Kristen Joanne Olszewski, APN-CNP
Nurse Practitioner · Oswego, IL
Kristen Joanne Olszewski, APN-CNP is a nurse practitioner with a practice address in Oswego, Illinois, and NPI 1922533397, issued on Apr 24, 2017. Check the license (Illinois 277001562, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristen Joanne Olszewski
- Credential
- APN-CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 277001562 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4789 Route 71, Oswego, IL 60543
- Phone
- (630) 692-5730
- Enumerated
- Apr 24, 2017
- Record last updated
- May 5, 2026
- Fax
- (630) 692-5731
- Medicare enrollment
- Enrolled (PECOS I20170710002838); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 4789 Route 71
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wendy Greep, APN-CNPNurse Practitioner1205448636
- Virginia Hathcock, CRNPNurse Practitioner1497020234
- Nicole Hohman, APRN, FNP-BCFamily Nurse Practitioner1710508973
Verify Kristen Joanne Olszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 277001562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average nurse practitioner in 2024
147 Medicare Part D claims for 126 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass28 claims
- Cephalexin22 claims
- Doxycycline Hyclate12 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: $676.48
8 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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 3 group practices
- Endeavor Health Medical GroupEvanston, IL
- Rush University Medical GroupChicago, IL
- Rush-Copley Medical Group NfpAurora, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Joanne Olszewski among 4,892 nurse practitioner records in Illinois
Kristen Joanne Olszewski, APN-CNP 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 2017, is newer than 42% of them.
- NPI issued2017 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · 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).
7 nurse practitioner records list a practice address in Oswego
They are 7 of the 516 NPPES records with a practice address in Oswego, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Oswego → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Janel Glover, NPOswego, IL 605431588650451
- Wendy Greep, APN-CNPOswego, IL 605431205448636
- Virginia Hathcock, CRNPOswego, IL 605431497020234
- Patricia Jackson, APN-CNPOswego, IL 605431457609554
- Christine Kowalewski, NURSE PRACTITIONEROswego, IL 605431306366794
- Zaira Mondragon Maney, FNP-BCOswego, IL 605431316547581
- Caroline Enoh, NPNorth Aurora, IL 605421982177473
- Jerry Shelby, NPPlainfield, IL 605441194355685
Common questions
What is Kristen Joanne Olszewski, APN-CNP's NPI number?
Kristen Joanne Olszewski, APN-CNP's National Provider Identifier (NPI) is 1922533397, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Joanne Olszewski, APN-CNP located?
The NPPES record lists a practice address at 4789 Route 71, Oswego, IL, 60543. Phone: (630) 692-5730. Providers update this record themselves, so call before visiting.
How can I verify Kristen Joanne Olszewski, APN-CNP's license?
NPPES lists Illinois license number 277001562, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Kristen Joanne Olszewski, APN-CNP prescribe under Medicare Part D?
In 2024, Kristen Joanne Olszewski, APN-CNP had 147 Medicare Part D claims for 126 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.