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Dr. John Brennan, MD

Dr. John Brennan, MD

Nephrology*
30+ years of experience

Dr. John Brennan, MD is a nephrologist in Mount Pleasant, WI and has over 30 years of experience in the medical field. Dr. Brennan has extensive experience in Glomerulonephritis & Nephropathy. He graduated from Rosalind Franklin University Chicago Medical School in 1991. He is affiliated with Ascension All Saints Hospital. He is accepting new patients.

5 Star Rating
Based on 4 reviews 5 Star Rating (4 reviews)

Practice

3805B Spring St Ste 260 Mount Pleasant, WI 53405

Make an Appointment

(262) 687-8340

At a Glance

  • Areas of Expertise
    Dr. Brennan specializes in the areas of Internal Medicine & Nephrology. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Recent Reviews
    Reviews made in the last 30 days. • See reviews
  • Clean Hospital
    Patients said the hospital this doctor practices at is clean. • See hospitals
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Dr. Brennan's Reviews

Likelihood to recommend Dr. Brennan

5.0

4 ratings, 3 with a written review
5 Star
100%
100%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
0%
0%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
No results
Helpful
Apr 17, 2025
×Post a ResponseAre you Dr. John Brennan, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Aug 10, 2023
Thank you; we appreciate your feedback!...Read More
×Post a ResponseAre you Dr. John Brennan, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
May 08, 2023
×Post a ResponseAre you Dr. John Brennan, MD?

Leave a review

How was your experience with Dr. Brennan?

Know Before You Go

About Me

biography

Dr. John Brennan, MD is a nephrologist in Mount Pleasant, WI and has over 30 years of experience in the medical field. Dr. Brennan has extensive experience in Glomerulonephritis & Nephropathy. He graduated from Rosalind Franklin University Chicago...read more

  • Nephrology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Rosalind Franklin University Chicago Medical School

    Medical School, 1991
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Internal Medicine
- 
Nephrology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

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Locations

Practice

Office3805B Spring St Ste 260 Mount Pleasant, WI 53405
1

Practice

Willow Creek Dialysis1139 Warwick Way Racine, WI 53406
2

Affiliated Hospitals

  • Ascension All Saints Hospital

    3801 Spring St
    Mount Pleasant, WI 53405
    Recipient of 4
    hospital awards

    How patients felt about the care they received at this hospital.

    88%
    Patients said they were given information about recovering at home

    4% higher than the national average

    78%
    Patients said that doctors always listened to them and explained things well

    2% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality