AILEEN SIM RN, APN, FNP-BC
NPI 1689489080
Nurse Practitioner - Family in Bradley, IL
About Aileen Sim Rn, Apn, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AILEEN SIM RN, APN, FNP-BC (NPI 1689489080) is an individual family provider in Bradley, Illinois, licensed in Illinois (209029862) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS, is affiliated with Riverside Medical Center, and is a graduate of Other (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
Aileen Sim Rn, Apn, 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 Aileen Sim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kankakee, IL 60901
- Reassigned Medicare billing, Illinois enrollment
- 381 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverside Medical Center
Acute Care Hospitals · Kankakee, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60915 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRADLEY, IL 60915
BRADLEY, IL 60915
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 Aileen Sim's NPI number?
The NPI number for Aileen Sim is 1689489080. It was assigned to this individual provider in the NPPES registry on February 11, 2025.
Where is Aileen Sim located?
Aileen Sim practices at 400 S Kennedy Dr Ste 700, Bradley, IL 60915. The listed phone number is (815) 935-7532.
What is Aileen Sim's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Aileen Sim enrolled in Medicare?
Yes. Aileen Sim 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 Aileen Sim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aileen Sim reassigns Medicare benefits to Riverside Health System (Kankakee, 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 Aileen Sim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aileen Sim accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Aileen Sim 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 Aileen Sim affiliated with any hospitals?
According to CMS data, Aileen Sim is affiliated with Riverside Medical Center.
When was this NPI record last updated?
The NPPES record for Aileen Sim was last updated on February 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.