NPI Portal NPI Lookup & Verification

Hearing Instrument Specialist in Greenfield, WI

8 active Hearing Instrument Specialist providers practice in Greenfield, Wisconsin according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Hearing Instrument Specialist providers in Greenfield, WI
NPI Name Type Specialty Location
1306304001 B. S. Wisniewski Custom Hearing Instruments Organization Hearing Instrument Specialist Greenfield, WI
1134308307 Brian Wisniewski Individual Hearing Instrument Specialist Greenfield, WI
1467089672 John Santucci Individual Hearing Instrument Specialist Greenfield, WI
1467050203 Jordan Wisniewski Individual Hearing Instrument Specialist Greenfield, WI
1376850933 Lisa Hottenstein-Meier Individual Hearing Instrument Specialist Greenfield, WI
1740610153 Matt Maro Individual Hearing Instrument Specialist Greenfield, WI
1215540182 Patrick Quane Individual Hearing Instrument Specialist Greenfield, WI
1588262323 Tammi Wisniewski Individual Hearing Instrument Specialist Greenfield, WI

Frequently asked questions

How many Hearing Instrument Specialist providers are in Greenfield, WI?
The latest NPPES snapshot lists 8 active Hearing Instrument Specialist providers with a practice address in Greenfield, Wisconsin.
How do I check a Hearing Instrument Specialist provider's NPI in Greenfield?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-11.