ISABELLE VANMOON CHU MD
NPI 1013477975
Surgery in La Grange Highlands, IL
About Isabelle Vanmoon Chu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ISABELLE VANMOON CHU MD (NPI 1013477975) is an individual surgery provider in La Grange Highlands, Illinois, licensed in New York (329315) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Adventist La Grange Memorial Hospital, and is a graduate of Other (2019).
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
Isabelle Vanmoon Chu Md 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 Isabelle Chu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Grange, IL 60525
- Reassigned Medicare billing, Illinois enrollment
- 381 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 329 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventist La Grange Memorial Hospital
Acute Care Hospitals · La Grange, ILAdventist Hinsdale Hospital
Acute Care Hospitals · Hinsdale, ILUchicago Medicine Adventhealth Bolingbrook
Acute Care Hospitals · Bolingbrook, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60525 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.
LA GRANGE HIGHLANDS, IL 60525
LA GRANGE HIGHLANDS, IL 60525
LA GRANGE HIGHLANDS, IL 60525
LA GRANGE HIGHLANDS, IL 60525
LA GRANGE HIGHLANDS, IL 60525
LA GRANGE HIGHLANDS, IL 60525
LA GRANGE HIGHLANDS, IL 60525
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 Isabelle Chu's NPI number?
The NPI number for Isabelle Chu is 1013477975. It was assigned to this individual provider in the NPPES registry on March 25, 2019.
Where is Isabelle Chu located?
Isabelle Chu practices at 5201 Willow Springs Rd, La Grange Highlands, IL 60525. The listed phone number is (630) 226-0664.
What is Isabelle Chu's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Isabelle Chu enrolled in Medicare?
Yes. Isabelle Chu 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 Isabelle Chu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Isabelle Chu reassigns Medicare benefits to 2 organizations: Adventist Health Partners,inc (La Grange, IL) and Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Isabelle Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Isabelle Chu accept?
Health plans from Oscar Health list Isabelle Chu 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 Isabelle Chu affiliated with any hospitals?
According to CMS data, Isabelle Chu is affiliated with Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital and Uchicago Medicine Adventhealth Bolingbrook.
When was this NPI record last updated?
The NPPES record for Isabelle Chu was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Isabelle Vanmoon Chu, MD · NPI 1013477975
Surgery physician in La Grange Highlands, Illinois. Individual provider, active in the CMS NPPES registry since March 25, 2019.
## Identity
- **NPI:** 1013477975 (Entity type: Individual)
- **Enumerated:** March 25, 2019
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 329315 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5201 WILLOW SPRINGS RD, La Grange Highlands, IL 60525-6537
- **Phone:** (630) 226-0664
## 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): Adventist Health Partners,inc (NPI 1063454387, La Grange, IL); Icahn School Of Medicine At Mount Sinai (NPI 1538407176, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1013477975) · Data from the CMS NPPES public registry.