Quick answers
- Where does Jon A. Toppen see patients?
- Medicare's clinician data lists 2 practice locations, including Waukesha, WI. Call before your visit to confirm the address.
- What is Jon A. Toppen's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Jon A. Toppen accept Medicare assignment?
- Yes. Medicare's clinician data says Jon A. Toppen 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 Jon A. Toppen?
- (262) 548-7950, as listed in official Medicare / NPI Registry data.
- What is Jon A. Toppen's NPI number?
- 1255677563. 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 Jon A. Toppen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1501 Airport RdWaukesha, WI 53188 (262) 548‑7950
- 514 Riverview AveWaukesha, WI 53188 (262) 548‑8431
Group practices
Medicare enrollment lists Jon A. Toppen as a member of this group (CMS data updated 2026-10-02).
- Waukesha County30 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Waukesha
Clinicians with the same Medicare primary specialty in Waukesha, WI — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255677563 |
| 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