RENEE WEIS OT
NPI 1215058854
Occupational Therapist in Chicago, IL
About Renee Weis Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RENEE WEIS OT (NPI 1215058854) is an individual occupational therapist in Chicago, Illinois, licensed in Illinois (056-006786) and active in the NPI registry since April 2007. She is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
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
Renee Weis Ot 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 Renee Weis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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.
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
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 Renee Weis's NPI number?
The NPI number for Renee Weis is 1215058854. It was assigned to this individual provider in the NPPES registry on April 2, 2007.
Where is Renee Weis located?
Renee Weis practices at 4445 W Irving Park Rd Ste 300, Chicago, IL 60641. The listed phone number is (630) 933-1500.
What is Renee Weis's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Renee Weis enrolled in Medicare?
Yes. Renee Weis 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 Renee Weis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Renee Weis reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, 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 Renee Weis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Renee Weis was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.