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Dr. John Madigan, DO

Dr. John Madigan, DO

Age 46 Nephrology M
Star rating icon (8) 8 reviews

Dr. John Madigan, DO is a nephrology specialist in Millburn, NJ. Dr. Madigan completed a residency at Newark Beth Israel Med Center. He currently practices at Associates in Internal Medicine & Nephrology and is affiliated with Newark Beth Israel Medical Center. He accepts multiple insurance plans. Dr. Madigan is board certified in Nephrology.




  • Newark Beth Israel Medical Center, Internship Hospital
  • Board Certified- Clinical Specialist in Hypertension (ASH), Other Education — 2014
  • Fellow Of The American College Of Physicians (Facp), Other Education — 2013
  • Fellow Of The American Society Of Nephrology (Fasn), Other Education — 2013
  • Saint Barnabas Medical Center, Fellowship Hospital — 2009
  • Newark Beth Israel Medical Center, Fellowship Hospital — 2007
  • Newark Beth Israel Med Center, Residency Hospital — 2006
  • University Of New England College Of Osteopathic Medicine, Medical School — 2003
  • State University of New York / Health Science Center At Stony Brook, Undergraduate School — 1998

Insurance Accepted

  • AARP
  • Aetna
  • Amerigroup (Wellpoint)
  • Amerihealth
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • Commercial Insurance Company
  • Coventry Health Care
  • EmblemHealth
  • First Health (Coventry Health Care)
  • Health Net
  • HealthFirst
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Locals (any local)
  • Medicaid
  • MultiPlan
  • Oxford Health Plans
  • QualCare
  • UnitedHealthCare
  • WellCare

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Have been seeing him since my condition back in 2015 . He is very very informing and and easy to communicate with
— Nov 21, 2021
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Dr. John Madigan, DO
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Hospital Affiliations

  • Newark Beth Israel Medical Center
  • Cooperman Barnabas Medical Center
  • East Orange General Hospital
  • Overlook Medical Center

Frequently Asked Questions

Dr. Madigan frequently treats Hyperkalemia, Acidosis, and Renal Scan.  


  1. Associates in Internal Medicine & Nephrology

    1. 1
      Associates in Internal Medicine & Nephrology PC
      225 Millburn Ave Ste 209, Millburn, NJ 07041 Existing Patients: (973) 891-2964