SARAH C. GRESK APN-CNP
NPI 1407273709
Nurse Practitioner - Psychiatric/Mental Health in Elmhurst, IL
About Sarah C. Gresk Apn-cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH C. GRESK APN-CNP (NPI 1407273709) is an individual psychiatric/mental health provider in Elmhurst, Illinois, licensed in Illinois (209011363) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2013).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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
Sarah C. Gresk 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.
Medicare Billing Reassignments
2Medicare enrollment records show Sarah Gresk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 561 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sarah Gresk's NPI number?
The NPI number for Sarah Gresk is 1407273709. It was assigned to this individual provider in the NPPES registry on March 25, 2014.
Where is Sarah Gresk located?
Sarah Gresk practices at 188 W Industrial Dr Ste 236, Elmhurst, IL 60126. The listed phone number is (630) 755-5274.
What is Sarah Gresk's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Sarah Gresk enrolled in Medicare?
Yes. Sarah Gresk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sarah Gresk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Gresk reassigns Medicare benefits to 2 organizations: Edward Health Ventures (Elmhurst, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Gresk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Gresk accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Sarah Gresk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sarah Gresk was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Sarah C. Gresk, APN-CNP · NPI 1407273709
Psychiatric/Mental Health physician in Elmhurst, Illinois. Individual provider, active in the CMS NPPES registry since March 25, 2014.
## Identity
- **NPI:** 1407273709 (Entity type: Individual)
- **Enumerated:** March 25, 2014
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 209011363 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 188 W INDUSTRIAL DR STE 236, Elmhurst, IL 60126-1610
- **Phone:** (630) 755-5274
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Edward Health Ventures (NPI 1275963027, Elmhurst, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2013
## Record status
- **NPPES last updated:** April 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407273709) · Data from the CMS NPPES public registry.