Sean Flanagan, ATC
NPI 1245776129 · Athletic Trainer · Northridge, CA
Sean Flanagan, ATC is a Athletic Trainer provider in Northridge, CA (NPI 1245776129).
Provider details
- NPI number
- 1245776129
- 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
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
- 2017-01-16
- Last updated
- 2017-01-16
Frequently asked questions
- What is Sean Flanagan's NPI number?
- Sean Flanagan's National Provider Identifier (NPI) is 1245776129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Flanagan's specialty?
- Sean Flanagan is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sean Flanagan located?
- Sean Flanagan's practice location on file with NPPES is California State University Northridge, Northridge, CA 91330-8287.
- What is Sean Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Sean Flanagan is (818) 677-7507.
- Is Sean Flanagan's NPI active?
- Yes — Sean Flanagan's NPI (1245776129) is active in the NPPES registry as of the last update on 2017-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.