Christopher Duffy
NPI 1417423781 · Athletic Trainer · Arlington, MA
Christopher Duffy is a Athletic Trainer provider in Arlington, MA (NPI 1417423781).
Provider details
- NPI number
- 1417423781
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- 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
7 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
- 2018-10-15
- Last updated
- 2018-10-15
Frequently asked questions
- What is Christopher Duffy's NPI number?
- Christopher Duffy's National Provider Identifier (NPI) is 1417423781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Duffy's specialty?
- Christopher Duffy is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Christopher Duffy located?
- Christopher Duffy's practice location on file with NPPES is 70 Kensington Park, Arlington, MA 02476-8039.
- What is Christopher Duffy's phone number?
- The practice phone number listed in the NPPES registry for Christopher Duffy is (858) 442-5233.
- Is Christopher Duffy's NPI active?
- Yes — Christopher Duffy's NPI (1417423781) is active in the NPPES registry as of the last update on 2018-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.