THOMAS A STOA MD
NPI 1659361152
Family Medicine in Onalaska, WI
About Thomas A Stoa Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS A STOA MD (NPI 1659361152) is an individual family medicine provider in Onalaska, Wisconsin, licensed in Wisconsin (37510) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System-franciscan Medical Center Inc, and is a graduate of Baylor College Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses 3
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
Thomas A Stoa Md 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 Reassignments
2Medicare enrollment records show Thomas Stoa reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- Also billed through NPI 1841278637 (Wisconsin)
- 330 clinicians in this Medicare group
Winona, MN 55987
- Reassigned Medicare billing, Minnesota enrollment
- 330 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Health System-Franciscan Medical Center Inc
Acute Care Hospitals · La Crosse, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54650 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Stoa's NPI number?
The NPI number for Thomas Stoa is 1659361152. It was assigned to this individual provider in the NPPES registry on October 26, 2005.
Where is Thomas Stoa located?
Thomas Stoa practices at 191 Theater Rd, Onalaska, WI 54650. The listed phone number is (608) 392-5000.
What is Thomas Stoa's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas Stoa enrolled in Medicare?
Yes. Thomas Stoa 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 organizations bill Medicare for Thomas Stoa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Stoa reassigns Medicare benefits to 2 organizations: Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI) and Winona Health Services (Winona, MN). 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 Stoa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Stoa affiliated with any hospitals?
According to CMS data, Thomas Stoa is affiliated with Mayo Clinic Health System-Franciscan Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Thomas Stoa was last updated on August 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Thomas A Stoa, MD · NPI 1659361152
Family Medicine physician in Onalaska, Wisconsin. Individual provider, active in the CMS NPPES registry since October 26, 2005.
## Identity
- **NPI:** 1659361152 (Entity type: Individual)
- **Enumerated:** October 26, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 37510 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 191 THEATER RD, Onalaska, WI 54650-8679
- **Phone:** (608) 392-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI); Winona Health Services (NPI 1295789352, Winona, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 1985
## Record status
- **NPPES last updated:** August 20, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1659361152) · Data from the CMS NPPES public registry.