Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Aileen Sim, RN, APN, FNP-BC

Individual provider Critical Care Medicine Registered Nurse · NPI 1689489080

Aileen Sim, RN, APN, FNP-BC is a Nurse Practitioner in Bradley, Illinois. Qualified in 2023, 3 years ago. Practices with Riverside Health System, a 205-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
3
Licensed in
IL
In the registry since
2025
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

400 S Kennedy Dr Ste 700
Bradley, IL 60915-2639
Phone: (815) 935-7532
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209029862 (IL)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 041438991 (IL)

Record details

NPI number1689489080
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , APN , FNP-BC
Sole proprietorNo
NPI enumeratedFebruary 11, 2025
Last updated in NPPESFebruary 11, 2025
Certification dateFebruary 11, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Riverside Health System — 205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare