MRS. MELISSA OLSEN
NPI 1902203433
Occupational Therapist in Schaumburg, IL
About Mrs. Melissa Olsen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MELISSA OLSEN (NPI 1902203433) is an individual occupational therapist in Schaumburg, Illinois, licensed in Illinois (056010709) and active in the NPI registry since November 2014.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Melissa Olsen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Melissa Olsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Park, IL 60302
- Reassigned Medicare billing, Illinois enrollment
- 99 clinicians in this Medicare group
North Riverside, IL 60546
- Reassigned Medicare billing, Illinois enrollment
- 440 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.
SCHAUMBURG, IL 60193
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 Melissa Olsen's NPI number?
The NPI number for Melissa Olsen is 1902203433. It was assigned to this individual provider in the NPPES registry on November 26, 2014.
Where is Melissa Olsen located?
Melissa Olsen practices at 675 S Roselle Rd, Schaumburg, IL 60193. The listed phone number is (262) 994-7482.
What is Melissa Olsen's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Melissa Olsen enrolled in Medicare?
Yes. Melissa Olsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Melissa Olsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Olsen reassigns Medicare benefits to 2 organizations: Paxxon Healthcare Services LLC (Oak Park, IL) and Comprehensive Therapeutics Ltd (North Riverside, 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 Melissa 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 Melissa Olsen was last updated on November 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.