Sarah C. Gresk, APN-CNP
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.
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
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
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
202391.36/100
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 = better94.3%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+11.5 pts)
Better than 83% of reporting doctors in IllinoisHow 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.
$170 received from industry
2 transactions reported in 2024 ·Low tier
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.
Graduated medical school · 2013
University of Illinois College of Medicine
Board certified · Apr 6, 2026
Self-reported via NPPES
13 years in practice
Established
(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.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.
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Contact Sarah C. Gresk
Practice Location
3805 E Main St Ste M, St Charles, IL 60174-2487
Mailing Address
3805 E Main St Ste M, St Charles, IL 60174-2487
This is a provider directory. Contact the office directly to schedule appointments.
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