CARLA DENISE LEON
NPI 1316811680
Social Worker - Clinical in Chicago, IL
About Carla Denise Leon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARLA DENISE LEON (NPI 1316811680) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149029779) and active in the NPI registry since September 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Carla Denise Leon 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 Carla Leon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60641
- Reassigned Medicare billing, Illinois enrollment
- 38 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60641 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.
CHICAGO, IL 60641
CHICAGO, IL 60641
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 Carla Leon's NPI number?
The NPI number for Carla Leon is 1316811680. It was assigned to this individual provider in the NPPES registry on September 30, 2025.
Where is Carla Leon located?
Carla Leon practices at 4840 W Byron St, Chicago, IL 60641. The listed phone number is (773) 282-7800.
What is Carla Leon's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Carla Leon enrolled in Medicare?
Yes. Carla Leon 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 Carla Leon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carla Leon reassigns Medicare benefits to Lutheran Social Services Of Illinois (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 Carla Leon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carla Leon accept?
Health plans from Oscar Health list Carla Leon 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.
When was this NPI record last updated?
The NPPES record for Carla Leon was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.