Calvin Trepp, HIS
NPI 1295136091 · Hearing Instrument Specialist · Mason City, IA
Calvin Trepp, HIS is a Hearing Instrument Specialist provider in Mason City, IA (NPI 1295136091).
Provider details
- NPI number
- 1295136091
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- HIS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0940 (IA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2014-09-11
- Last updated
- 2014-09-11
Frequently asked questions
- What is Calvin Trepp's NPI number?
- Calvin Trepp's National Provider Identifier (NPI) is 1295136091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Trepp's specialty?
- Calvin Trepp is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Calvin Trepp located?
- Calvin Trepp's practice location on file with NPPES is 422 S Pierce Ave, Mason City, IA 50401-2709.
- What is Calvin Trepp's phone number?
- The practice phone number listed in the NPPES registry for Calvin Trepp is (641) 424-6769.
- Is Calvin Trepp's NPI active?
- Yes — Calvin Trepp's NPI (1295136091) is active in the NPPES registry as of the last update on 2014-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.