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Otolaryngologist (ear, nose, throat)
29 years of experience
Accepting new patients
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

  • Currently 2.5 of 4 stars
Patient comments (4)

The overall average patient rating of Dr. Oscar Alonso is Good. Dr. Alonso has been reviewed by 13 patients who have provided 4 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.5
  • Currently 3.4545454545455 of 4 stars
Promptness 3.0
  • Currently 3 of 4 stars
Courteous Staff 2.6
  • Currently 2.6363636363636 of 4 stars
Accurate Diagnosis 2.8
  • Currently 2.75 of 4 stars
Bedside Manner 2.4
  • Currently 2.3636363636364 of 4 stars
Spends Time with Me 2.4
  • Currently 2.4166666666667 of 4 stars
Follows Up After Visit 2.1
  • Currently 2.0909090909091 of 4 stars

Specialties & Research

Dr. Oscar Alonso, MD is board certified in Otolaryngology.

  • He has special expertise in 2 areas:
  • Laser Surgery
  • Sleep Disorders

Education & Awards

Dr. Alonso graduated from Rush Medical College, Chicago.


Dr. Alonso has 4 hospital affiliations:

  • Advocate Good Samaritan Hospital 
  • Elmhurst Memorial Hospital 


  • Italian
  • Spanish

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Additional Information
Dr. Oscar Luis Alonso MD is a male Otolaryngologist, has 29 years of experience and practices in Otolaryngology.
Where does Dr. Oscar L. Alonso practice?
Dr. Oscar Alonso has 2 office locations.
Dr. Oscar Alonso practices Otolaryngology near Downers Grove, IL.
See Downers Grove Otolaryngologists.