JB
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Brennan, Nephrologist in Mount Pleasant, WI?
Dr. John Brennan, MD is a Nephrologist, who primarily practices in Mount Pleasant, WI. Dr. Brennan graduated from University of Chicago Division of the Biological Sciences The Pritzker School of Medicine and completed his residency at Loyola University Medical Center Program. Dr. Brennan is fluent in English and Spanish, and is currently seeing new patients. Dr. Brennan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Brennan’s office.
Where did Dr. Brennan go to medical school and complete their residency?
Residency: Loyola University Medical Center Program
Medical School: University of Chicago Division of the Biological Sciences The Pritzker School of Medicine
What languages does Dr. Brennan speak?
Dr. Brennan and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Nephrologist like Dr. Brennan typically treat?
As a Nephrologist, Dr. Brennan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Brennan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- End-Stage Kidney Disease
- Chronic Kidney Disease Stage 3b
- Chronic Kidney Disease, Stage 4 (Severe)
- Chronic Kidney Disease Stage 5
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- Chronic Kidney Disease
- ESRD
- End-Stage Renal Failure
- CKD Stage 3b
- Moderate Chronic Kidney Disease
- CKD Stage 4
- Severe Chronic Kidney Disease
- CKD Stage 5
- End-Stage Renal Disease
ICD-10 Codes:
- N186: End stage renal disease
- N1832: Chronic kidney disease, stage 3b
- N184: Chronic kidney disease, stage 4 (severe)
- N185: Chronic kidney disease, stage 5
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Type 2 Diabetes with Kidney Disease
- Diabetes Type 2
- Diabetic Kidney Problems
- Type 2 diabetes
- Diabetic Nephropathy
- Kidney Damage from Type 2 Diabetes
- Type 2 Diabetes Kidney Complications
ICD-10 Codes:
- E1121: Type 2 diabetes mellitus with diabetic nephropathy
Also known as:
- Osteoarthritis
- Degenerative Joint Disease
- Wear-and-Tear Arthritis
- Hand Arthritis
ICD-10 Codes:
- M19049: Primary osteoarthritis, unspecified hand
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
What procedures does a Nephrologist like Dr. Brennan typically perform?
As a Nephrologist, procedures performed by Dr. John Brennan may include:
- Dialysis
- Kidney and Urinary Perfusion Scan
- Kidney Biopsy
- Kidney Transplant
- Kidney Ultrasound
- Nephrology Consultation
- Nephrology Follow Up
- Peritoneal Dialysis
Please contact Dr. Brennan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Brennan accept my insurance?
Dr. Brennan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Brennan accept in Mount Pleasant, WI?
Dr. Brennan in Mount Pleasant, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Broward Health
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Medicare
State of Wisconsin
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Brennan's office located?
What is Dr. Brennan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Brennan's National Provider Identifier (NPI) number is 1154351153.
What common questions do patients ask about Dr. Brennan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Brennan
What is Dr. John Brennan's specialty?
Dr. Brennan is a Nephrologist near Mount Pleasant, WI.
What does a Nephrologist do?
An internist who manages disorders related to the kidneys, including high blood pressure, fluid and mineral balance, and dialysis for waste removal when kidney function is impaired. This specialist also collaborates with surgeons regarding kidney transplantation.
Is this Dr. John Brennan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Brennan is affiliated with Froedtert Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Nephrologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Nephrologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Brennan accepting new patients in Mount Pleasant, WI?
Yes, Dr. John Brennan is accepting new patients at this time.
Does Dr. John Brennan offer online booking?
Please contact Dr. Brennan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Brennan?
Please contact Dr. Brennan's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Nephrologist Near Mount Pleasant, WI
CG
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Dr. Carlos Galvao-Sobrinho, MD, PHD is a Nephrologist, who primarily practices in Mount Pleasant, WI.
Mount Pleasant, WI
LX
Internist
Dr. Liping Xie, MD is an Internist, who primarily practices in Milwaukee, WI with 2 additional practice locations. She is board certified.
Milwaukee, WI
BF
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Dr. Buckley Fechter, MD is a Nephrologist, who primarily practices in Pleasant Prairie, WI with 2 additional practice locations.
Pleasant Prairie, WI
Connect with DR. Brennan
3803 Spring St Ste 600
Mount Pleasant, WI 53405