NATHAN S LEDEAUX MD
NPI 1306201363
Emergency Medicine in Oak Park, IL
About Nathan S Ledeaux Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHAN S LEDEAUX MD (NPI 1306201363) is an individual emergency medicine provider in Oak Park, Illinois, licensed in Wisconsin (77620-20) and active in the NPI registry since December 2015. He is enrolled in Medicare PECOS, is affiliated with Insight Hospital And Medical Center Chicago, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Nathan S Ledeaux 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
4Medicare enrollment records show Nathan Ledeaux reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Melrose Park, IL 60160
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 354 clinicians in this Medicare group
Bolingbrook, IL 60440
- Reassigned Medicare billing, Illinois enrollment
- 187 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- 83 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Insight Hospital And Medical Center Chicago
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60302 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 Nathan Ledeaux's NPI number?
The NPI number for Nathan Ledeaux is 1306201363. It was assigned to this individual provider in the NPPES registry on December 17, 2015.
Where is Nathan Ledeaux located?
Nathan Ledeaux practices at 3 Erie Ct, Oak Park, IL 60302. The listed phone number is (708) 383-6200.
What is Nathan Ledeaux's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nathan Ledeaux enrolled in Medicare?
Yes. Nathan Ledeaux 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 Nathan Ledeaux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Ledeaux reassigns Medicare benefits to 4 organizations: Cepamerica Illinois LLP (Melrose Park, IL), Insight Chicago, Inc. (Chicago, IL), Illinois Emergency Medicine Specialists, LLC (Bolingbrook, IL) and Iems Physician Services PLLC (Urbana, 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 Nathan Ledeaux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Nathan Ledeaux affiliated with any hospitals?
According to CMS data, Nathan Ledeaux is affiliated with Insight Hospital And Medical Center Chicago.
When was this NPI record last updated?
The NPPES record for Nathan Ledeaux was last updated on November 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Nathan S Ledeaux, MD · NPI 1306201363
Emergency Medicine physician in Oak Park, Illinois. Individual provider, active in the CMS NPPES registry since December 17, 2015.
## Identity
- **NPI:** 1306201363 (Entity type: Individual)
- **Enumerated:** December 17, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 77620-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3 ERIE CT, Oak Park, IL 60302-2519
- **Phone:** (708) 383-6200
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Cepamerica Illinois LLP (NPI 1669758546, Melrose Park, IL); Insight Chicago, Inc. (NPI 1881261006, Chicago, IL); Illinois Emergency Medicine Specialists, LLC (NPI 1003150962, Bolingbrook, IL); Iems Physician Services PLLC (NPI 1790544047, Urbana, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2019
## Record status
- **NPPES last updated:** November 22, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1306201363) · Data from the CMS NPPES public registry.