Quick answers
- Where does John Nelson see patients?
- Medicare's clinician data lists 2 practice locations, including Mequon, WI and Milwaukee, WI. Call before your visit to confirm the address.
- What is John Nelson's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does John Nelson accept Medicare assignment?
- Yes. Medicare's clinician data says John Nelson 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 John Nelson?
- (262) 241-3231, as listed in official Medicare / NPI Registry data.
- What is John Nelson's NPI number?
- 1194682021. 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 John Nelson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1240 W Ranchito LnMequon, WI 53092 (262) 241‑3231
- 7330 W Layton AveMilwaukee, WI 53220 (414) 281‑1677
Group practices
Medicare enrollment lists John Nelson as a member of this group (CMS data updated 2026-10-02).
- American Behavioral Clinics SC48 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Mequon
Clinicians with the same Medicare primary specialty in Mequon, WI — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194682021 |
| 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