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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).

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Specialties & Research

Dr. Ruth Deddish, MD is board certified in Neonatal-Perinatal Medicine.

  • She has special expertise in 3 areas:
  • Asthma
  • Cystic Fibrosis
  • Exercise

Education & Awards

Dr. Deddish graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse.


Dr. Deddish has 2 hospital affiliations:

  • Northwestern Memorial Hospital 
  • Children's Memorial Hospital 


  • English

> > > > Dr. Ruth Deddish, MD

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Additional Information
Dr. Ruth B Deddish MD is a female Neonatologist, has 42 years of experience and practices in Neonatal-Perinatal Medicine.
Where does Dr. Ruth B. Deddish practice?
Dr. Ruth Deddish has 3 office locations.
Dr. Ruth Deddish practices Neonatal-Perinatal Medicine near Chicago, IL.
Additional practice locations include: Joliet, IL.
See Chicago Pediatricians.