James Williamson, ATC
NPI 1245866201 · Athletic Trainer · Warren, MI
James Williamson, ATC is a Athletic Trainer provider in Warren, MI (NPI 1245866201).
Provider details
- NPI number
- 1245866201
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2601002927 (MI)
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
6 yrs 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
- 2020-03-20
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is James Williamson's NPI number?
- James Williamson's National Provider Identifier (NPI) is 1245866201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Williamson's specialty?
- James Williamson is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is James Williamson located?
- James Williamson's practice location on file with NPPES is 26242 Audrey Ave, Warren, MI 48091-1214.
- What is James Williamson's phone number?
- The practice phone number listed in the NPPES registry for James Williamson is (801) 564-5100.
- Is James Williamson's NPI active?
- Yes — James Williamson's NPI (1245866201) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.