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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.

J GARRY SACK MD
NPI 1205889565
Otolaryngology in Wausau, WI

Active since May 18, 2006
2801 WESTHILL DR, WAUSAU, WI 54401(715) 847-2021(715) 847-2325 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About J Garry Sack Md NPPES

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

J GARRY SACK MD (NPI 1205889565) is an individual otolaryngology provider in Wausau, Wisconsin, licensed in Wisconsin (18475-020) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1205889565
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameJ GARRY SACKCredential: MD
Location Address2801 WESTHILL DRWausau, WI 54401-3700
Mailing Address2801 Westhill DrWausau, WI 54401-3700 · (715) 847-2021 · Fax (715) 847-2325
Phone(715) 847-2021
Fax(715) 847-2325
Sole ProprietorNo
Enumeration DateMay 18, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1205889565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in WI · 18475-020
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
2801 WESTHILL DR, Wausau, WI 54401
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Other Identifiers 1

Medicaid30108700WI

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.

ROCKY A LIPSMAN MD
Otolaryngology
2801 WESTHILL DR
WAUSAU, WI 54401
Marathon County (715) 847-2021
MICHAEL G DAHLKE AU.D.
Audiologist
2801 WESTHILL DR
WAUSAU, WI 54401
Marathon County (715) 847-2021

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 J Sack's NPI number?

The NPI number for J Sack is 1205889565. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is J Sack located?

J Sack practices at 2801 Westhill Dr, Wausau, WI 54401. The listed phone number is (715) 847-2021.

What is J Sack's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

When was this NPI record last updated?

The NPPES record for J Sack was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.