Stephen Deffner, MS, AT
NPI 1831521335 · Athletic Trainer · Eaton, OH
Stephen Deffner, MS, AT is a Athletic Trainer provider in Eaton, OH (NPI 1831521335).
Provider details
- NPI number
- 1831521335
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- MS, AT
- Sex
- Male
- Sole proprietor
- No
- License
- AT.003649 (OH)
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
12 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
- 2013-08-07
- Last updated
- 2013-08-07
Frequently asked questions
- What is Stephen Deffner's NPI number?
- Stephen Deffner's National Provider Identifier (NPI) is 1831521335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Deffner's specialty?
- Stephen Deffner is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Stephen Deffner located?
- Stephen Deffner's practice location on file with NPPES is 112 Lutheran Dr, Eaton, OH 45320-1618.
- What is Stephen Deffner's phone number?
- The practice phone number listed in the NPPES registry for Stephen Deffner is (937) 689-1025.
- Is Stephen Deffner's NPI active?
- Yes — Stephen Deffner's NPI (1831521335) is active in the NPPES registry as of the last update on 2013-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.