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Dr. John Brennan, MD

Nephrology* Age 61
Dr. John Brennan, MD
5.0 (3 Ratings)
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Dr. John Brennan, MD is a Nephrology Specialist in Mount Pleasant, WI.
Dr. John Brennan, MD
5.0 (3 Ratings)
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Dr. John Brennan, MD

Nephrology* Age 61
Mount Pleasant, WI
Accepting new patients
33 years of experience
Dr. John Brennan, MD is a Nephrology Specialist in Mount Pleasant, WI.

About

Dr. John Brennan, MD is a Nephrology Specialist in Mount Pleasant, WI and has 33 years experience. They graduated from Rosalind Franklin University Chicago Medical School. They currently practice at Ascension All Saints Hospital - Main Entrance - Spring Street Campus and are affiliated with Ascension All Saints Hospital - Surgical Services - Spring Street Campus. At present, Dr. Brennan received an average rating of 5.0/5 from patients and has been reviewed 3 times. Their office accepts new patients. Dr. Brennan is board certified in Internal Medicine and accepts multiple insurance plans.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Chronic Kidney Diseases
Parathyroid (Gland) Disease
Hyperparathyroidism
Chronic Kidney Diseases
Parathyroid (Gland) Disease
Hyperparathyroidism
Acute Kidney Failure
Calcium Metabolism Disorders
Chronic Kidney Disease Stage II
Chronic Kidney Disease Stage III
Chronic Kidney Disease Stage IV
Chronic Kidney Disease Stage V
Diabetes With Renal Manifestations
End-Stage Renal Disease
Hyperkalemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypokalemia
Hyposmolality and Hyponatremia
Kidney Stones
Mineral Metabolism Disorders
Nephritis and Nephropathy
Proteinuria
Renal Hyperparathyroidism
Secondary Renovascular Hypertension
Vitamin D Deficiency
Acidosis
  • View other providers who treat Acidosis
Acute Glomerulonephritis
Amyloidosis
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Chronic Kidney Disease Stage I
Congenital Anomalies of Kidney
Congenital Cystic Kidney Disease
Congenital Renal Agenesis and Dysgenesis
Dehydration
Goodpasture's Disease
Gout
  • View other providers who treat Gout
Hydronephrosis
Hypercalcemia
Hypertensive Heart and Chronic Kidney Disease
Hypotension (Excluding Maternal)
Iron Metabolism Disorders
Limb Swelling Caused by Fluid Overload
Magnesium Metabolism Disorders
Nephrotic Syndrome
Phosphorus Metabolism Disorders
Renal Osteodystrophy
Small Kidney
Systemic Vasculitis
Ureteral Stones
Vasculitis
Wegener's Granulomatosis
Hemodialysis
Kidney Transplant Evaluation
Living Kidney Donor Evaluation
Peritoneal Dialysis
Renal Scan
Ultrasound, Kidney

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Savings Plus of IL OA Select
  • Anthem Blue Cross Blue Shield HMO
    Anthem Blue Cross Blue Shield PPO
    Blue Preferred Plus POS
  • Standard Network HMO
  • Blue Cross Blue Shield of Illinois PPO
    Blue Print PPO
  • Blue Card High Performance Network HPN
    Blue Card PPO
  • First Health (Coventry Health Care) PPO
  • Network Health HMO-POS
    Network Health PPO
  • Choice Plus POS
    Medica Choice
    Navigate HMO
    Navigate POS
    Nexus Open Access
    Options PPO
  • Blue PPO

Locations

  1. 1 Ascension All Saints Hospital - Main Entrance - Spring Street Campus
    3805 Spring St # 260, Mount Pleasant, WI 53405

Patient Satisfaction

Likelihood to recommend Dr. Brennan
5.0
Based on 3 Reviews
5 Stars (3)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Aug 10, 2023
Personable. Asked questions.
— Aug 10, 2023
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Photo: Dr. John Brennan, MD
How would you rate your experience with Dr. John Brennan, MD?
  • Likelihood of recommending Dr. Brennan to family and friends

Dr. Brennan's Office & Staff

  • Ease of scheduling urgent appointments
  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Brennan

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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About Me

Specialties*
Nephrology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Rosalind Franklin University Chicago Medical School
    1991
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine and Nephrology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Brennan communicate via email?
1 user said yes.
Yes
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No
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Does Dr. Brennan offer telehealth services or virtual visits?
1 user said yes.
Yes
(1)
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(0)
Does Dr. Brennan offer an online patient portal?
No responses yet.
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Does Dr. Brennan have free onsite parking?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Brennan offer weekend visits?
No responses yet.
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Does Dr. Brennan offer evening visits?
No responses yet.
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Does Dr. Brennan specialize in working with children or adolescents?
No responses yet.
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Does Dr. Brennan specialize in working with seniors?
No responses yet.
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Does Dr. Brennan specialize in couples therapy?
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Does Dr. Brennan specialize in working with LGBTQ+ community?
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Does Dr. Brennan accept insurance?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. John Brennan, MD. To arrange an appointment, call the number on Dr. Brennan's profile.

Dr. John Brennan, MD is affiliated with Ascension All Saints Hospital - Surgical Services - Spring Street Campus.

Yes, Dr. John Brennan, MD holds board certification in Internal Medicine and Nephrology.

Hospital Affiliations

  • Ascension All Saints Hospital - Surgical Services - Spring Street Campus

    3801 Spring St, Mount Pleasant, WI