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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 (220 ratings, 47 comments)
4.6
Provider explanations of my problem
4.6
Provider concern for my questions
4.7
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:
July 14, 2021
Very good conditions explaining to me about my condition.
July 22, 2021
Dr. Mroz was great. I felt she was very competent. Thank you.
August 5, 2021
Dr. Mroz is a very caring professional who gives great, down-to-earth answers to our questions.
August 5, 2021
Dr. Barbara is the best.
August 5, 2021
I am very happy with Dr. Mroz. She is always very pleasant & caring.
August 10, 2021
Dr. Mroz was very good!
August 11, 2021
Seems genuinely concerned with my overall health. Answers questions well, thank you for providing a good, caring doctor.
August 24, 2021
Needed solution and was pleased with visit care
September 7, 2021
All good.
September 15, 2021
Dr. Mroz is an amazing dr. Always take time to go over my concerns & listens. My phone visit went very well - Never did I feel rushed, even though she is very busy!!
September 20, 2021
Dr. Mroz is the very very best doctor in the clinic BAR NONE... GREAT DOCTOR!!!
September 28, 2021
All good.
October 5, 2021
Dr. Mroz is super! Never makes me feel "rushed." Absolutely super great! Thank you Dr. Mroz!
October 7, 2021
I always have the best experience when I visit my doctor - Mroz. I fully trust her & I believe she truly looks out for what is best for me. She recommends the best doctors/med prof. so I get the ve...view full comment
November 4, 2021
I have friends going to her.
November 12, 2021
SHE IS THE BEST!
December 17, 2021
I have had numerous health issues the past few years and Dr. Mroz has always been there for me to make things easier to deal with. Thank you!
December 21, 2021
Excellent
January 10, 2022
Dr. Mroz is a very caring person and very thorough. A great doctor.
February 5, 2022
My Dr. And I have a good relationship and she listens to me. I am an active participate in my care plan.
February 21, 2022
Family has high degree of trust in Dr. Mroz. Provider concern & service always excellent.
March 2, 2022
Dr. Mroz was kind and attentive to my concerns and address each holistically.
March 18, 2022
Dr. Mroz always provides excellent care!
March 18, 2022
Dr. Mroz is the most caring & concerned dr. I have ever had. She is perfection.
March 24, 2022
You need to provide MORE time with the dr. Appts are too rushed now. Quality or quantity of patients. Mayo system gives you more time!
March 29, 2022
Extremely thorough and took her time. Did NOT rush through conversations, listened well! Provided treatment suggestions, info! Thank you Dr. Mroz.
May 24, 2022
Dr. Lehman was excellent!
May 31, 2022
Dr. Mroz LISTENED & explained everything very thoroughly. Took my concerns seriously.
June 20, 2022
very attentive to my concerns.
June 20, 2022
Always a good experience with Dr. Mroz.
April 4, 2022
Excellent doctor! I am fortunate to be one of her patients. She takes the time to talk to me and answers my questions so I can understand.
September 13, 2021
I like Dr. Mroz very much I am very comfortable with her.
February 22, 2022
Best doctor
September 7, 2021
We have a good rapport.
November 29, 2021
She gave me the impression my concerns were not that bad. She made me feel my pain was less not that bad.
August 13, 2021
Dr. Mroz is very direct.
November 9, 2021
I have recommended this provider to many people.
February 1, 2022
Except for today Doctor seems to be in a hurry with little time to listen. Was very concerned about my safety with NO ONE wearing gloves.
July 2, 2021
Business-like.
December 28, 2021
This doctor always seems to be in a hurry. She seems like she is unfamiliar with my health issues.
April 5, 2022
She spent too much time trying to talk me into a vaccine. I did not want or trust.
July 30, 2021
Doctor was completely unsympathetic, ignorant of fibromyalgia pain and suffering. Advising it was male menopause - sleep apnea, and that I should lose weight and exercise. When I said I was walking, she said that was only for old people, I should run or swim 1 hour every day despite pain.
August 31, 2021
Been go to her for [several] years. Seems to be In rush to get out of room.
June 29, 2022
Bad experience - Waste of time. Breezed in & out. Ignored my questions.
April 26, 2022
I spend more time with my wellness person then my primary doctor. I liked it better when I was examed instead of asked questions.
August 16, 2021
No rating given
She barely listened to me, didn't even touch me, treated me like a drug seeker, handed me a pamphlet that had nothing to do with what she diagnosed me with, I was in & out with Dr. Mroz in 5 min. My w...view full comment
November 2, 2021
No rating given
Did not have questions or worries. Was a wellness check and my labs & blood pressure are all good.
August 16, 2021
No rating given
She barely listened to me, didn't even touch me, treated me like a drug seeker, handed me a pamphlet that had nothing to do with what she diagnosed me with, I was in & out with Dr. Mroz in 5 min. My w...view full comment
November 2, 2021
No rating given
Did not have questions or worries. Was a wellness check and my labs & blood pressure are all good.
April 26, 2022
I spend more time with my wellness person then my primary doctor. I liked it better when I was examed instead of asked questions.
June 29, 2022
Bad experience - Waste of time. Breezed in & out. Ignored my questions.
August 31, 2021
Been go to her for [several] years. Seems to be In rush to get out of room.
July 30, 2021
Doctor was completely unsympathetic, ignorant of fibromyalgia pain and suffering. Advising it was male menopause - sleep apnea, and that I should lose weight and exercise. When I said I was walking, she said that was only for old people, I should run or swim 1 hour every day despite pain.
April 5, 2022
She spent too much time trying to talk me into a vaccine. I did not want or trust.
July 2, 2021
Business-like.
December 28, 2021
This doctor always seems to be in a hurry. She seems like she is unfamiliar with my health issues.
February 1, 2022
Except for today Doctor seems to be in a hurry with little time to listen. Was very concerned about my safety with NO ONE wearing gloves.
August 13, 2021
Dr. Mroz is very direct.
November 9, 2021
I have recommended this provider to many people.
September 7, 2021
We have a good rapport.
November 29, 2021
She gave me the impression my concerns were not that bad. She made me feel my pain was less not that bad.
September 13, 2021
I like Dr. Mroz very much I am very comfortable with her.
February 22, 2022
Best doctor
April 4, 2022
Excellent doctor! I am fortunate to be one of her patients. She takes the time to talk to me and answers my questions so I can understand.
July 14, 2021
Very good conditions explaining to me about my condition.
July 22, 2021
Dr. Mroz was great. I felt she was very competent. Thank you.
August 5, 2021
Dr. Mroz is a very caring professional who gives great, down-to-earth answers to our questions.
August 5, 2021
Dr. Barbara is the best.
August 5, 2021
I am very happy with Dr. Mroz. She is always very pleasant & caring.
August 10, 2021
Dr. Mroz was very good!
August 11, 2021
Seems genuinely concerned with my overall health. Answers questions well, thank you for providing a good, caring doctor.
August 24, 2021
Needed solution and was pleased with visit care
September 7, 2021
All good.
September 15, 2021
Dr. Mroz is an amazing dr. Always take time to go over my concerns & listens. My phone visit went very well - Never did I feel rushed, even though she is very busy!!
September 20, 2021
Dr. Mroz is the very very best doctor in the clinic BAR NONE... GREAT DOCTOR!!!
September 28, 2021
All good.
October 5, 2021
Dr. Mroz is super! Never makes me feel "rushed." Absolutely super great! Thank you Dr. Mroz!
October 7, 2021
I always have the best experience when I visit my doctor - Mroz. I fully trust her & I believe she truly looks out for what is best for me. She recommends the best doctors/med prof. so I get the ve...view full comment
November 4, 2021
I have friends going to her.
November 12, 2021
SHE IS THE BEST!
December 17, 2021
I have had numerous health issues the past few years and Dr. Mroz has always been there for me to make things easier to deal with. Thank you!
December 21, 2021
Excellent
January 10, 2022
Dr. Mroz is a very caring person and very thorough. A great doctor.
February 5, 2022
My Dr. And I have a good relationship and she listens to me. I am an active participate in my care plan.
February 21, 2022
Family has high degree of trust in Dr. Mroz. Provider concern & service always excellent.
March 2, 2022
Dr. Mroz was kind and attentive to my concerns and address each holistically.
March 18, 2022
Dr. Mroz always provides excellent care!
March 18, 2022
Dr. Mroz is the most caring & concerned dr. I have ever had. She is perfection.
March 24, 2022
You need to provide MORE time with the dr. Appts are too rushed now. Quality or quantity of patients. Mayo system gives you more time!
March 29, 2022
Extremely thorough and took her time. Did NOT rush through conversations, listened well! Provided treatment suggestions, info! Thank you Dr. Mroz.
May 24, 2022
Dr. Lehman was excellent!
May 31, 2022
Dr. Mroz LISTENED & explained everything very thoroughly. Took my concerns seriously.
June 20, 2022
very attentive to my concerns.
June 20, 2022
Always a good experience with Dr. Mroz.
July 2, 2021
Business-like.
July 14, 2021
Very good conditions explaining to me about my condition.
July 22, 2021
Dr. Mroz was great. I felt she was very competent. Thank you.
July 30, 2021
Doctor was completely unsympathetic, ignorant of fibromyalgia pain and suffering. Advising it was male menopause - sleep apnea, and that I should lose weight and exercise. When I said I was walking, she said that was only for old people, I should run or swim 1 hour every day despite pain.
August 5, 2021
Dr. Mroz is a very caring professional who gives great, down-to-earth answers to our questions.
August 5, 2021
Dr. Barbara is the best.
August 5, 2021
I am very happy with Dr. Mroz. She is always very pleasant & caring.
August 10, 2021
Dr. Mroz was very good!
August 11, 2021
Seems genuinely concerned with my overall health. Answers questions well, thank you for providing a good, caring doctor.
August 13, 2021
Dr. Mroz is very direct.
August 16, 2021
No rating given
She barely listened to me, didn't even touch me, treated me like a drug seeker, handed me a pamphlet that had nothing to do with what she diagnosed me with, I was in & out with Dr. Mroz in 5 min. My w...view full comment
August 24, 2021
Needed solution and was pleased with visit care
August 31, 2021
Been go to her for [several] years. Seems to be In rush to get out of room.
September 7, 2021
All good.
September 7, 2021
We have a good rapport.
September 13, 2021
I like Dr. Mroz very much I am very comfortable with her.
September 15, 2021
Dr. Mroz is an amazing dr. Always take time to go over my concerns & listens. My phone visit went very well - Never did I feel rushed, even though she is very busy!!
September 20, 2021
Dr. Mroz is the very very best doctor in the clinic BAR NONE... GREAT DOCTOR!!!
September 28, 2021
All good.
October 5, 2021
Dr. Mroz is super! Never makes me feel "rushed." Absolutely super great! Thank you Dr. Mroz!
October 7, 2021
I always have the best experience when I visit my doctor - Mroz. I fully trust her & I believe she truly looks out for what is best for me. She recommends the best doctors/med prof. so I get the ve...view full comment
November 2, 2021
No rating given
Did not have questions or worries. Was a wellness check and my labs & blood pressure are all good.
November 4, 2021
I have friends going to her.
November 9, 2021
I have recommended this provider to many people.
November 12, 2021
SHE IS THE BEST!
November 29, 2021
She gave me the impression my concerns were not that bad. She made me feel my pain was less not that bad.
December 17, 2021
I have had numerous health issues the past few years and Dr. Mroz has always been there for me to make things easier to deal with. Thank you!
December 21, 2021
Excellent
December 28, 2021
This doctor always seems to be in a hurry. She seems like she is unfamiliar with my health issues.
January 10, 2022
Dr. Mroz is a very caring person and very thorough. A great doctor.
February 1, 2022
Except for today Doctor seems to be in a hurry with little time to listen. Was very concerned about my safety with NO ONE wearing gloves.
February 5, 2022
My Dr. And I have a good relationship and she listens to me. I am an active participate in my care plan.
February 21, 2022
Family has high degree of trust in Dr. Mroz. Provider concern & service always excellent.
February 22, 2022
Best doctor
March 2, 2022
Dr. Mroz was kind and attentive to my concerns and address each holistically.
March 18, 2022
Dr. Mroz always provides excellent care!
March 18, 2022
Dr. Mroz is the most caring & concerned dr. I have ever had. She is perfection.
March 24, 2022
You need to provide MORE time with the dr. Appts are too rushed now. Quality or quantity of patients. Mayo system gives you more time!
March 29, 2022
Extremely thorough and took her time. Did NOT rush through conversations, listened well! Provided treatment suggestions, info! Thank you Dr. Mroz.
April 4, 2022
Excellent doctor! I am fortunate to be one of her patients. She takes the time to talk to me and answers my questions so I can understand.
April 5, 2022
She spent too much time trying to talk me into a vaccine. I did not want or trust.
April 26, 2022
I spend more time with my wellness person then my primary doctor. I liked it better when I was examed instead of asked questions.
May 24, 2022
Dr. Lehman was excellent!
May 31, 2022
Dr. Mroz LISTENED & explained everything very thoroughly. Took my concerns seriously.
June 20, 2022
very attentive to my concerns.
June 20, 2022
Always a good experience with Dr. Mroz.
June 29, 2022
Bad experience - Waste of time. Breezed in & out. Ignored my questions.
June 29, 2022
Bad experience - Waste of time. Breezed in & out. Ignored my questions.
June 20, 2022
Always a good experience with Dr. Mroz.
June 20, 2022
very attentive to my concerns.
May 31, 2022
Dr. Mroz LISTENED & explained everything very thoroughly. Took my concerns seriously.
May 24, 2022
Dr. Lehman was excellent!
April 26, 2022
I spend more time with my wellness person then my primary doctor. I liked it better when I was examed instead of asked questions.
April 5, 2022
She spent too much time trying to talk me into a vaccine. I did not want or trust.
April 4, 2022
Excellent doctor! I am fortunate to be one of her patients. She takes the time to talk to me and answers my questions so I can understand.
March 29, 2022
Extremely thorough and took her time. Did NOT rush through conversations, listened well! Provided treatment suggestions, info! Thank you Dr. Mroz.
March 24, 2022
You need to provide MORE time with the dr. Appts are too rushed now. Quality or quantity of patients. Mayo system gives you more time!
March 18, 2022
Dr. Mroz is the most caring & concerned dr. I have ever had. She is perfection.
March 18, 2022
Dr. Mroz always provides excellent care!
March 2, 2022
Dr. Mroz was kind and attentive to my concerns and address each holistically.
February 22, 2022
Best doctor
February 21, 2022
Family has high degree of trust in Dr. Mroz. Provider concern & service always excellent.
February 5, 2022
My Dr. And I have a good relationship and she listens to me. I am an active participate in my care plan.
February 1, 2022
Except for today Doctor seems to be in a hurry with little time to listen. Was very concerned about my safety with NO ONE wearing gloves.
January 10, 2022
Dr. Mroz is a very caring person and very thorough. A great doctor.
December 28, 2021
This doctor always seems to be in a hurry. She seems like she is unfamiliar with my health issues.
December 21, 2021
Excellent
December 17, 2021
I have had numerous health issues the past few years and Dr. Mroz has always been there for me to make things easier to deal with. Thank you!
November 29, 2021
She gave me the impression my concerns were not that bad. She made me feel my pain was less not that bad.
November 12, 2021
SHE IS THE BEST!
November 9, 2021
I have recommended this provider to many people.
November 4, 2021
I have friends going to her.
November 2, 2021
No rating given
Did not have questions or worries. Was a wellness check and my labs & blood pressure are all good.
October 7, 2021
I always have the best experience when I visit my doctor - Mroz. I fully trust her & I believe she truly looks out for what is best for me. She recommends the best doctors/med prof. so I get the ve...view full comment
October 5, 2021
Dr. Mroz is super! Never makes me feel "rushed." Absolutely super great! Thank you Dr. Mroz!
September 28, 2021
All good.
September 20, 2021
Dr. Mroz is the very very best doctor in the clinic BAR NONE... GREAT DOCTOR!!!
September 15, 2021
Dr. Mroz is an amazing dr. Always take time to go over my concerns & listens. My phone visit went very well - Never did I feel rushed, even though she is very busy!!
September 13, 2021
I like Dr. Mroz very much I am very comfortable with her.
September 7, 2021
All good.
September 7, 2021
We have a good rapport.
August 31, 2021
Been go to her for [several] years. Seems to be In rush to get out of room.
August 24, 2021
Needed solution and was pleased with visit care
August 16, 2021
No rating given
She barely listened to me, didn't even touch me, treated me like a drug seeker, handed me a pamphlet that had nothing to do with what she diagnosed me with, I was in & out with Dr. Mroz in 5 min. My w...view full comment
August 13, 2021
Dr. Mroz is very direct.
August 11, 2021
Seems genuinely concerned with my overall health. Answers questions well, thank you for providing a good, caring doctor.
August 10, 2021
Dr. Mroz was very good!
August 5, 2021
I am very happy with Dr. Mroz. She is always very pleasant & caring.
August 5, 2021
Dr. Mroz is a very caring professional who gives great, down-to-earth answers to our questions.
August 5, 2021
Dr. Barbara is the best.
July 30, 2021
Doctor was completely unsympathetic, ignorant of fibromyalgia pain and suffering. Advising it was male menopause - sleep apnea, and that I should lose weight and exercise. When I said I was walking, she said that was only for old people, I should run or swim 1 hour every day despite pain.
July 22, 2021
Dr. Mroz was great. I felt she was very competent. Thank you.
July 14, 2021
Very good conditions explaining to me about my condition.
July 2, 2021
Business-like.

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