Quick answers
- Where does Karen Mainzer see patients?
- Medicare's clinician data lists 1 practice location in Riverton, UT. Call before your visit to confirm the address.
- What is Karen Mainzer's specialty?
- Medicare lists Occupational Therapist in Private Practice as the primary specialty.
- Does Karen Mainzer accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Mainzer 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 Karen Mainzer?
- (801) 285-3400, as listed in official Medicare / NPI Registry data.
- What is Karen Mainzer's NPI number?
- 1649218066. 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 Karen Mainzer is enrolled with Medicare (CMS data updated 2026-10-02).
- 3741 W 12600, Suite 200Riverton, UT 84065 (801) 285‑3400
Group practices
Medicare enrollment lists Karen Mainzer as a member of this group (CMS data updated 2026-10-02).
- Ihc Health Services Inc3,960 clinicians in the group
Specialties
Find other clinicians: Occupational Therapist in Private Practice, Utah →
Other occupational therapists in Utah
Clinicians with the same Medicare primary specialty in Utah — not a recommendation.
Clinician information
| Graduation year | 1999 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649218066 |
| 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