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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 (4)

The overall average patient rating of Dr. Sean O'Connor is Excellent. Dr. O'Connor has been reviewed by 10 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Sean O'Connor, MD is board certified in Internal Medicine.

  • He has special expertise in 4 areas:
  • Anxiety Disorders
  • Depression
  • Preventive Medicine
  • Women's Health

Education & Awards

Dr. O'Connor graduated from University of Illinois at Chicago. He has 5 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice 5th Anniversary Award (2012)
Patients' Choice Award (2008 - 2012, 2014)
Compassionate Doctor Recognition (2011 - 2012, 2014)
On-Time Doctor Award (2014)


Dr. O'Connor has 2 hospital affiliations:

  • Louis A Weiss Memorial Hospital 
  • Northwestern Memorial Hospital 


  • Spanish

> > > > Dr. Sean O'Connor, MD

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Additional Information
Dr. Sean Dennis O'Connor MD is a male Internist, has 18 years of experience and practices in Internal Medicine.
Where does Dr. Sean D. O'Connor practice?
Dr. Sean O'Connor has 2 office locations.
Dr. Sean O'Connor practices Internal Medicine near Chicago, IL.
See Chicago Internists.