LESLEY THAO
NPI 1255257853
Occupational Therapist in Oshkosh, WI
About Lesley Thao NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLEY THAO (NPI 1255257853) is an individual occupational therapist in Oshkosh, Wisconsin and active in the NPI registry since June 2026. The provider is a graduate of Other (2025).
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 and accepts Medicare assignment
Lesley Thao 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 Lesley Thao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oshkosh, WI 54901
- Reassigned Medicare billing, Wisconsin enrollment
- 89 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 11
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 Lesley Thao's NPI number?
The NPI number for Lesley Thao is 1255257853. It was assigned to this individual provider in the NPPES registry on June 26, 2026.
Where is Lesley Thao located?
Lesley Thao practices at 631 Hazel St, Oshkosh, WI 54901. The listed phone number is (920) 252-4442.
What is Lesley Thao's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Lesley Thao enrolled in Medicare?
Yes. Lesley Thao 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 Lesley Thao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lesley Thao reassigns Medicare benefits to Oasis Therapy Services LLC (Oshkosh, WI). 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 Lesley Thao'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 Lesley Thao was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.