Quick answers
- Which hospitals does Hans E. Von Weiss work at?
- Medicare's official clinician data lists Hans E. Von Weiss at 2 hospitals: Mayo Clinic Health System Franciscan Healthcare Sparta and Mayo Clinic Health System-Franciscan Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hans E. Von Weiss see patients?
- Medicare's clinician data lists 3 practice locations, including Onalaska, WI, Prairie Du Chien, WI and La Crosse, WI. Call before your visit to confirm the address.
- What is Hans E. Von Weiss's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Hans E. Von Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Hans E. Von Weiss accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Hans E. Von Weiss?
- (608) 392-5000, as listed in official Medicare / NPI Registry data.
- What is Hans E. Von Weiss's NPI number?
- 1689667313. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hans E. Von Weiss works
Medicare's Facility Affiliation Data lists Hans E. Von Weiss at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System Franciscan Healthcare SpartaSparta, WI · Critical Access Hospital · CCN 521305
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI · Acute Care Hospital · CCN 520004
Practice locations
Addresses where Hans E. Von Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 191 Theater RdOnalaska, WI 54650 (608) 392‑5000
- 800 E Blackhawk AvePrairie Du Chien, WI 53821 (608) 326‑0808
- 800 W Ave SLa Crosse, WI 54601 (608) 785‑0940
Group practices
Medicare enrollment lists Hans E. Von Weiss as a member of this group (CMS data updated 2026-10-02).
- Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Onalaska
Clinicians with the same Medicare primary specialty in Onalaska, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689667313 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians