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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 (7)

The overall average patient rating of Dr. Xavier Parreno, Internist, General Practitioner is Good. Dr. Parreno has been reviewed by 14 patients who have provided 7 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 3.4
Courteous Staff 3.7
Accurate Diagnosis 4.3
Bedside Manner 3.9
Spends Time with Me 4.3
Follows Up After Visit 4.3

Specialties & Research

  • He has special expertise in 2 areas:

Education & Awards

Dr. Parreno graduated from Rosalind Franklin University, North Chicago. He has 1 awards.

Patients' Choice Award (2013 - 2014)


Dr. Parreno has 3 hospital affiliations:

  • Vista Health - Medical Center West 
  • Vista Health - Victory Memorial Hospital 
  • Vista Medical Center East 


  • Spanish

> > > > Dr. Xavier Parreno, MD

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Additional Information
Dr. Xavier William Parreno MD is a male Internist, has 17 years of experience and practices in Internal Medicine.
Where does Dr. Xavier W. Parreno practice?
Dr. Xavier Parreno has 1 office location.
Dr. Xavier Parreno practices Internal Medicine near Waukegan, IL.
See Waukegan Internists.