IRENE YANKELLOW DNP, FNP-BC
NPI 1629612817
Nurse Practitioner in Chicago, IL
About Irene Yankellow Dnp, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRENE YANKELLOW DNP, FNP-BC (NPI 1629612817) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209020103) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Irene Yankellow Dnp, 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 Reassignment
Medicare enrollment records show Irene Yankellow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60657 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 20
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 Irene Yankellow's NPI number?
The NPI number for Irene Yankellow is 1629612817. It was assigned to this individual provider in the NPPES registry on October 31, 2019.
Where is Irene Yankellow located?
Irene Yankellow practices at 900 W Nelson St, Chicago, IL 60657. The listed phone number is (773) 296-7089.
What is Irene Yankellow's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Irene Yankellow enrolled in Medicare?
Yes. Irene Yankellow 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 organization bills Medicare for Irene Yankellow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Yankellow reassigns Medicare benefits to Advocate Health And Hospitals Corp. (Chicago, IL). The 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 Irene Yankellow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irene Yankellow accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Irene Yankellow 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 Irene Yankellow affiliated with any hospitals?
According to CMS data, Irene Yankellow is affiliated with Advocate Illinois Masonic Medical Center.
When was this NPI record last updated?
The NPPES record for Irene Yankellow was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Irene Yankellow, DNP, FNP-BC · NPI 1629612817
Nurse Practitioner physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since October 31, 2019.
## Identity
- **NPI:** 1629612817 (Entity type: Individual)
- **Enumerated:** October 31, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209020103 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 900 W NELSON ST, Chicago, IL 60657-6704
- **Phone:** (773) 296-7089 · **Fax:** (773) 296-7731
## 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:** Advocate Health And Hospitals Corp. (NPI 1487951711, Chicago, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 2, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1629612817) · Data from the CMS NPPES public registry.