John Guarnieri
NPI 1457995029 · Athletic Trainer · Northfield, NH
John Guarnieri is a Athletic Trainer provider in Northfield, NH (NPI 1457995029).
Provider details
- NPI number
- 1457995029
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- Yes
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
6 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
- 2019-11-06
- Last updated
- 2019-11-06
Frequently asked questions
- What is John Guarnieri's NPI number?
- John Guarnieri's National Provider Identifier (NPI) is 1457995029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guarnieri's specialty?
- John Guarnieri is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Guarnieri located?
- John Guarnieri's practice location on file with NPPES is 61 Summer St, Northfield, NH 03276-1644.
- What is John Guarnieri's phone number?
- The practice phone number listed in the NPPES registry for John Guarnieri is (603) 726-6335.
- Is John Guarnieri's NPI active?
- Yes — John Guarnieri's NPI (1457995029) is active in the NPPES registry as of the last update on 2019-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.