a nurse practitioner with a practice address in New Lenox, Illinois, and NPI 1598373714, issued on Jul 14, 2020. Check the license (Illinois 209-020455, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katarzyna R. Koscielniak
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209-020455 IL
209020455 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1890 Silver Cross Blvd Ste 240, New Lenox, IL 60451
- Phone
- (815) 485-4469
- Enumerated
- Jul 14, 2020
- Record last updated
- Mar 20, 2026
- Fax
- (815) 485-4463
- Medicare enrollment
- Enrolled (PECOS I20210219000973); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 1890 Silver Cross Blvd Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hazem Alhawasli, M.D.Interventional Cardiology Physician1215287164
- Arkadiusz Baginski, PAPhysician Assistant1891684700
- Daniele Degirolami, M.D.Cardiovascular Disease Physician1891743100
- Aristides Delahera, M.D.Cardiovascular Disease Physician1134177447
- Robert Elgar, D.O.Cardiovascular Disease Physician1225087547
- Laura Eulitz, APNNurse Practitioner1740854330
Verify Katarzyna R. Koscielniak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209-020455Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average nurse practitioner in 2024
234 Medicare Part D claims for 69 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium26 claims
- Humalog Kwikpen U-10013 claims
- Lisinopril11 claims
- Rosuvastatin Calcium11 claims
- Tresiba Flextouch U-20011 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $433.82
25 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Dupage Medical Group LtdWheaton, IL
- Vascular Specialists LLCTinley Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katarzyna R. Koscielniak among 4,892 nurse practitioner records in Illinois
Katarzyna R. Koscielniak, NP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 61% of them.
- NPI issued2020 · 61% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2018 among the 3,389 with a school on file
- Record last updated2026 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 nurse practitioner records list a practice address in New Lenox
They are 17 of the 760 NPPES records with a practice address in New Lenox, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in New Lenox → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Trisha Durham, RN, FNP-CNew Lenox, IL 604511891113247
- Laura Eulitz, APNNew Lenox, IL 604511740854330
- Lauren Frederick, FNP-BCNew Lenox, IL 604511497346845
- Andrew Hatfield, NPNew Lenox, IL 604511346775574
- Margaret Hornung, FNP-BCNew Lenox, IL 604511952640401
- Valerie Imber, APNNew Lenox, IL 604511841871209
- Sara Milano, FNP-BCNew Lenox, IL 604511114559044
- Jeffrey Money, NP-CNew Lenox, IL 604511922406313
Common questions
What is Katarzyna R. Koscielniak, NP's NPI number?
Katarzyna R. Koscielniak, NP's National Provider Identifier (NPI) is 1598373714, issued on Jul 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katarzyna R. Koscielniak, NP located?
The NPPES record lists a practice address at 1890 Silver Cross Blvd Ste 240, New Lenox, IL, 60451. Phone: (815) 485-4469. Providers update this record themselves, so call before visiting.
How can I verify Katarzyna R. Koscielniak, NP's license?
NPPES lists Illinois license number 209-020455, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katarzyna R. Koscielniak, NP prescribe under Medicare Part D?
In 2024, Katarzyna R. Koscielniak, NP had 234 Medicare Part D claims for 69 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.