VICTOR A THONN O.D.
NPI 1972674299
Optometrist in Hillsboro, WI
About Victor A Thonn O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VICTOR A THONN O.D. (NPI 1972674299) is an individual optometrist in Hillsboro, Wisconsin, licensed in Wisconsin (2569) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Waconia, and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Victor A Thonn O.d. 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
4Medicare enrollment records show Victor Thonn reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hillsboro, WI 54634
- Reassigned Medicare billing, Wisconsin enrollment
- 928 clinicians in this Medicare group
Hillsboro, WI 54634
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Josephs Health Services Inc
- 282 clinicians in this Medicare group
Onalaska, WI 54650
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Burnsville, MN 55337
- Reassigned Medicare billing, Minnesota enrollment
- 25 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 9
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54634 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 3
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 Victor Thonn's NPI number?
The NPI number for Victor Thonn is 1972674299. It was assigned to this individual provider in the NPPES registry on November 10, 2006.
Where is Victor Thonn located?
Victor Thonn practices at 845 Water Ave, Hillsboro, WI 54634. The listed phone number is (608) 489-2451.
What is Victor Thonn's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Victor Thonn enrolled in Medicare?
Yes. Victor Thonn 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 Victor Thonn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Victor Thonn reassigns Medicare benefits to 4 organizations: Gundersen Clinic, Ltd. (Hillsboro, WI), St. Joseph's Health Services, Inc. (Hillsboro, WI), Gundersen Lutheran Medical Center, Inc (Onalaska, WI) and Edina Eye Physicians And Surgeons PA (Burnsville, 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 Victor Thonn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Victor Thonn accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Blue Cross Blue Shield of Wyoming, HealthPartners and Quartz list Victor Thonn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Victor Thonn was last updated on January 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Victor A Thonn, O.D. · NPI 1972674299
Optometrist provider in Hillsboro, Wisconsin. Individual provider, active in the CMS NPPES registry since November 10, 2006.
## Identity
- **NPI:** 1972674299 (Entity type: Individual)
- **Enumerated:** November 10, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 2569 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 845 WATER AVE, Hillsboro, WI 54634-6213
- **Phone:** (608) 489-2451
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Gundersen Clinic, Ltd. (NPI 1578517140, Hillsboro, WI); St. Joseph's Health Services, Inc. (NPI 1104031798, Hillsboro, WI); Gundersen Lutheran Medical Center, Inc (NPI 1225372923, Onalaska, WI); Edina Eye Physicians And Surgeons PA (NPI 1184715104, Burnsville, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** January 9, 2020
- **Other identifiers:** Medicaid 894602700 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1972674299) · Data from the CMS NPPES public registry.