Quick answers
- Where does Mandy Williamson see patients?
- Medicare's clinician data lists 2 practice locations, including Fisher, MN and Grand Forks, ND. Call before your visit to confirm the address.
- What is Mandy Williamson's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Mandy Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Mandy Williamson 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 Mandy Williamson?
- (218) 230-2171, as listed in official Medicare / NPI Registry data.
- What is Mandy Williamson's NPI number?
- 1821984238. 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 Mandy Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 39725 255th St SWFisher, MN 56723 (218) 230‑2171
- 749 S 30th St, Apt 23Grand Forks, ND 58201 (218) 230‑2171
Group practices
Medicare enrollment lists Mandy Williamson as a member of this group (CMS data updated 2026-10-02).
- Home Therapy Solutions LLC12 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Minnesota →
Other physical therapists in Fisher
Clinicians with the same Medicare primary specialty in Fisher, MN — not a recommendation.
Clinician information
| Medical school | University Of North Dakota School Of Medicine |
|---|---|
| Graduation year | 2025 |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821984238 |
| 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