NPPES file of Aug 9, 2026

Karen Jean Krooswyk, ARNP-ANP-BC

Adult Health Nurse Practitioner · New Lenox, IL

Karen Jean Krooswyk, ARNP-ANP-BC is an adult health nurse practitioner with a practice address in New Lenox, Illinois, and NPI 1134477706, issued on Aug 29, 2012. Check the license (Illinois 277.003420, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134477706
Name
Karen Jean Krooswyk
Credential
ARNP-ANP-BC
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
277.003420 IL
Self-reported in NPPES; status is on the state search
Practice location
1890 Silver Cross Blvd, New Lenox, IL 60451
Phone
(815) 714-8737
Enumerated
Aug 29, 2012
Record last updated
May 15, 2025
Medicare enrollment
Enrolled (PECOS I20131218001094); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1890 Silver Cross Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohammad Al Khudari, MDObstetrics & Gynecology Physician1720151624
  2. Julia Bania, WHNP-BCWomen's Health Nurse Practitioner1104367655
  3. Erik Borncamp, MDSurgery Physician1689647661
  4. Amy Dempsey, PAMedical Physician Assistant1689864266
  5. Elizabeth Dibella, PA-CPhysician Assistant1093089120
  6. John Dongas, M.D.Clinical Cardiac Electrophysiology Physician1003864331

Verify Karen Jean Krooswyk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 277.003420
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

20 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.

  1. Karen Krooswyk20
  2. Specialty average1,280

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.

Bills Medicare through one group practice

  1. Cmc Healthcare LLCCrestwood, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Jean Krooswyk among 743 adult health nurse practitioner records in Illinois

Karen Jean Krooswyk, ARNP-ANP-BC is one of 743 adult health nurse practitioner records with a practice address in Illinois. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 48% of them.

  • NPI issued2012 · 48% of these records are older, 45% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2011 · median 2013 among the 372 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Illinois

There are 743 adult health nurse practitioner records in Illinois.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Alison Burchardt, APNNew Lenox, IL 604511295105484
  2. Gabriela Rodriguez, APRNNew Lenox, IL 604511568013183
  3. Colleen Andreoni, APNMorris, IL 604501427036110
  4. Lucinda Dewaele-Guzman, APNMorris, IL 604501881799476
  5. Jammie Vickers, APNMorris, IL 604501083160840
  6. Abiodun AtomoriOak Lawn, IL 604531063071819
  7. Kylie Hughes, NPOak Lawn, IL 604531437447679
  8. Juliana Messer, ANP-BCOak Lawn, IL 604531831428325

Common questions

What is Karen Jean Krooswyk, ARNP-ANP-BC's NPI number?

Karen Jean Krooswyk, ARNP-ANP-BC's National Provider Identifier (NPI) is 1134477706, issued on Aug 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Karen Jean Krooswyk, ARNP-ANP-BC located?

The NPPES record lists a practice address at 1890 Silver Cross Blvd, New Lenox, IL, 60451. Phone: (815) 714-8737. Providers update this record themselves, so call before visiting.

How can I verify Karen Jean Krooswyk, ARNP-ANP-BC's license?

NPPES lists Illinois license number 277.003420, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Jean Krooswyk, ARNP-ANP-BC prescribe under Medicare Part D?

In 2024, Karen Jean Krooswyk, ARNP-ANP-BC had 20 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. 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.