KAREN L RITTGARN PT
NPI 1861584872
Physical Therapist in Oswego, IL
About Karen L Rittgarn Pt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN L RITTGARN PT (NPI 1861584872) is an individual physical therapist in Oswego, Illinois, licensed in Illinois (070013132) and active in the NPI registry since September 2006. She is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
Other Identifiers 1
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
Karen L Rittgarn Pt 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 Karen Rittgarn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aurora, IL 60506
- Reassigned Medicare billing, Illinois enrollment
- 383 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60543 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 Karen Rittgarn's NPI number?
The NPI number for Karen Rittgarn is 1861584872. It was assigned to this individual provider in the NPPES registry on September 28, 2006.
Where is Karen Rittgarn located?
Karen Rittgarn practices at 80 Templeton Dr, Oswego, IL 60543. The listed phone number is (630) 554-3456.
What is Karen Rittgarn's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Karen Rittgarn enrolled in Medicare?
Yes. Karen Rittgarn 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 Karen Rittgarn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Rittgarn reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Aurora, 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 Karen Rittgarn'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 Karen Rittgarn was last updated on November 18, 2021. 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.