Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1003425463 Individual Practitioner Female Practitioner

Mariola U Grzeszczyk , APRN

Nurse Practitioner • Rockford, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Mariola Grzeszczyk, APRN is a certified Nurse Practitioner practicing in Rockford, IL. With approximately 7 years of clinical experience since completing medical education in 2019, Mariola Grzeszczyk delivers high-quality medical care to the local community at 5875 E RIVERSIDE BLVD.

Mariola Grzeszczyk maintains professional affiliations with Midwest Express Care 2, Inc, Cermak Medical Group Llc, Osf Multi-Specialty Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, detection test by immunoassay with direct visual observation for influenza virus, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5875 E Riverside Blvd

Rockford, IL 611144937

Telephone 8153989491
Fax 8153817498
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Rockford, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -3.7 yrs vs City Avg
City Avg: 10.7 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
130 Specialists

Practicing in Rockford, IL (4929 Statewide)

Telehealth Adoption Rate
13.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
39.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grzeszczyk (7 Years) 7 Yrs
Rockford Specialty Average (10.7 Years) 10.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
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
37 33 $160.03 $107.81
87804 Detection test by immunoassay with direct visual observation for influenza virus
36 18 $23.02 $16.22
99213 Established patient office or other outpatient visit, typically 15 minutes
27 25 $108.98 $80.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
24 24 $246.09 $148.62
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)
22 22 $124.09 $40.55
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)
21 21 $23.02 $16.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
15 15 $145.94 $99.16
81002 Urinalysis, manual test
15 13 $15.00 $3.41

Medical Specialties & State Licenses

CMS Verified: 2025-02-28
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209022930

(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 2019055819

Definition to come...

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License IL 209022930

Definition to come...

Hospital & Practice Group Affiliations

Midwest Express Care 2, Inc

40 75th St, Willowbrook, IL 605272325

Phone: 6305815372

Osf Multi-Specialty Group

403 E 1st St, Dixon, IL 610213116

Phone: 8152885531

Cermak Medical Group Llc

5741 W Cermak Rd, Cicero, IL 608042129

Phone: 7082220100

Secondary Practice Locations

5140 N California Ave Ste 575

Chicago, IL 606257065

Phone: 7738786200

40 75th St

Willowbrook, IL 605272325

Phone: 6305815372

Practice Associates & Co-Workers

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

40 Associated Practitioners
NPI 1003158403

Doctor of Medicine (M.D.)

NPI 1003856295

Doctor of Medicine (M.D.)

Dr. Douglas Pacaccio , DPM

Podiatrist - Foot & Ankle Surgery

NPI 1013005867

Doctor of Podiatric Medicine

Dr. Kelly Brinkman , DPT

Physical Therapist

NPI 1023398179

Doctor of Physical Therapy

Amanda Foit , NP

Nurse Practitioner

NPI 1023426475

Nurse Practitioner

Michael Weedman , PA-C

Physician Assistant

NPI 1023790862

Physician Assistant (Certified)

Career & Practice History Timeline

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

13 Historical Events
📍
Updated Practice Location February 28, 2025

Registered at 5875 E RIVERSIDE BLVD, ROCKFORD, IL 611144937 (Tel: 8153989491)

👤
Provider Name / Credentials Updated January 15, 2025

Recorded as MARIOLA GRZESZCZYK, APRN

📍
Updated Practice Location March 17, 2024

Registered at 40 75TH ST, WILLOWBROOK, IL 605272325 (Tel: 6305815372)

📍
Updated Business Mailing Address March 17, 2024

Registered at 40 75TH ST, WILLOWBROOK, IL 605272325 (Tel: 6305815372)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 17, 2024

Nurse Practitioner (License #2019055819 in IL)

👤
Provider Name / Credentials Updated March 09, 2022

Recorded as MARIOLA GRZESZCZYK, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 05, 2021

Nurse Practitioner (License #209022930 in IL)

NPI Profile Active July 30, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location July 30, 2020

Registered at 2348 S CEDAR GLEN DR, ARLINGTON HEIGHTS, IL 600054333 (Tel: 7735100291)

📍
Updated Business Mailing Address July 30, 2020

Registered at 2348 S CEDAR GLEN DR, ARLINGTON HEIGHTS, IL 600054333 (Tel: 7735100291)

👤
Provider Name / Credentials Updated July 30, 2020

Recorded as MARIOLA SOLARZ, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 30, 2020

Nurse Practitioner (License #2019055819 in IL)

🟢
Initial NPI Registration & Enumeration July 30, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Mariola Grzeszczyk. Be the first to share your experience!

Sign in to leave a review for Mariola Grzeszczyk

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1003425463
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 30, 2020
Last Update: February 28, 2025
Sole Proprietor: No

Mailing Address

40 75th St

Willowbrook, IL 605272325

Phone: 6305815372

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.