See All Cardiothoracic Surgery in Wausau, WI
Dr. John Johnkoski, MD

Dr. John Johnkoski, MD

Age 60 Cardiothoracic Surgery M
Star rating icon (10) 10 reviews
Accepting New Patients


Dr. John Johnkoski, MD is a cardiothoracic surgery specialist in Wausau, WI. Dr. Johnkoski completed a residency at State University of New York At Buffalo. He currently practices at Aspirus Heart & Lung Surgery and is affiliated with Aspirus Wausau Hospital. He accepts multiple insurance plans. Dr. Johnkoski is board certified in Cardiovascular Surgery.

Patient Satisfaction

Likelihood to recommend Dr. Johnkoski
Star rating icon
Based on 10 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star

Leave a review

How likely are you to recommend Dr. Johnkoski?

Star rating icon
(Select your rating)
See more reviews on Healthgrades
Photo: Dr. John Johnkoski, MD
Dr. John Johnkoski, MD
  • Likelihood of recommending Dr. Johnkoski to family and friends
    Star rating icon

Dr. Johnkoski's Office & Staff

  • Ease of scheduling urgent appointments
    Star rating icon
  • Office environment, cleanliness, comfort, etc.
    Star rating icon
  • Staff friendliness and courteousness
    Star rating icon
  • Total wait time (waiting & exam rooms)

Experience with Dr. Johnkoski

  • Level of trust in provider's decisions
    Star rating icon
  • How well provider explains medical condition(s)
    Star rating icon
  • How well provider listens and answers questions
    Star rating icon
  • Spends appropriate amount of time with patients
    Star rating icon

Tell Us About Yourself

  • Your gender:
  • Your age group:
  • Number of office visits you've had in the last 2 years:

Finish Here

  • How would you like to confirm your survey information?
    Standard text messaging and data rates may apply.
Thank you for sharing your feedback about Dr. John Johnkoski, MD.


  • University Of Washington Medical Center, Fellowship Hospital
  • State University of New York At Buffalo, Residency Hospital
  • State University of New York At Buffalo, Internship Hospital
  • University of Michigan Medical School, Medical School — 1988

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Arise Health Plan
  • Aspirus Network, Inc.
  • Beech Street (Multiplan)
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • ChoiceCare Network
  • Cigna
  • HealthEOS
  • HealthPartners
  • HealthSmart - Interplan Health Group
  • Humana
  • MultiPlan
  • PHCS
  • Security Health Plan (SHP)
  • Today's Options
  • UnitedHealthCare
  • Universal American
  • WEA Trust
  • WPS Health Insurance

* Please verify this information when scheduling an appointment.

Frequently Asked Questions

Dr. Johnkoski frequently treats Maze Procedure, Chest CT (incl. Heart and Lungs), and Valve Repair or Replacement (Aortic, Mitral, Tricuspid, and Pulmonary).  

Find contact information here to make an appointment.

Hospital Affiliations

  • Aspirus Wausau Hospital


  1. Aspirus Heart & Lung Surgery

    1. 1
      Wausau Heart & Lung Surgeons
      425 Pine Ridge Blvd Ste 209, Wausau, WI 54401 (715) 847-0400