What is J Sack's NPI number?

J Sack's National Provider Identifier (NPI) is 1205889565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is J Sack's specialty?

J Sack is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).

Where is J Sack located?

J Sack's practice location on file with NPPES is 2801 Westhill Dr, Wausau, WI 54401-3700.

What is J Sack's phone number?

The practice phone number listed in the NPPES registry for J Sack is (715) 847-2021.

Is J Sack's NPI active?

Yes — J Sack's NPI (1205889565) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

J Sack, MD

NPI 1205889565 · Otolaryngology Physician · Wausau, WI

J Sack, MD is a Otolaryngology Physician provider in Wausau, WI (NPI 1205889565).

Provider details

NPI number: 1205889565
Entity type: Individual
Primary specialty: Otolaryngology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
License: 18475-020 (WI)

Specialties & taxonomies

Otolaryngology PhysicianPrimary207Y00000XLicense 18475-020 (WI)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2801 Westhill Dr

Wausau, WI 54401-3700

Phone: (715) 847-2021

Fax: (715) 847-2325

Street-level locationGet directions

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Mailing address