1. Home
  2. Directory
  3. Iowa
  4. Mason City
  5. Hearing Instrument Specialist
  6. NPI Profile

CALVIN TREPP HIS
NPI 1295136091
Hearing Instrument Specialist in Mason City, IA

Active since September 11, 2014
422 S PIERCE AVE, STE 101, MASON CITY, IA 50401(641) 424-6769(641) 424-6774 Get Directions Write a Review

NPPES record last updated: September 11, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Calvin Trepp His NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALVIN TREPP HIS (NPI 1295136091) is an individual hearing instrument specialist in Mason City, Iowa, licensed in Iowa (0940) and active in the NPI registry since September 2014.

NPPES Registry Identity

NPI1295136091
Entity TypeIndividualMale
Primary Taxonomy237700000X
Provider Legal NameCALVIN TREPPCredential: HIS
Location Address422 S PIERCE AVE, STE 101Mason City, IA 50401-2709
Mailing Address422 S Pierce Ave, Ste 101Mason City, IA 50401-2709 · (641) 424-6769 · Fax (641) 424-6774
Phone(641) 424-6769
Fax(641) 424-6774
Sole ProprietorYes
Enumeration DateSeptember 11, 2014
✔ NPI 1295136091 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Taxonomy Code237700000X
License✔ Licensed in IA · 0940
Definition
Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society
422 S PIERCE AVE, Mason City, IA 50401
Open in Google Maps ↗

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MIDWEST MEDICAL INC.
Durable Medical Equipment & Medical Supplies (Oxygen Equipment & Supplies)
422 S PIERCE AVE, SUITE 104
MASON CITY, IA 50401
Cerro Gordo County (641) 422-9999
MICHAEL L KORTHALS O.D.
Optometrist
422 S PIERCE AVE
MASON CITY, IA 50401
Cerro Gordo County (641) 424-0780
NORTH IOWA SLEEP LAB
Technician, Other
422 S PIERCE AVE, SUITE 103
MASON CITY, IA 50401
Cerro Gordo County (641) 424-0505

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Calvin Trepp's NPI number?

The NPI number for Calvin Trepp is 1295136091. It was assigned to this individual provider in the NPPES registry on September 11, 2014.

Where is Calvin Trepp located?

Calvin Trepp practices at 422 S Pierce Ave Ste 101, Mason City, IA 50401. The listed phone number is (641) 424-6769.

What is Calvin Trepp's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

When was this NPI record last updated?

The NPPES record for Calvin Trepp was last updated on September 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.