Sarah C. Gresk, APN-CNP

Nurse Practitioner

Sarah C. Gresk is a Nurse Practitioner based in St Charles, IL with over 13 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(630) 646-5200St Charles, IL
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Sarah C. Gresk, APN-CNP practices as part of a group nurse practitioner practice in St Charles, IL. A University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) graduate since 2013, she brings 13+ years of experience. (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent de... CMS MIPS quality score: 91.36/100 (2023).

At a glance

  • Uses generic medications more than 83% of reporting doctors in Illinois
  • Federal MIPS score higher than 26% of MIPS-scored doctors in Illinois
  • Virtual visits available — no app or travel required
1 of 666 Nurse Practitioner providers in ILSee all Nurse Practitioner in St Charles13+ years experienceNPI since 2014

Recent · 47dNPPES updated 2026-04-07 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical

Contact & Location

Practice Location

3805 E Main St Ste M, St Charles, IL 60174-2487

Fax: (630) 646-5202
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

MIPS Score

2023

91.36/100

Illinois avg: 88.6 · US avg: 83.6

Higher than most doctors nationally(+7.8 pts)

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

94.3%

Illinois avg: 82.9 · US avg: 82.8

Higher than most doctors nationally(+11.5 pts)

Better than 83% of reporting doctors in Illinois

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Prescriptions Written

317

Total claims

Total Medicare drug cost: $38k

Percentile rankings compared against 2,844 reporting peers in Illinois.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Industry Payment Transparency

$170 received from industry

2 transactions reported in 2024 ·Low tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Sarah C. Gresk's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2013

    University of Illinois College of Medicine

  2. Board certified · Apr 6, 2026

    Self-reported via NPPES

  3. 13 years in practice

    Established

Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

(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.

Taxonomy: 363L00000X

Education & Training

University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (Class of 2013)

Virtual Nursing Care With Sarah C. Gresk

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Sarah C. Gresk for follow-ups, medication reviews, and ongoing care — no travel to St Charles required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Sarah C. Gresk

Dr. Gresk is listed as active in the NPI registry with telehealth listed in St Charles, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (630) 646-5200.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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