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CENTRAL OTOLOGIC LTD
NPI 1295700565
Otolaryngology in Oconomowoc, WI

Active since February 21, 2006
888 THACKERAY TRAIL, SUITE # 108, OCONOMOWOC, WI 53066(262) 567-0505(262) 567-0778 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Central Otologic Ltd NPPES

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

CENTRAL OTOLOGIC LTD (NPI 1295700565) is a healthcare organization registered as an otolaryngology in Oconomowoc, Wisconsin and active in the NPI registry since February 2006. The organization lists Michael Charles Janowak, President, as its authorized official.

NPPES Registry Identity

NPI1295700565
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameCENTRAL OTOLOGIC LTD
Location Address888 THACKERAY TRAIL, SUITE # 108Oconomowoc, WI 53066
Mailing Address888 Thackeray Trail, Suite # 108Oconomowoc, WI 53066 · (262) 567-0505 · Fax (262) 567-0778
Phone(262) 567-0505
Fax(262) 567-0778
Organization SubpartNo
Authorized OfficialMichael Charles JanowakPresident · (262) 567-0505
Enumeration DateFebruary 21, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1295700565 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
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.
888 THACKERAY TRAIL, Oconomowoc, WI 53066
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Other Identifiers 3

OtherC01716WI · Railroad Medicare
Medicaid32684000WI
Other551343WI · Dean Health Plan

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Central Otologic Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Central Otologic Ltd, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Michael Janowak, MD
Otolaryngology
NPI 1285601070
888 THACKERAY TRL STE 108
Oconomowoc, WI 53066
(262) 567-0505
✔ PECOS✔ Accepts MedicareSame address
Dean Martinelli, MD
Otolaryngology
NPI 1932174117
888 THACKERAY TRAIL SUITE 108
Oconomowoc, WI 53066
(262) 567-0505
✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Central Otologic Ltd's NPI number?

The NPI number for Central Otologic Ltd is 1295700565. It was assigned to this organization in the NPPES registry on February 21, 2006.

Where is Central Otologic Ltd located?

Central Otologic Ltd is located at 888 Thackeray Trail Suite # 108, Oconomowoc, WI 53066. The listed phone number is (262) 567-0505.

What is Central Otologic Ltd's specialty?

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

Is Central Otologic Ltd enrolled in Medicare?

Yes. Central Otologic Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Central Otologic Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Otolaryngology, reassign their Medicare billing to Central Otologic Ltd. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Central Otologic Ltd was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.