Mark Roznik, MD - Internal Medicine - Wheaton Franciscan Healthcare

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Patient Rating
4.6 / 5 (Based on 238 Reviews) Read Patient Comments

Mark Roznik, MD

Specialties: Internal Medicine
“I aim to provide support to help patients become responsible for their own health. With an emphasis on lifestyle changes, we can work together for optimal health.”
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Accepting new patients.


Clinical Interests

  • High Blood Pressure/Hypertension
  • Diabetes Management and Prevention
  • Injections - shoulder, hip and knee
  • Hyperlipidemia
  • Wart, Mole or Cyst Removal
  • Sports Medicine
  • Dermatology
  • Shave/Punch Biopsies of Skin Lesions
  • Wellness/Preventive Medicine

Meet Dr. Roznik


  • English


  • Elmbrook Memorial


  • Medical School
    1985 Medical College of Wisconsin, Milwaukee, Wisconsin
  • Residency
    1988 St. Louis University Medical Center, St. Louis, Missouri


  • Internal Medicine


Sports - Skiing & Triathalons | Hiking | Outdoor Activities

Patient Reviews

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November 17, 2016
Doctor seemed a bit harried. Very fast talking- however, since I had a long day myself, I really just wanted to get done and out myself.
November 12, 2016
Kind, took care of my needs, took the time to call in my prescription for me, which was really nice of him.
October 24, 2016
The problem I have is bronchial and it is something I often deal with.
October 22, 2016
I have great confidence in Dr. Roznik. He takes the time to listen to the patient and he is very thorough. He puts me at ease whenever I visit him. For those reasons I decided to continue with Dr. Roznik when his office moved to Brookfield, even though I live in Oak Creek.
October 17, 2016
Dr. Roznik is the best & provides me with EXCELLENT care. I will follow him!
September 27, 2016
! thought he was sort of arrogant. He did do some tests on me and explined why he did them.
September 25, 2016
I am transferring from one state to the state of Wi. some of the questions don't fit my situation. However based on facts known to both myself and Dr Roznick ratings remain very good.
August 27, 2016
We have been with Dr. Roznik over 25 years. Feel very confirm in him.
August 13, 2016
It's a 5 minute experience where I am given a new pill everytime I go in
July 25, 2016
Provider went too fast and asked me what was wrong when he walked in. That's why I came to the doctor, for him to provide a full explanation and let me know what was exactly wrong. I feel I basically self-diagnosed myself and he just prescribed the antibiotics. Provider did not even do a full on assessment, only checked my breathing for what I think was a sinus infection.
July 18, 2016
Prescribes medication for the answer to most problems.
July 02, 2016
I am very happy with the care Dr.Roznik gave me.
June 27, 2016
Dr. Roznik took time to review my meds and health problems. He used the medical history I provided and discussed what the furute care plan would involve. GOOD JOB
June 13, 2016
Dr. Rosnick stitches up a laceration on my scalp. He was VERY skilled and I was in out out of the office in 30 monutes. I am so thankful I did not have to go to ER. He deadened the area around the cut and I felt no pain after that. He was superb!!
June 01, 2016
I have been a patient, of Dr Roznik for 25 years.
May 09, 2016
Dr Roznik is always wonderful. He never makes me feel rushed and addresses any concerns immediately.
May 09, 2016
I followed this doctor from his former practice to his new practice because of how fantastic he is. You're lucky to have him on your team.
May 03, 2016
Dr. Roznik is the best! He takes excellent care of me and is one of the smartest & brightest doctors that I know.
April 22, 2016
I WOULD TELL FAMILY & FRIENDS BUT THEN HE WOULD GET TO BUSY!! I LIKE TO TEASE THE DOC!! I GO TO HIM CAUSE HE HAS BEEN TREATING ME FOR 26YRS!! *************************************************************************************************************************************
March 07, 2016
Would not trade him or his nurse for the world - they are worth their weight in gold.
March 07, 2016
I felt the MD was rushed and he was rushing me through my explanations.
January 26, 2016
This doctor, after spending very little time with, prescribed a medicine I had not asked for and failed to warn me of possible side effects. I had a bad reaction to this medicine and felt much better once I stopped taking it.
January 26, 2016
Did not bring laptop into the examining room which would have been extremely helpful. Instead I had to provide Dr. Roznik with my full medical history and medications. He asked me useless questions which could have alleviated if he had read my chart/medical history before coming into the exam room.
January 11, 2016
I wish someone had gone over insurance coverage before *Dr. Roznik went & removed a mole. Also, 2 more visits were needed because he didn't completely remove it.
December 23, 2015
Dr. Roznik is the best!
December 16, 2015
Overall a very good experience.
December 15, 2015
I have been with Dr.Roznik since he was with medical associates. Very good physician been with him since first time I went to him.
November 23, 2015
I have been with Dr. Roznik for 20 plus years and I stay with him because he listens to me and tries to do what is best for me.
November 09, 2015
I felt very rushed and that he really wasn't listening to me.
November 02, 2015
I followed Dr. Roznik ******************* to Wheaton because he consistently provides excellent care, speaks in straightforward language, spends the right amount of time with me, and is generally pleasant during the entire visit.
October 23, 2015
I do not like this provider but he is the only one available at night. He seems rude and arrogant to me. This visit was better than my first visit with him but not that much better. He did not even look at my nose or ears when I complained of cough and sore throat/no voice. He prescribed a medicine for laryngitis that seemed strong when I had only lost my voice for a day. Only spent about 5 minutes with me. My first visit about a year ago was much worse though - I didn't want to go back to him but no other option at night.
October 19, 2015
*Mark was very busy, but managed my expectations well.
October 19, 2015
MD didn't listen, disregarded my insights. I will not return to see him, and I have advised others to avoid him. The attitude was 'I'm the doctor and you are not, so I don't care about your thoughts or opinions.' and it will completely apparent he didn't care at all. Your practice is better than that. I'm surprised.
October 12, 2015
Dr. Roznik is the first doctor who really listens to me. I stayed with him even during a recent period where the health insurance I had at a previous job did not cover my care from Dr. Roznik.
September 30, 2015
First time I had *Dr. Rosnik. My primary is *T. Johnson - I was very happy with substitute.
September 22, 2015
I really like my provider and staff and convenience to me
August 24, 2015
Dr. Roznik is a consistently reliable and caring physician.
August 24, 2015
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