Claire Masterson
NPI 1518740919 · Athletic Trainer · El Cajon, CA
Claire Masterson is a Athletic Trainer provider in El Cajon, CA (NPI 1518740919).
Provider details
- NPI number
- 1518740919
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- 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
2 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
- 2023-08-17
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Claire Masterson's NPI number?
- Claire Masterson's National Provider Identifier (NPI) is 1518740919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Masterson's specialty?
- Claire Masterson is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Claire Masterson located?
- Claire Masterson's practice location on file with NPPES is 2462 Hilton Head Pl Apt 2033, El Cajon, CA 92019-4421.
- What is Claire Masterson's phone number?
- The practice phone number listed in the NPPES registry for Claire Masterson is (216) 538-2920.
- Is Claire Masterson's NPI active?
- Yes — Claire Masterson's NPI (1518740919) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.