William Celorier
NPI 1659039352 · Athletic Trainer · Holliston, MA
William Celorier is a Athletic Trainer provider in Holliston, MA (NPI 1659039352).
Provider details
- NPI number
- 1659039352
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
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
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-11-30
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is William Celorier's NPI number?
- William Celorier's National Provider Identifier (NPI) is 1659039352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Celorier's specialty?
- William Celorier is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Celorier located?
- William Celorier's practice location on file with NPPES is 15 Dorset Rd # a, Holliston, MA 01746-1106.
- What is William Celorier's phone number?
- The practice phone number listed in the NPPES registry for William Celorier is (508) 654-9305.
- Is William Celorier's NPI active?
- Yes — William Celorier's NPI (1659039352) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.