Skip to navigation Skip to Content

Search

Menu
Search Marshfield Clinic Health System
Join a world-class health system. Find jobs
​​“My goal is to work with each patient to provide them with the best surgical options.”

Provider Bio down arrow

Dr. John Petronovich is a board-certified general surgeon who performs the full spectrum of general surgery procedures. 


He specializes in abdominal surgeries, breast surgery, cancer care, endoscopies, varicose veins, venous disease, wound care and hyperbaric oxygen therapy. Dr. Petronovich is proficient with minimally invasive surgical techniques, including robotic-assisted surgeries.

“I enjoy general surgery due to the variety of disease processes we encounter and the many different areas of the body we treat,” Dr. Petronovich said. “Surgery is very gratifying because patients come to you with a problem and you work together to resolve that problem. That is what initially drew me to surgery.”

Dr. Petronovich believes communication is key to achieving the best outcomes.

“I want to communicate well in terms of the expectations of surgery and to make sure my patients know what the treatment process entails," Dr. Petronovich said. "I also strive to understand my patients’ concerns and ensure they feel involved in their care every step of the way.”

Dr. Petronovich received his medical degree from the Medical College of Wisconsin in Milwaukee and completed his general surgery residency with Marshfield Clinic Health System. 

Outside of work, Dr. Petronovich enjoys exploring the outdoors with his wife and four children.

Professional Summary down arrow

  • Medical School
    Medical College of Wisconsin Milwaukee, WI, United States, M.D. 2013

    Residency
    Marshfield Clinic/St. Joseph's Hospital Marshfield, WI, United States, General Surgery 2018

  • Professional Societies
    Wisconsin Surgical Society

    State Licenses
    Wisconsin

Patient Ratings down arrow

4.8
out of 5 (53 ratings, 10 comments)
4.8
Provider explanations of my problem
4.9
Provider concern for my questions
4.8
Provider's efforts to include me in treatment decisions
4.7
Provider's discussion of proposed treatment
4.8
My likelihood of recommending this provider

Patient Comments down arrow

Comments are also gathered from the Press Ganey patient satisfaction survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing.
Comments are from Press Ganey surveys. Slander, libel and private health information are removed.
Sort by:
April 15, 2023
What a nice doctor! Very kind and listened to my problems/concerns.
May 24, 2023
Dr. Petronovich was very friendly, knowledgeable and really showed an interest in my mom. He's great!
July 18, 2023
Dr. Petronovich excellent surgical skills.
August 31, 2023
Excellent follow up to post - visit questions I had for Dr. Petronovich. He called back two times and was not rushed when talking.
October 4, 2023
Dr. Petronovich was professional, courteous and friendly. His knowledge of his field was quite impressive. I would definitely contact him for any future surgeries.
October 11, 2023
I'm blessed to have Dr. Petronovich in my life!! Very through!
November 21, 2023
One you should try to keep.
December 8, 2023
Very personable.
January 9, 2024
My husband and I really liked Dr. Petronovich and his nurse, they were very nice and professional.
September 6, 2023
They are all on point and helpful. They are all good with explaining my procedure before it's carried out.
September 6, 2023
They are all on point and helpful. They are all good with explaining my procedure before it's carried out.
April 15, 2023
What a nice doctor! Very kind and listened to my problems/concerns.
May 24, 2023
Dr. Petronovich was very friendly, knowledgeable and really showed an interest in my mom. He's great!
July 18, 2023
Dr. Petronovich excellent surgical skills.
August 31, 2023
Excellent follow up to post - visit questions I had for Dr. Petronovich. He called back two times and was not rushed when talking.
October 4, 2023
Dr. Petronovich was professional, courteous and friendly. His knowledge of his field was quite impressive. I would definitely contact him for any future surgeries.
October 11, 2023
I'm blessed to have Dr. Petronovich in my life!! Very through!
November 21, 2023
One you should try to keep.
December 8, 2023
Very personable.
January 9, 2024
My husband and I really liked Dr. Petronovich and his nurse, they were very nice and professional.
April 15, 2023
What a nice doctor! Very kind and listened to my problems/concerns.
May 24, 2023
Dr. Petronovich was very friendly, knowledgeable and really showed an interest in my mom. He's great!
July 18, 2023
Dr. Petronovich excellent surgical skills.
August 31, 2023
Excellent follow up to post - visit questions I had for Dr. Petronovich. He called back two times and was not rushed when talking.
September 6, 2023
They are all on point and helpful. They are all good with explaining my procedure before it's carried out.
October 4, 2023
Dr. Petronovich was professional, courteous and friendly. His knowledge of his field was quite impressive. I would definitely contact him for any future surgeries.
October 11, 2023
I'm blessed to have Dr. Petronovich in my life!! Very through!
November 21, 2023
One you should try to keep.
December 8, 2023
Very personable.
January 9, 2024
My husband and I really liked Dr. Petronovich and his nurse, they were very nice and professional.
January 9, 2024
My husband and I really liked Dr. Petronovich and his nurse, they were very nice and professional.
December 8, 2023
Very personable.
November 21, 2023
One you should try to keep.
October 11, 2023
I'm blessed to have Dr. Petronovich in my life!! Very through!
October 4, 2023
Dr. Petronovich was professional, courteous and friendly. His knowledge of his field was quite impressive. I would definitely contact him for any future surgeries.
September 6, 2023
They are all on point and helpful. They are all good with explaining my procedure before it's carried out.
August 31, 2023
Excellent follow up to post - visit questions I had for Dr. Petronovich. He called back two times and was not rushed when talking.
July 18, 2023
Dr. Petronovich excellent surgical skills.
May 24, 2023
Dr. Petronovich was very friendly, knowledgeable and really showed an interest in my mom. He's great!
April 15, 2023
What a nice doctor! Very kind and listened to my problems/concerns.

Honor a Shining Star

Shining Star Logo

Honor a provider or care team member who makes a difference in your care with a gift through the Shining Star program.