Kenneth Wolnak, DO
NPI 1982744678 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Janesville, WI
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Wolnak, DO is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Janesville, WI (NPI 1982744678).
Provider details
- NPI number
- 1982744678
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 40664 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Kenneth Wolnak's NPI number?
- Kenneth Wolnak's National Provider Identifier (NPI) is 1982744678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Wolnak's specialty?
- Kenneth Wolnak is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Wolnak located?
- Kenneth Wolnak's practice location on file with NPPES is 1000 Mineral Point Ave, Janesville, WI 53548-2940.
- What is Kenneth Wolnak's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Wolnak is (608) 756-6868.
- Does Kenneth Wolnak accept Medicare?
- Kenneth Wolnak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Wolnak's NPI active?
- Yes — Kenneth Wolnak's NPI (1982744678) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.