James Siy, ATC
NPI 1083146609 · Athletic Trainer · Orange, CA
James Siy, ATC is a Athletic Trainer provider in Orange, CA (NPI 1083146609).
Provider details
- NPI number
- 1083146609
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2000024797 (CA)
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
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
- 2017-04-02
- Last updated
- 2017-04-02
Frequently asked questions
- What is James Siy's NPI number?
- James Siy's National Provider Identifier (NPI) is 1083146609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Siy's specialty?
- James Siy is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is James Siy located?
- James Siy's practice location on file with NPPES is 8045 E Chapman Ave, Orange, CA 92869-4512.
- What is James Siy's phone number?
- The practice phone number listed in the NPPES registry for James Siy is (714) 628-4704.
- Is James Siy's NPI active?
- Yes — James Siy's NPI (1083146609) is active in the NPPES registry as of the last update on 2017-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.