Anne L. Siwinski, APN
Gerontology Nurse Practitioner · Oak Lawn, IL
Anne L. Siwinski, APN is a gerontology nurse practitioner with a practice address in Oak Lawn, Illinois, and NPI 1669107744, issued on Jul 21, 2022. Check the license (Illinois 209025906, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anne L. Siwinski
- Credential
- APN
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 209025906 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4400 W 95TH St Ste 308, Oak Lawn, IL 60453
- Phone
- (708) 346-4040
- Enumerated
- Jul 21, 2022
- Record last updated
- Dec 1, 2022
- Fax
- (708) 346-3287
- Medicare enrollment
- Enrolled (PECOS I20221207000949); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 292 in Illinois → Look up another NPI →
Also registered at 4400 W 95TH St Ste 308
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Alberico, CSFASurgical Assistant1336805092
- Philip Alexander, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1437159142
- Allison Beckett, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1730542788
- Laura Bergquist, CST/CSFASurgical Assistant1548769466
- Zachary Byington, PA-CSurgical Physician Assistant1093568487
- Christina Caraballo, PA-CPhysician Assistant1295155646
Verify Anne L. Siwinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209025906Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
31 Medicare Part D claims for 21 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen11 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: $1,214.43
6 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 3,903 providers of this specialty with any payment received $742.05 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 one group practice
- Cardiothoracic And Vascular Surgical Associates S COak Lawn, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anne L. Siwinski among 292 gerontology nurse practitioner records in Illinois
Anne L. Siwinski, APN is one of 292 gerontology nurse practitioner records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 66% of them.
- NPI issued2022 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2019 among the 201 with a school on file
- Record last updated2022 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Illinois
There are 292 gerontology nurse practitioner records in Illinois.
All 292 in Illinois → Every provider in Oak Lawn → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Amy Pacella, N.P.Oak Lawn, IL 604531124573084
- Terence WilsonOak Lawn, IL 604531447049739
- Brittany Wirkus, APNOak Lawn, IL 604531518653674
- Oyeyemi ShodiyaOak Forest, IL 604521841946944
- Revi Chari BrinkmanHickory Hills, IL 604571558047340
- Christiana OtuwaOlympia Flds, IL 604611134846124
- Sherlyn Arbolado, MSN, APRN, AGACNP-BCPalos Heights, IL 604631427766674
- Margaret Walkosz, N.P.Bolingbrook, IL 604401578614392
Common questions
What is Anne L. Siwinski, APN's NPI number?
Anne L. Siwinski, APN's National Provider Identifier (NPI) is 1669107744, issued on Jul 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Anne L. Siwinski, APN located?
The NPPES record lists a practice address at 4400 W 95TH St Ste 308, Oak Lawn, IL, 60453. Phone: (708) 346-4040. Providers update this record themselves, so call before visiting.
How can I verify Anne L. Siwinski, APN's license?
NPPES lists Illinois license number 209025906, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Anne L. Siwinski, APN prescribe under Medicare Part D?
In 2024, Anne L. Siwinski, APN had 31 Medicare Part D claims for 21 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.