MERCEDES LYNN ANTOLAK OTR/L
NPI 1730885047
Occupational Therapist in Sparta, WI
About Mercedes Lynn Antolak Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MERCEDES LYNN ANTOLAK OTR/L (NPI 1730885047) is an individual occupational therapist in Sparta, Wisconsin, licensed in Wisconsin (8182-26) and active in the NPI registry since February 2023. She maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mercedes Lynn Antolak Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mercedes Antolak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPARTA, WI 54656
SPARTA, WI 54656
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 Mercedes Antolak's NPI number?
The NPI number for Mercedes Antolak is 1730885047. It was assigned to this individual provider in the NPPES registry on February 7, 2023.
Where is Mercedes Antolak located?
Mercedes Antolak practices at 310 West Main Street, Sparta, WI 54656. The listed phone number is (608) 758-0940.
What is Mercedes Antolak's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Mercedes Antolak enrolled in Medicare?
Yes. Mercedes Antolak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mercedes Antolak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Antolak reassigns Medicare benefits to Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, 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 Mercedes Antolak'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 Mercedes Antolak was last updated on August 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.