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“I like to work as a team with my patients to help them live a long and healthy life.”​

Provider Bio down arrow

Dr. J. Barbara Mroz began her medical practice with Marshfield Clinic Minocqua Center in 2001. As a specialist in internal medicine, Dr. Mroz diagnoses and treats a variety of acute and chronic medical conditions in adults in all stages of their lives. 

She has special interest in osteoporosis, women’s health, gastrointestinal problems and alternative medicine. She also is medical director for Minocqua Center’s Health Management Resources (HMR®) Weight Management Program, which supports weight loss through lifestyle changes and meal replacements.

Dr. Mroz is passionate about working together with patients to come up with a solution to their medical problems. “I am your partner - we work as a team to help you live a long and healthy life,”Dr. Mroz said. This statement echoes her collaborative approach to treatment.

A native of Cracow, Poland, Dr. Mroz completed medical school at Jagiellonian University Medical Academy in Cracow, Poland. She stayed in the city to finish her residency in internal medicine at Pope John Paul II Hospital, but then continued her residency training at
La Guardia Hospital/North Shore University in Forest Hills, New York.

Dr. Mroz holds a certification from the American Board of Internal Medicine, and is a member of the American College of Physicians and Wisconsin Medical Society. She is licensed to practice medicine in Wisconsin and New York.

When she’s not working, Dr. Mroz enjoys spending time with her husband and daughter. She also is a voracious reader. Her top picks include science fiction and detective books. In addition, Dr. Mroz enjoys travel and likes to keep up with the headlines in international politics.

Professional Summary down arrow

  • Medical School
    Jagiellonian University-Medical Academy Cracow, , Poland, M.D. 1985

    Residency
    North Shore University - Forest Hills Hospital Forest Hills, NY, United States Internal Medicine 1993

    Pope John Paul II Hospital Cracow, , Poland Internal Medicine 1987

  • Professional Societies
    American College of Physicians Polish American Health Association

    Board Certifications
    Internal Medicine: 1993, recertified 2014

    State Licenses
    New York Wisconsin

Patient Ratings down arrow

4.6
out of 5 (172 ratings, 20 comments)
4.6
Provider explanations of my problem
4.6
Provider concern for my questions
4.6
Provider's efforts to include me in treatment decisions
4.6
Provider's discussion of proposed treatment
4.6
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:
August 5, 2022
Always highly recommended!
August 24, 2022
She was very thorough. She seemed to be an engaging doctor.
September 20, 2022
Dr. Mroz is my primary Dr. She has taken great care of me through the years.
September 20, 2022
4. Excellent!
September 22, 2022
As usual Dr. Mroz was excellent.
October 28, 2022
I wish I could have this doctor for my primary. She was really wonderful caring and informative.
November 7, 2022
Dr. Mroz always goes above and beyond. You are very lucky to have her.
November 16, 2022
Dr. Mroz is great.
November 30, 2022
Appreciate Dr. Mroz care & concern. Personalize & caring!
December 5, 2022
All great.
February 6, 2023
Dr. Mroz is always helpful, caring and courteous.
March 1, 2023
I'm very happy with my doctor and her nurse.
March 3, 2023
Dr. Mroz is always friendly and very caring - I really feel confident of her type of care for me. I tell my friends about the good care I get at Marshfield Clinic -
March 10, 2023
Dr. Mroz is an excellent family physician.
April 1, 2023
Dr. Mroz communicates very well, from diagnoses to protocols...
April 3, 2023
Very good.
April 17, 2023
Dr. Mroz is great! I like having her for my doctor.
May 8, 2023
Dr. Mroz expressed concern about the results of my exam, lab, etc., which made me feel better.
May 9, 2023
Dr. Mroz is excellent.
August 11, 2022
Dr. Mroz is outstanding!!
August 11, 2022
Dr. Mroz is outstanding!!
August 5, 2022
Always highly recommended!
August 24, 2022
She was very thorough. She seemed to be an engaging doctor.
September 20, 2022
Dr. Mroz is my primary Dr. She has taken great care of me through the years.
September 20, 2022
4. Excellent!
September 22, 2022
As usual Dr. Mroz was excellent.
October 28, 2022
I wish I could have this doctor for my primary. She was really wonderful caring and informative.
November 7, 2022
Dr. Mroz always goes above and beyond. You are very lucky to have her.
November 16, 2022
Dr. Mroz is great.
November 30, 2022
Appreciate Dr. Mroz care & concern. Personalize & caring!
December 5, 2022
All great.
February 6, 2023
Dr. Mroz is always helpful, caring and courteous.
March 1, 2023
I'm very happy with my doctor and her nurse.
March 3, 2023
Dr. Mroz is always friendly and very caring - I really feel confident of her type of care for me. I tell my friends about the good care I get at Marshfield Clinic -
March 10, 2023
Dr. Mroz is an excellent family physician.
April 1, 2023
Dr. Mroz communicates very well, from diagnoses to protocols...
April 3, 2023
Very good.
April 17, 2023
Dr. Mroz is great! I like having her for my doctor.
May 8, 2023
Dr. Mroz expressed concern about the results of my exam, lab, etc., which made me feel better.
May 9, 2023
Dr. Mroz is excellent.
August 5, 2022
Always highly recommended!
August 11, 2022
Dr. Mroz is outstanding!!
August 24, 2022
She was very thorough. She seemed to be an engaging doctor.
September 20, 2022
Dr. Mroz is my primary Dr. She has taken great care of me through the years.
September 20, 2022
4. Excellent!
September 22, 2022
As usual Dr. Mroz was excellent.
October 28, 2022
I wish I could have this doctor for my primary. She was really wonderful caring and informative.
November 7, 2022
Dr. Mroz always goes above and beyond. You are very lucky to have her.
November 16, 2022
Dr. Mroz is great.
November 30, 2022
Appreciate Dr. Mroz care & concern. Personalize & caring!
December 5, 2022
All great.
February 6, 2023
Dr. Mroz is always helpful, caring and courteous.
March 1, 2023
I'm very happy with my doctor and her nurse.
March 3, 2023
Dr. Mroz is always friendly and very caring - I really feel confident of her type of care for me. I tell my friends about the good care I get at Marshfield Clinic -
March 10, 2023
Dr. Mroz is an excellent family physician.
April 1, 2023
Dr. Mroz communicates very well, from diagnoses to protocols...
April 3, 2023
Very good.
April 17, 2023
Dr. Mroz is great! I like having her for my doctor.
May 8, 2023
Dr. Mroz expressed concern about the results of my exam, lab, etc., which made me feel better.
May 9, 2023
Dr. Mroz is excellent.
May 9, 2023
Dr. Mroz is excellent.
May 8, 2023
Dr. Mroz expressed concern about the results of my exam, lab, etc., which made me feel better.
April 17, 2023
Dr. Mroz is great! I like having her for my doctor.
April 3, 2023
Very good.
April 1, 2023
Dr. Mroz communicates very well, from diagnoses to protocols...
March 10, 2023
Dr. Mroz is an excellent family physician.
March 3, 2023
Dr. Mroz is always friendly and very caring - I really feel confident of her type of care for me. I tell my friends about the good care I get at Marshfield Clinic -
March 1, 2023
I'm very happy with my doctor and her nurse.
February 6, 2023
Dr. Mroz is always helpful, caring and courteous.
December 5, 2022
All great.
November 30, 2022
Appreciate Dr. Mroz care & concern. Personalize & caring!
November 16, 2022
Dr. Mroz is great.
November 7, 2022
Dr. Mroz always goes above and beyond. You are very lucky to have her.
October 28, 2022
I wish I could have this doctor for my primary. She was really wonderful caring and informative.
September 22, 2022
As usual Dr. Mroz was excellent.
September 20, 2022
4. Excellent!
September 20, 2022
Dr. Mroz is my primary Dr. She has taken great care of me through the years.
August 24, 2022
She was very thorough. She seemed to be an engaging doctor.
August 11, 2022
Dr. Mroz is outstanding!!
August 5, 2022
Always highly recommended!

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