Quick answers
- Where does Nyhus A. Schaffer see patients?
- Medicare's clinician data lists 1 practice location in Onalaska, WI. Call before your visit to confirm the address.
- What is Nyhus A. Schaffer's specialty?
- Medicare lists Chiropractic as the primary specialty.
- Does Nyhus A. Schaffer accept Medicare assignment?
- Yes. Medicare's clinician data says Nyhus A. Schaffer 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 Nyhus A. Schaffer?
- (608) 783-9355, as listed in official Medicare / NPI Registry data.
- What is Nyhus A. Schaffer's NPI number?
- 1689722316. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Nyhus A. Schaffer is enrolled with Medicare (CMS data updated 2026-10-02).
- 403 Sand Lake RdOnalaska, WI 54650 (608) 783‑9355
Group practices
Medicare enrollment lists Nyhus A. Schaffer as a member of this group (CMS data updated 2026-10-02).
- Feils Knapp Chiropractic Center3 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Onalaska
Clinicians with the same Medicare primary specialty in Onalaska, WI — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Medical school | Northwestern College Of Chiropractic |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689722316 |
| 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
- 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