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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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Ioannis Xenidis is Excellent. Dr. Xenidis has been reviewed by 3 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Promptness 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

  • He has special expertise in 4 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • Unstable Angina

Education & Awards

Dr. Xenidis graduated from Philadelphia College of Osteopathic Medicine.


Dr. Xenidis has 17 hospital affiliations:

  • St James Hosp & Hlth Ctr - Olympia Flds 
  • Advocate South Suburban Hospital 


  • Spanish
  • German
  • French
  • Greek
  • English

> > > > Dr. Ioannis Xenidis, DO, FACC

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Additional Information
Dr. Ioannis Dimitrios Xenidis DO and FACC is a male Internist, has 10 years of experience and practices in Cardiovascular Disease and Cardiology.
Where does Dr. Ioannis D. Xenidis practice?
Dr. Ioannis Xenidis has 6 office locations.
Dr. Ioannis Xenidis practices Cardiovascular Disease and Cardiology near Dyer, IN.
Additional practice locations include: Munster, IN and Olympia Fields, IL.
See Dyer Cardiologists.