ASHLEY ELIZABETH MARENYI FNP-BC
NPI 1023713401
Nurse Practitioner - Family in Chicago, IL
About Ashley Elizabeth Marenyi Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHLEY ELIZABETH MARENYI FNP-BC (NPI 1023713401) is an individual family provider in Chicago, Illinois, licensed in Illinois (209027954) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of Rush Medical College Of Rush University (2023).
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
Ashley Elizabeth Marenyi Fnp-bc 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 Ashley Marenyi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Zion, IL 60099
- Reassigned Medicare billing, Illinois enrollment
- 253 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush Oak Park Hospital
Acute Care Hospitals · Oak Park, ILRush University Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Ashley Marenyi's NPI number?
The NPI number for Ashley Marenyi is 1023713401. It was assigned to this individual provider in the NPPES registry on April 4, 2023.
Where is Ashley Marenyi located?
Ashley Marenyi practices at 160 E Illinois St, Chicago, IL 60611. The listed phone number is (312) 477-2400.
What is Ashley Marenyi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Ashley Marenyi enrolled in Medicare?
Yes. Ashley Marenyi 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 Ashley Marenyi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Marenyi reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and City Of Hope Medical Group Of Illinois PLLC (Zion, 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 Ashley Marenyi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashley Marenyi accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Ashley Marenyi 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.
Is Ashley Marenyi affiliated with any hospitals?
According to CMS data, Ashley Marenyi is affiliated with Rush Oak Park Hospital and Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for Ashley Marenyi was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Ashley Elizabeth Marenyi, FNP-BC · NPI 1023713401
Family physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 4, 2023.
## Identity
- **NPI:** 1023713401 (Entity type: Individual)
- **Enumerated:** April 4, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209027954 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 160 E ILLINOIS ST, Chicago, IL 60611-5426
- **Phone:** (312) 477-2400
## 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): Rush University Medical Center (NPI 1689165540, Chicago, IL); City Of Hope Medical Group Of Illinois PLLC (NPI 1548258072, Zion, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2023
## Record status
- **NPPES last updated:** May 7, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1023713401) · Data from the CMS NPPES public registry.