Irene S. Trzupek, RN, APN
Chronic Care Clinical Nurse Specialist · Oak Lawn, IL
Irene S. Trzupek, RN, APN is a chronic care clinical nurse specialist with a practice address in Oak Lawn, Illinois, and NPI 1447360037, issued on Aug 30, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irene S. Trzupek
- Credential
- RN, APN
- Primary taxonomy
- Chronic Care Clinical Nurse Specialist 364SC2300X
- License number
- 691956 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH St, Oak Lawn, IL 60453
- Phone
- (708) 684-4248
- Enumerated
- Aug 30, 2006
- Record last updated
- Dec 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
1 nearest chronic care clinical nurse specialist record → All 2 in Illinois → Look up another NPI →
Also registered at 4440 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Abraham, CRNACertified Registered Nurse Anesthetist1831653401
- Katherine Absalon, MOT, OTR/LOccupational Therapist1457753436
- Tassneem Abu-Rezeq, DNP, APRN, CPNP-ACPediatric Nurse Practitioner1831904663
Verify Irene S. Trzupek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average chronic care clinical nurse specialist in 2024
54 Medicare Part D claims for 15 beneficiaries, against an average of 35 among the 2 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
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.
Chronic Care Clinical Nurse Specialist providers in Illinois
There are 2 chronic care clinical nurse specialist records in Illinois.
All 2 in Illinois → Every provider in Oak Lawn → Chronic Care Clinical Nurse Specialist nationwide →
The 1 chronic care clinical nurse specialist record with the nearest ZIP codes
- Kathleen Lademann, RN MSN APN CWCNNaperville, IL 605401518947555
Common questions
What is Irene S. Trzupek, RN, APN's NPI number?
Irene S. Trzupek, RN, APN's National Provider Identifier (NPI) is 1447360037, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irene S. Trzupek, RN, APN located?
The NPPES record lists a practice address at 4440 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 684-4248. Providers update this record themselves, so call before visiting.
How can I verify Irene S. Trzupek, RN, APN's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Irene S. Trzupek, RN, APN prescribe under Medicare Part D?
In 2024, Irene S. Trzupek, RN, APN had 54 Medicare Part D claims for 15 beneficiaries; the average among chronic care clinical nurse specialist prescribers was 35. 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.