LYUDMYLA ILYASH FNP-C
NPI 1669836896
Nurse Practitioner - Family in Downers Grove, IL
About Lyudmyla Ilyash Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYUDMYLA ILYASH FNP-C (NPI 1669836896) is an individual family provider in Downers Grove, Illinois, licensed in Illinois (209013485) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
Lyudmyla Ilyash Fnp-c 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 Lyudmyla Ilyash reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILLoyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60515 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
DOWNERS GROVE, IL 60515
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 Lyudmyla Ilyash's NPI number?
The NPI number for Lyudmyla Ilyash is 1669836896. It was assigned to this individual provider in the NPPES registry on April 13, 2016.
Where is Lyudmyla Ilyash located?
Lyudmyla Ilyash practices at 1441 Branding Ave Suite 310, Downers Grove, IL 60515. The listed phone number is (773) 756-7496.
What is Lyudmyla Ilyash's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lyudmyla Ilyash enrolled in Medicare?
Yes. Lyudmyla Ilyash 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 Lyudmyla Ilyash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lyudmyla Ilyash reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Downers Grove, IL) and Loyola University Medical Center (Maywood, 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 Lyudmyla Ilyash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lyudmyla Ilyash accept?
Health plans from Oscar Health list Lyudmyla Ilyash 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 Lyudmyla Ilyash affiliated with any hospitals?
According to CMS data, Lyudmyla Ilyash is affiliated with Loyola Gottlieb Memorial Hospital and Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for Lyudmyla Ilyash was last updated on April 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Lyudmyla Ilyash, FNP-C · NPI 1669836896
Family physician in Downers Grove, Illinois. Individual provider, active in the CMS NPPES registry since April 13, 2016.
## Identity
- **NPI:** 1669836896 (Entity type: Individual)
- **Enumerated:** April 13, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209013485 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1441 BRANDING AVE, SUITE 310, Downers Grove, IL 60515-1160
- **Phone:** (773) 756-7496
## 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): Advocate Health And Hospitals Corporation (NPI 1578670543, Downers Grove, IL); Loyola University Medical Center (NPI 1336159961, Maywood, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1669836896) · Data from the CMS NPPES public registry.