Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Victor A Thonn, OD

Individual provider Optometrist · NPI 1972674299

Victor A Thonn, OD is an Optometry in Hillsboro, Wisconsin. Qualified in 1992, 34 years ago. Practices with Gundersen Clinic Ltd, a 427-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
34
Licensed in
MN, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

845 Water Ave
Hillsboro, WI 54634-6213
Phone: (608) 489-2451
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 560 S Maple St, Waconia, MN 55387-1733 — (952) 442-4445

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 2569 (WI)
Optometrist Taxonomy 152W00000X · Licence 2832 (MN)

Record details

NPI number1972674299
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedNovember 10, 2006
Last updated in NPPESJanuary 9, 2020
Certification dateJanuary 9, 2020
Mailing address1836 South Ave, La Crosse, WI 54601-5494

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Gundersen Clinic Ltd — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Hillsboro