Mark Sinclair, ATC
NPI 1275992521 · Athletic Trainer · Monterey, CA
Mark Sinclair, ATC is a Athletic Trainer provider in Monterey, CA (NPI 1275992521).
Provider details
- NPI number
- 1275992521
- 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
10 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
- 2016-02-15
- Last updated
- 2016-02-15
Frequently asked questions
- What is Mark Sinclair's NPI number?
- Mark Sinclair's National Provider Identifier (NPI) is 1275992521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sinclair's specialty?
- Mark Sinclair is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Sinclair located?
- Mark Sinclair's practice location on file with NPPES is 10 Harris Ct, Monterey, CA 93940-5704.
- What is Mark Sinclair's phone number?
- The practice phone number listed in the NPPES registry for Mark Sinclair is (831) 643-9788.
- Is Mark Sinclair's NPI active?
- Yes — Mark Sinclair's NPI (1275992521) is active in the NPPES registry as of the last update on 2016-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.