Active NPI 1922533397 Individual Practitioner Female Practitioner

Kristen Joanne Olszewski , APN-CNP

Nurse Practitioner • Oswego, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Kristen Olszewski, APN-CNP is a certified Nurse Practitioner practicing in Oswego, IL. With approximately 10 years of clinical experience since completing medical education in 2016, Kristen Olszewski delivers high-quality medical care to the local community at 4789 ROUTE 71.

Kristen Olszewski maintains professional affiliations with Rush University Medical Group, Endeavor Health Medical Group, Rush-Copley Medical Group Nfp and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4789 Route 71

Oswego, IL 605437415

Telephone 6306925730

Fax 6306925731

Associated Practice Facility / Clinic

🏢 Rush-Copley Medical Group Facility NPI 1629265764

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Oswego, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

10 Yrs -2.2 yrs vs City Avg

City Avg: 12.2 Yrs

State Avg: 10.4 Yrs

Regional Practice Density

7 Specialists

Practicing in Oswego, IL (4929 Statewide)

Telehealth Adoption Rate

14.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Olszewski (10 Years) 10 Yrs

Oswego Specialty Average (12.2 Years) 12.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	136	134	$200.00	$78.25
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$184.00	$63.58
G0008 Administration of influenza virus vaccine	18	18	$68.00	$33.45
90662 Influenza vaccine split virus, preservative free	18	18	$140.00	$81.82
81003 Automated urinalysis test	16	16	$10.50	$2.20
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	13	13	$49.00	$16.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	128	125	$124.70	$79.84
99202 New patient office or other outpatient visit, typically 20 minutes	32	32	$153.50	$64.89
81003 Automated urinalysis test	30	29	$23.90	$2.20
G0008 Administration of influenza virus vaccine	11	11	$30.91	$30.29
90662 Influenza vaccine split virus, preservative free	11	11	$88.45	$71.93
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	11	11	$70.00	$16.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	128	123	$124.07	$80.76
81003 Automated urinalysis test	32	31	$23.66	$2.21
99202 New patient office or other outpatient visit, typically 20 minutes	32	32	$153.50	$66.14
U0002 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc	14	14	$103.00	$50.76
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	12	12	$70.00	$16.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	77	75	$118.62	$82.03
81003 Automated urinalysis test	18	17	$22.67	$2.25
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$136.36	$67.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	59	58	$107.15	$67.43
G0008 Administration of influenza virus vaccine	25	25	$29.04	$17.72
90662 Influenza vaccine split virus, preservative free	24	24	$69.88	$60.22
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$103.33	$66.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	99	96	$107.69	$65.49
81003 Automated urinalysis test	25	25	$22.16	$2.44
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$108.42	$68.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	88	86	$102.67	$64.71
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$114.15	$67.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	21	$182.27	$92.89
81003 Automated urinalysis test	18	16	$21.78	$2.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	23	$211.21	$93.95
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$223.44	$94.19
99213 Established patient office or other outpatient visit, typically 15 minutes	22	22	$103.82	$65.20
G0008 Administration of influenza virus vaccine	11	11	$28.00	$26.65

Medical Specialties & State Licenses

CMS Verified: 2026-05-05

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 277001562

(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.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License IL 277001562

Definition to come...

Hospital & Practice Group Affiliations

Rush-Copley Medical Group Nfp

444 N Eola Rd, Aurora, IL 605029619

Phone: 6306925660

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Endeavor Health Medical Group

2855 95th St, Naperville, IL 605649011

Phone: 6305273645

Rush University Medical Group

1700 W Van Buren St, Chicago, IL 606125500

Phone: 3125632875

Secondary Practice Locations

13550 S Route 30, Suite 100

Plainfield, IL 605445685

Phone: 8154361655

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners

Wendy Greep , APN-CNP

Nurse Practitioner

NPI 1205448636

APNCNP

Nicole Marks , APN, FNP-BC

Nurse Practitioner - Family

NPI 1477952729

Advanced Practice Nurse, Family Nurse Practitioner (Board Certified)

Virginia Hathcock , CRNP

Nurse Practitioner

NPI 1497020234

Certified Registered Nurse Practitioner

Nicole Hohman , APRN, FNP-BC

Nurse Practitioner - Family

NPI 1710508973

Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Moreen Butterworth , APRN

Nurse Practitioner - Family

NPI 1750169371

Advanced Practice Registered Nurse

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

👤

Provider Name / Credentials Updated May 05, 2026

Recorded as KRISTEN OLSZEWSKI, APN-CNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 05, 2026

Nurse Practitioner (License #277001562 in IL)

📍

Updated Business Mailing Address July 20, 2020

Registered at 4789 ROUTE 71, OSWEGO, IL 605437415 (Tel: 6306925730)

📍

Updated Practice Location May 21, 2019

Registered at 4789 ROUTE 71, OSWEGO, IL 605437415 (Tel: 6306925730)

✅

NPI Profile Active April 24, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location April 24, 2017

Registered at 13550 S ROUTE 30, SUITE 100, PLAINFIELD, IL 605445685 (Tel: 8154361655)

📍

Updated Business Mailing Address April 24, 2017

Registered at 13550 S ROUTE 30, SUITE 100, PLAINFIELD, IL 605445685 (Tel: 8154361655)

👤

Provider Name / Credentials Updated April 24, 2017

Recorded as KRISTEN OLSZEWSKI, FNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 24, 2017

Nurse Practitioner (License #209015813 in IL)

🟢

Initial NPI Registration & Enumeration April 24, 2017

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1922533397

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: April 24, 2017

Last Update: May 05, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4789 Route 71

Oswego, IL 605437415

Phone: 6306925730

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.