William O'Connell, ATC
NPI 1295274769 · Athletic Trainer · Barrington, IL
William O'Connell, ATC is a Athletic Trainer provider in Barrington, IL (NPI 1295274769).
Provider details
- NPI number
- 1295274769
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-02-17
- Last updated
- 2019-03-08
Frequently asked questions
- What is William O'Connell's NPI number?
- William O'Connell's National Provider Identifier (NPI) is 1295274769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William O'Connell's specialty?
- William O'Connell is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William O'Connell located?
- William O'Connell's practice location on file with NPPES is 25955 W Timberlake Rd, Barrington, IL 60010-1436.
- What is William O'Connell's phone number?
- The practice phone number listed in the NPPES registry for William O'Connell is (312) 404-9366.
- Is William O'Connell's NPI active?
- Yes — William O'Connell's NPI (1295274769) is active in the NPPES registry as of the last update on 2019-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.