KATLYN Y NASSERI
NPI 1245603745
Physical Therapist in Chicago, IL
About Katlyn Y Nasseri NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATLYN Y NASSERI (NPI 1245603745) is an individual physical therapist in Chicago, Illinois, licensed in Illinois (070021921) and active in the NPI registry since November 2015.
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.
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Katlyn Y Nasseri is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Katlyn Nasseri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,169 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 1,298 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 60612
CHICAGO, IL 60612
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 Katlyn Nasseri's NPI number?
The NPI number for Katlyn Nasseri is 1245603745. It was assigned to this individual provider in the NPPES registry on November 5, 2015.
Where is Katlyn Nasseri located?
Katlyn Nasseri practices at 1725 W Harrison St Ste 440, Chicago, IL 60612. The listed phone number is (312) 563-2454.
What is Katlyn Nasseri's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Katlyn Nasseri enrolled in Medicare?
Yes. Katlyn Nasseri is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Katlyn Nasseri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katlyn Nasseri reassigns Medicare benefits to 2 organizations: Rush University Medical Group (Chicago, IL) and Athletico Ltd (Oak Brook, 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 Katlyn Nasseri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katlyn Nasseri accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Katlyn Nasseri 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 Katlyn Nasseri was last updated on June 30, 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.