THOMAS STEPHEN OLSEN DPT
NPI 1124423645
Physical Therapist in Rockford, IL
About Thomas Stephen Olsen Dpt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS STEPHEN OLSEN DPT (NPI 1124423645) is an individual physical therapist in Rockford, Illinois, licensed in Illinois (070020877) and active in the NPI registry since October 2014. He maintains 2 additional practice locations.
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.
Secondary Practice Locations 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Thomas Stephen Olsen Dpt is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Olsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61107
- Reassigned Medicare billing, Illinois enrollment
- 474 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Illinois enrollment
- 671 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 2
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.
Other Providers at the Same Location NPPES 4
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 Thomas Olsen's NPI number?
The NPI number for Thomas Olsen is 1124423645. It was assigned to this individual provider in the NPPES registry on October 27, 2014.
Where is Thomas Olsen located?
Thomas Olsen practices at 1301 N Alpine Rd # 201, Rockford, IL 61107. The listed phone number is (779) 696-0700.
What is Thomas Olsen's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is Thomas Olsen enrolled in Medicare?
Yes. Thomas Olsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thomas Olsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Olsen reassigns Medicare benefits to 2 organizations: Swedishamerican Hospital (Rockford, IL) and Mercy Health System Corporation (Janesville, WI). 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 Thomas Olsen'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 Thomas Olsen was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.