Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Kenneth M Wolnak, DO

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1982744678

Kenneth M Wolnak, DO is a Thoracic Surgery in Janesville, Wisconsin. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1980, 46 years ago. Practices with Mercy Health System Corporation, a 751-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
46
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
WI
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1000 Mineral Point Ave
Janesville, WI 53548-2940
Phone: (608) 756-6868
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 40664 (WI)

Record details

NPI number1982744678
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 8, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1000 Mineral Point Ave, Janesville, WI 53548-2940

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Also practisesCARDIAC SURGERY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1980 (46 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Janesville