Placeholder Photo for John F. Brennan, MD

Dr. John Brennan is a nephrologist in Brookfield. He treats conditions affecting the kidneys such as renal failure, kidney stones, or chronic kidney disease.

Reviews of Dr. Brennan
Dr. Brennan

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Wheaton Franciscan Medical Group  


 BOOK ONLINE

Please Note: This link will direct you to a third-party website unaffiliated with MD.com (https://wheatonmychart.org/mychartprd/), where you're able to request or schedule an appointment online with Dr. John Brennan.

Accepting New Patients?

Yes, Dr. John F. Brennan is accepting new patients at this office.


Fax

(262) 687-8062


Address

17000 W N Avenue, Brookfield, WI 53005

Office Details

Doctor Specialties Nephrology & Internal Medicine
Accepting New Patients? Yes
Practice Specialty Multi Specialty
Languages Spoken English

Wheaton Franciscan Medical Group  


 BOOK ONLINE

Please Note: This link will direct you to a third-party website unaffiliated with MD.com (https://wheatonmychart.org/mychartprd/), where you're able to request or schedule an appointment online with Dr. John Brennan.

Accepting New Patients?

Yes, Dr. John F. Brennan is accepting new patients at this office.


Fax

(262) 687-8796


Address

3803 Spring Street, Suite 600, Racine, WI 53405-1667

Office Details

Doctor Specialties Nephrology & Internal Medicine
Accepting New Patients? Yes
Languages Spoken English

Insurance Accepted  


  • Medicare

About Dr. Brennan
Dr. Brennan

Bio


Dr. John Brennan graduated from University Of Health Sciences/chicago Medical School in 1991.

Dr. Brennan has two offices in Wisconsin where he specializes in Nephrology and Internal Medicine.

Dr. Brennan works with forty-two doctors including Dr. Jennifer Carvin and Dr. James Censky.

Specialties


Education & Training  


Medical School

  • University Of Health Sciences/chicago Medical School
    MD • 1991


Hospital Affiliations


  • Wheaton Franciscan Healthcare-all Saints, Inc.
  • Froedtert Memorial Lutheran Hospital, Inc.
  • Aurora Health Care Metro, Inc.

Languages Spoken  


  • English

Dr. Brennan's Medicare Fee‑for‑Service Data (2014)  


Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Brennan, but only those who participate in Medicare.

  Overview
  • Doctor participates in Medicare?: Yes 
  • Number of HCPCS Codes: 24 
  • Number of Services: 1738 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 24 
  • Number of Medical Services: 1738 
  • Number of Medicare Patients with Medical Services: 516 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 516 
  • Average Age of Medicare Patients: 69 
  • Number of Patients Under Age 65: 160 
  • Number of Patients Age 65 to 74: 155 
  • Number of Patients Age 75 to 84: 150 
  • Number of Patients Over Age 84: 51 
  • Number of Female Patients : 246 
  • Number of Male Patients: 270 
  • Number of Non-Hispanic White Patients: 332 
  • Number of Black or African American Patients: 133 
  • Number of Asian Pacific Islander Patients: 0 
  • Number of Hispanic Patients: 0 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 0 
  • Number of Patients with Medicare Only Entitlement: 356 
  • Number of Patients with Medicare & Medicaid Entitlement: 160 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 15% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 9% 
  • Percent of Patients with Asthma: 13% 
  • Percent of Patients with Cancer: 9% 
  • Percent of Patients with Heart Failure: 35% 
  • Percent of Patients with Chronic Kidney Disease: 75% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 22% 
  • Percent of Patients with Depression: 22% 
  • Percent of Patients with Diabetes: 52% 
  • Percent of Patients with Hyperlipidemia: 66% 
  • Percent of Patients with Hypertension (High Blood Pressure): 75% 
  • Percent of Patients with Ischemic Heart Disease: 41% 
  • Percent of Patients with Osteoporosis: 7% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 31% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 8% 
  • Percent of Patients with Stroke: 8% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $733,145.00 
  • Total Medicare Allowed Amount: $222,241.42 
  • Total Medicare Payment Amount: $170,079.03 
  • Total Medicare Standardized Payment Amount: $176,041.28 
  • Total Medical Submitted Charge Amount: $733,145.00 
  • Total Medical Medicare Allowed Amount: $222,241.42 
  • Total Medical Medicare Payment Amount: $170,079.03 
  • Total Medical Medicare Standardized Payment Amount: $176,041.28 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 0 
  • Number of Drug Services: 0 
  • Number of Medicare Beneficiaries With Drug Services: 0 
  • Total Drug Submitted Charge Amount: $0.00 
  • Total Drug Medicare Allowed Amount: $0.00 
  • Total Drug Medicare Payment Amount: $0.00 
  • Total Drug Medicare Standardized Payment Amount: $0.00 

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