Mandy Williamson
NPI 1821984238 · Physical Therapist · Grand Forks, ND
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mandy Williamson is a Physical Therapist provider in Grand Forks, ND (NPI 1821984238).
Provider details
- NPI number
- 1821984238
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sole proprietor
- Yes
- License
- 2900 (ND)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-13
- Last updated
- 2025-06-13
- Certified
- 2025-06-03
Frequently asked questions
- What is Mandy Williamson's NPI number?
- Mandy Williamson's National Provider Identifier (NPI) is 1821984238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mandy Williamson's specialty?
- Mandy Williamson is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mandy Williamson located?
- Mandy Williamson's practice location on file with NPPES is 749 S 30th St Apt 23, Grand Forks, ND 58201-4082.
- What is Mandy Williamson's phone number?
- The practice phone number listed in the NPPES registry for Mandy Williamson is (218) 230-2171.
- Does Mandy Williamson accept Medicare?
- Mandy Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mandy Williamson's NPI active?
- Yes — Mandy Williamson's NPI (1821984238) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.