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Otolaryngologist (ear, nose, throat), Pediatrician
12 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

Patient comments (9)

The overall average patient rating of Dr. Erin O'Brien is Good. Dr. O'Brien has been reviewed by 26 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.2
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 3.7
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.6

Specialties & Research

Dr. Erin O'Brien, MD is board certified in Pediatrics.

  • She has special expertise in 3 areas:
  • Allergy
  • Asthma
  • Autism (Autistic Disorder)

Education & Awards

Dr. O'Brien graduated from Rush Medical College, Chicago. She has 2 awards.

Patients' Choice Award (2010 - 2011, 2013)
Compassionate Doctor Recognition (2010 - 2011, 2013)


Dr. O'Brien has 8 hospital affiliations:

  • Sherman Hospital 
  • St Alexius Medical Center 


  • English

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Additional Information
Dr. Erin K O'Brien MD is a female Otolaryngologist, has 12 years of experience and practices in Otolaryngology and Pediatrics.
Where does Dr. Erin K. O'Brien practice?
Dr. Erin O'Brien has 2 office locations.
Dr. Erin O'Brien practices Otolaryngology and Pediatrics near Lake In The Hills, IL.
Additional practice locations include: Crystal Lake, IL.
See Lake In The Hills Otolaryngologists and Lake In The Hills Pediatricians.