HAILEY CHASSON OTR/L
NPI 1679875165
Occupational Therapist in Chicago, IL
About Hailey Chasson Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAILEY CHASSON OTR/L (NPI 1679875165) is an individual occupational therapist in Chicago, Illinois, licensed in Illinois (056009151) and active in the NPI registry since December 2010. She maintains a secondary practice location in Wilmette.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hailey Chasson Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Hailey Chasson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Chicago, IL 60637
- Reassigned Medicare billing, Illinois enrollment
- 1,905 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.
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 Hailey Chasson's NPI number?
The NPI number for Hailey Chasson is 1679875165. It was assigned to this individual provider in the NPPES registry on December 3, 2010.
Where is Hailey Chasson located?
Hailey Chasson practices at 3421 North Seminary Avenue Suite 1N, Chicago, IL 60657. The listed phone number is (312) 480-1720.
What is Hailey Chasson's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Hailey Chasson enrolled in Medicare?
Yes. Hailey Chasson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hailey Chasson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hailey Chasson reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corp. (Chicago, IL) and The University Of Chicago Medical Center (Chicago, 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 Hailey Chasson'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 Hailey Chasson was last updated on October 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.