William Grissom, ATC
NPI 1982011276 · Athletic Trainer · Greenville, SC
William Grissom, ATC is a Athletic Trainer provider in Greenville, SC (NPI 1982011276).
Provider details
- NPI number
- 1982011276
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1060 (SC)
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
11 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
- 2014-07-18
- Last updated
- 2014-07-18
Frequently asked questions
- What is William Grissom's NPI number?
- William Grissom's National Provider Identifier (NPI) is 1982011276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Grissom's specialty?
- William Grissom is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Grissom located?
- William Grissom's practice location on file with NPPES is 200 Patewood Dr, Greenville, SC 29615-3593.
- What is William Grissom's phone number?
- The practice phone number listed in the NPPES registry for William Grissom is (864) 454-8340.
- Is William Grissom's NPI active?
- Yes — William Grissom's NPI (1982011276) is active in the NPPES registry as of the last update on 2014-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.