Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory John Klauer

Individual provider Hearing Instrument Specialist · NPI 1144907577

Gregory John Klauer is a Hearing Instrument Specialist in Dubuque, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2023

Practice location Address checks out

555 Jfk Rd Ste 480
Dubuque, IA 52002-5258
Phone: (563) 582-3663
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hearing Instrument Specialist (primary) Taxonomy 237700000X · Licence 155427 (IA)

Record details

NPI number1144907577
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 28, 2023
Last updated in NPPESJune 28, 2023
Certification dateJune 28, 2023
Mailing address555 Jfk Rd Ste 480, Dubuque, IA 52002-5258

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