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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. TIMOTHY JOSEPH MARCINIAK H.I.S.
NPI 1962135749
Hearing Instrument Specialist in Green Bay, WI

Active since July 07, 2022
550 N MILITARY AVE STE 4A, GREEN BAY, WI 54303(920) 497-4600(920) 214-5593 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 25, 2026, Jul 7, 2022 (2 updates tracked since 2022).

About Mr. Timothy Joseph Marciniak H.i.s. NPPES

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

MR. TIMOTHY JOSEPH MARCINIAK H.I.S. (NPI 1962135749) is an individual hearing instrument specialist in Green Bay, Wisconsin, licensed in Wisconsin (1655-60) and active in the NPI registry since July 2022.

NPPES Registry Identity

NPI1962135749
Entity TypeIndividualMale
Primary Taxonomy237700000X
Provider Legal NameMR. TIMOTHY JOSEPH MARCINIAKCredential: H.I.S.
Location Address550 N MILITARY AVE STE 4AGreen Bay, WI 54303-4569
Mailing Address580 Howard AveSomerset, NJ 08873-1113
Phone(920) 497-4600
Fax(920) 214-5593
Sole ProprietorNo
Enumeration DateJuly 7, 2022
Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1962135749 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 WI · 1655-60
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
550 N MILITARY AVE STE 4A, Green Bay, WI 54303
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Other Providers at the Same Location NPPES 2

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

NICOLE M HALVERSON
Hearing Instrument Specialist
550 N MILITARY AVE STE 4A
GREEN BAY, WI 54303
Brown County (920) 497-4600
VALARIE MULL
Hearing Instrument Specialist
550 N MILITARY AVE STE 4A
GREEN BAY, WI 54303
Brown County (920) 593-9093

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 Timothy Marciniak's NPI number?

The NPI number for Timothy Marciniak is 1962135749. It was assigned to this individual provider in the NPPES registry on July 7, 2022.

Where is Timothy Marciniak located?

Timothy Marciniak practices at 550 N Military Ave Ste 4A, Green Bay, WI 54303. The listed phone number is (920) 497-4600.

What is Timothy Marciniak's specialty?

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

What insurance does Timothy Marciniak accept?

Health plans from Anthem Blue Cross and Blue Shield list Timothy Marciniak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Timothy Marciniak was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.