Victor A. Thonn, OD
- Medicare patients, 2024
- 655
- Part D claims, 2024
- 539
- Affiliated sites
- 2
- Medical groups
- 4
- State licenses
- 2
- Practice address
- 1836 South Ave, La Crosse, WI 54601
- Practice phone
- Call (608) 775-8025
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gundersen La Crosse Clinic
La Crosse, Wisconsin
Find Victor Thonn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Victor A. Thonn is an optometrist in La Crosse, Wisconsin
Victor Thonn practices at Gundersen La Crosse Clinic in La Crosse, Wisconsin.
Victor Thonn's NPI, 1972674299, was assigned on November 10, 2006. Victor Thonn holds Wisconsin license 2569.
- NPI
- 1972674299NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244247799
- NPI enumeration date
- November 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 775-8025
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Victor A. Thonn practices at Gundersen La Crosse Clinic in La Crosse, Wisconsin
Victor Thonn's primary practice is Gundersen La Crosse Clinic, at 1836 South Ave, La Crosse, WI 54601 in La Crosse County. The practice phone is (608) 775-8025.
- Gundersen La Crosse Clinic1836 South Ave, La Crosse, WI 54601 · La Crosse CountyPhone(608) 775-8025
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Victor A. Thonn is affiliated with 3 sites of care and 4 medical groups
Victor Thonn's primary practice is Gundersen La Crosse Clinic in La Crosse, Wisconsin. The medical group on file is Gundersen Lutheran Medical Center. Dmand AI also links Victor Thonn to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Victor A. Thonn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Victor Thonn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gundersen La Crosse Clinic | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Victor A. Thonn is one of 946 optometrists in Wisconsin
Optometrist is Victor Thonn's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Victor Thonn's licenses on file in 2 states: Wisconsin and Minnesota.
Specialties and state licenses
- Optometrist, WisconsinPrimary
- Minnesota license
Optometrists near Victor Thonn
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Victor A. Thonn treated 655 Medicare patients in 2024, average age 74
CMS counts 655 Medicare patients who saw Victor Thonn in 2024. The largest group is 65 to 74, with 305 patients. 64% of them have high blood pressure, and 60% have high cholesterol. 19% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Victor Thonn's median patient age at 55, with 58% women.
Victor Thonn's Medicare patients by age, 2024
Victor Thonn's Medicare patients by sex, 2024
- Women36756%
- Men28844%
Chronic conditions among Victor Thonn's Medicare patients, 2024
- High blood pressure64%
- High cholesterol60%
- Diabetes30%
- Arthritis28%
- Chronic kidney disease20%
- Ischemic heart disease18%
- Anxiety15%
- Mood disorders14%
Share of Medicare patients with each condition. A patient can have several.
Victor Thonn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Victor A. Thonn wrote 539 Medicare Part D claims in 2024
In 2024, Victor Thonn wrote 539 Medicare Part D claims for 132 patients. 62% of them were for generic drugs.
Victor Thonn's Part D claims by kind of drug, 2024
- Generic332 claims62%
- Brand-name207 claims38%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Victor A. Thonn ranks in the 74th percentile for cataract surgery in Medicare
Victor Thonn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 95 procedures of cataract surgery by Victor Thonn, more than 74% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Victor Thonn ranks in Medicare procedure volume
- Cataract surgery
- 74th percentile95 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Sources for Victor A. Thonn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Victor A. Thonn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Victor A. Thonn's NPI number?
Victor A. Thonn's NPI number is 1972674299. It was assigned on November 10, 2006, and it is active in the NPI Registry.
What does Victor A. Thonn specialize in?
Victor A. Thonn is an optometrist in La Crosse, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Victor A. Thonn practice?
Victor Thonn practices at 1836 South Ave, La Crosse, WI 54601. Victor Thonn's primary practice is Gundersen La Crosse Clinic in La Crosse, Wisconsin. Dmand AI also links Victor Thonn to 3 medical groups and 2 group practices and clinics.
What is Victor A. Thonn's office phone number?
The practice phone on file for Victor Thonn is (608) 775-8025.
What is Victor A. Thonn's medical license number?
Victor Thonn holds Wisconsin license 2569, one of the licenses on file in 2 states.
Which states has Victor A. Thonn been licensed in?
Dmand AI has state licenses on file for Victor Thonn in Wisconsin and Minnesota.
What medical group is Victor A. Thonn part of?
Victor Thonn is linked to Gundersen Lutheran Medical Center. Dmand AI links Victor Thonn to 3 more medical groups.
Does Victor A. Thonn accept Medicare?
Yes. CMS lists Victor Thonn as accepting Medicare assignment.
How many Medicare patients does Victor A. Thonn see?
CMS counts 655 Medicare patients who saw Victor Thonn in 2024, with an average age of 74.
How long has Victor A. Thonn been practicing?
Victor Thonn graduated from medical school in 1992, 34 years ago.
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