MRS. CATHERINE ANN RINGER OT
NPI 1235241506
Occupational Therapist in Chicago, IL
About Mrs. Catherine Ann Ringer Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. CATHERINE ANN RINGER OT (NPI 1235241506) is an individual occupational therapist in Chicago, Illinois and active in the NPI registry since August 2006. She is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Mrs. Catherine Ann Ringer 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 Reassignments
4Medicare enrollment records show Catherine Ringer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60643
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Athletic And Therapeutic Institute Of Naperville, LLC
- 501 clinicians in this Medicare group
Orland Park, IL 60467
- Reassigned Medicare billing, Illinois enrollment
- 40 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Athletic And Therapeutic Institute Of Bourbonnais, LLC
- 408 clinicians in this Medicare group
Bannockburn, IL 60015
- Reassigned Medicare billing, Illinois enrollment
- 538 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 60643
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 Catherine Ringer's NPI number?
The NPI number for Catherine Ringer is 1235241506. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Catherine Ringer located?
Catherine Ringer practices at 9645 S Western Ave, Chicago, IL 60643. The listed phone number is (773) 239-2734.
What is Catherine Ringer's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Catherine Ringer enrolled in Medicare?
Yes. Catherine Ringer 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 Catherine Ringer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Ringer reassigns Medicare benefits to 4 organizations: Athletic & Therapeutic Institute Of Naperville, LLC (Chicago, IL), Midwest Orthopedic Consultants Sc (Orland Park, IL), Athletic & Therapeutic Institute Of Bourbonnais, LLC (Downers Grove, IL) and Illinois Bone And Joint Institute LLC (Bannockburn, 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 Catherine Ringer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Ringer accept?
Health plans from Oscar Health list Catherine Ringer 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 Catherine Ringer was last updated on November 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.