John Knapper, ATC, LAT
NPI 1174091151 · Athletic Trainer · Mason City, IA
John Knapper, ATC, LAT is a Athletic Trainer provider in Mason City, IA (NPI 1174091151).
Provider details
- NPI number
- 1174091151
- Entity type
- Individual
- Primary specialty
- Athletic TrainerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- ATC, LAT
- Sex
- Male
- Sole proprietor
- No
- License
- 079138 (IA)
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
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
- 2018-11-07
- Last updated
- 2018-11-07
Frequently asked questions
- What is John Knapper's NPI number?
- John Knapper's National Provider Identifier (NPI) is 1174091151, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Knapper's specialty?
- John Knapper is listed in the NPPES registry with a primary specialty of Athletic Trainer (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Knapper located?
- John Knapper's practice location on file with NPPES is 1501 4th St Sw, Mason City, IA 50401-2737.
- What is John Knapper's phone number?
- The practice phone number listed in the NPPES registry for John Knapper is (641) 428-6648.
- Is John Knapper's NPI active?
- Yes — John Knapper's NPI (1174091151) is active in the NPPES registry as of the last update on 2018-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.