William Warren
NPI 1528442407 · Athletic Trainer · Rock Hill, SC
William Warren is a Athletic Trainer provider in Rock Hill, SC (NPI 1528442407).
Provider details
- NPI number
- 1528442407
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 072 (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
10 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
- 2015-07-10
- Last updated
- 2015-07-10
Frequently asked questions
- What is William Warren's NPI number?
- William Warren's National Provider Identifier (NPI) is 1528442407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Warren's specialty?
- William Warren is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Warren located?
- William Warren's practice location on file with NPPES is 320 W Springdale Rd, Rock Hill, SC 29730-8567.
- What is William Warren's phone number?
- The practice phone number listed in the NPPES registry for William Warren is (803) 981-1300.
- Is William Warren's NPI active?
- Yes — William Warren's NPI (1528442407) is active in the NPPES registry as of the last update on 2015-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.