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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Widness:

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Specialties & Research

Dr. John Widness, MD is board certified in Pediatrics and Neonatal-Perinatal Medicine.

  • He has special expertise in 10 areas:
  • Anoxia
  • Diabetes Mellitus
  • Fetal Diseases
  • Fetal Erythroblastosis
  • Fetal Hypoxia
  • Hyperinsulinism
  • Neonatal Anemia
  • Pregnancy Complications
  • Pregnancy in Diabetics
  • Rh Isoimmunization

Education & Awards

Dr. Widness graduated from Duke University , Durham. He has 1 awards.

One of America's Leading Experts on:
Pregnancy in Diabetics


Dr. Widness has 6 hospital affiliations:

  • University Of Iowa Hospital & Clinic 
  • Genesis Medical Center Davenport 

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Additional Information
Dr. John A Widness MD is a male Pediatrician, has 39 years of experience and practices in Pediatrics and Neonatal-Perinatal Medicine.
Where does Dr. John A. Widness practice?
Dr. John Widness has 1 office location.
Dr. John Widness practices Pediatrics and Neonatal-Perinatal Medicine near Iowa City, IA.
See Iowa City Pediatricians.