Quick answers
- Where does Robert A. Mathaus see patients?
- Medicare's clinician data lists 1 practice location in Waukesha, WI. Call before your visit to confirm the address.
- What is Robert A. Mathaus's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Robert A. Mathaus accept Medicare assignment?
- Yes. Medicare's clinician data says Robert A. Mathaus 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 Robert A. Mathaus?
- (262) 524-1130, as listed in official Medicare / NPI Registry data.
- What is Robert A. Mathaus's NPI number?
- 1235194465. 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 Robert A. Mathaus is enrolled with Medicare (CMS data updated 2026-10-02).
- 116 E Sunset Dr, Suite 100Waukesha, WI 53189 (262) 524‑1130
Group practices
Medicare enrollment lists Robert A. Mathaus as a member of this group (CMS data updated 2026-10-02).
- Wisconsin Vision, LLC27 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Waukesha
Clinicians with the same Medicare primary specialty in Waukesha, WI — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Illinois College Of Optometry At Chicago |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235194465 |
| 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