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CENTRAL OTOLOGIC LTD
NPI 1932177862
Otolaryngology in Watertown, WI

Active since March 08, 2006
123 HOSPITAL DRIVE, STE 106, WATERTOWN, WI 53098(920) 261-0226 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Central Otologic Ltd NPPES

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

CENTRAL OTOLOGIC LTD (NPI 1932177862) is a healthcare organization registered as an otolaryngology in Watertown, Wisconsin and active in the NPI registry since March 2006. The organization lists Michael Charles Janowak, President, as its authorized official.

NPPES Registry Identity

NPI1932177862
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameCENTRAL OTOLOGIC LTD
Location Address123 HOSPITAL DRIVE, STE 106Watertown, WI 53098
Mailing Address888 Thackeray Trail, Ste 108Oconomowoc, WI 53066 · (262) 567-0505 · Fax (262) 567-0778
Phone(920) 261-0226
Organization SubpartNo
Authorized OfficialMichael Charles JanowakPresident · (262) 567-0505
Enumeration DateMarch 8, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1932177862 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.
123 HOSPITAL DRIVE, Watertown, WI 53098
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Other Identifiers 3

Other39131700STWI · Wps
Other502461WI · Dean Health
Medicaid32684000WI

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Dean Health Plan.Insurance ›

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. They are listed nearest first.

Clinicians, nearest first (2)

Dean Martinelli, MD
Otolaryngology
NPI 1932174117
888 THACKERAY TRAIL SUITE 108
Oconomowoc, WI 53066
(262) 567-0505
✔ PECOS13 mi
Michael Janowak, MD
Otolaryngology
NPI 1285601070
888 THACKERAY TRL STE 108
Oconomowoc, WI 53066
(262) 567-0505
✔ PECOS✔ Accepts Medicare13 mi

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 1932177862. It was assigned to this organization in the NPPES registry on March 8, 2006.

Where is Central Otologic Ltd located?

Central Otologic Ltd is located at 123 Hospital Drive Ste 106, Watertown, WI 53098. The listed phone number is (920) 261-0226.

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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Central Otologic Ltd accept?

Health plans from CareSource (Common Ground Healthcare) and Dean Health Plan list Central Otologic Ltd 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 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.