MRS. KRISTEN JOANNE OLSZEWSKI APN-CNP
NPI 1922533397
Nurse Practitioner in Oswego, IL

Q: What is Kristen Olszewski's NPI number?

The NPI number for Kristen Olszewski is 1922533397. It was assigned to this individual provider in the NPPES registry on April 24, 2017.

Q: What is Kristen Olszewski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Kristen Olszewski was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 24, 2017PECOS EnrolledAccepts Medicare Assignment

4789 ROUTE 71, OSWEGO, IL 60543(630) 692-5730(630) 692-5731 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 5, 2026, Jul 20, 2020, May 21, 2019 and 2 more (5 updates tracked since 2017).

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About Mrs. Kristen Joanne Olszewski Apn-cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KRISTEN JOANNE OLSZEWSKI APN-CNP (NPI 1922533397) is an individual nurse practitioner in Oswego, Illinois, licensed in Illinois (277001562) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and maintains a secondary practice location in Plainfield.

NPPES Registry Identity

NPI1922533397

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. KRISTEN JOANNE OLSZEWSKICredential: APN-CNP

Location Address4789 ROUTE 71Oswego, IL 60543-7415

Mailing Address4789 Route 71Oswego, IL 60543-7415 · (630) 692-5730 · Fax (630) 692-5731

Phone(630) 692-5730

Fax(630) 692-5731

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 24, 2017

Last NPPES UpdateMay 5, 20265 updates tracked since enumeration

NPPES CertifiedMay 5, 2026

✔ NPI 1922533397 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 277001562

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 277001562 (IL)

4789 ROUTE 71, Oswego, IL 60543

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Secondary Practice Location 1

Location 113550 S Route 30, Suite 100Plainfield, IL 60544-5685 · Phone (815) 436-1655 · Fax (815) 436-1656

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Kristen Joanne Olszewski Apn-cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971872714

PECOS Enrollment IDI20170710002838

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Kristen Olszewski reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush-Copley Medical Group, Nfp

Same address

Obstetrics & Gynecology

4789 ROUTE 71
Oswego, IL 60543

Reassigned Medicare billing, Illinois enrollment
171 clinicians in this Medicare group

NPI 1508055351 (630) 978-6204

Edward Health Ventures

1.5 mi

Obstetrics & Gynecology

6701 US HIGHWAY 34
Oswego, IL 60543

Reassigned Medicare billing, Illinois enrollment
561 clinicians in this Medicare group

NPI 1073992673 (630) 961-9485

E Mediate Cure LLC

12 mi

Urgent Care

1039 BROOK FOREST AVE
Shorewood, IL 60404

Reassigned Medicare billing, Illinois enrollment
49 clinicians in this Medicare group

NPI 1780051466 (815) 681-7733

Rush University Medical Center

25 mi

Internal Medicine

2011 YORK ROAD, 2ND FLOOR
Oak Brook, IL 60523

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Rush University Medical Group
2,169 clinicians in this Medicare group

NPI 1801375696 (630) 724-1310

Rush Medical Group

38 mi

Internal Medicine

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
548 clinicians in this Medicare group

NPI 1467312850 (312) 942-5000

Endeavor Health Medical Group

44 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

136 services134 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

26 services26 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

18 services18 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

18 services18 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

16 services16 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60543 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIELLE HYATT MD

Pediatrics