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Neurologist (brain, nervous system)
18 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 (1)

The overall average patient rating of Dr. Dennis Obrien is Poor. Dr. Obrien has been reviewed by 5 patients who have provided 1 comments. The rating is 1 out of 5 stars.

Patient Ratings
Ease of Appointment 2.5
Promptness 2.5
Courteous Staff 3.0
Accurate Diagnosis 1.0
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Dennis Obrien, MD is board certified in Neurology.

  • He has special expertise in 9 areas:
  • Alzheimer's Disease
  • Blood Disorders
  • Electromyography (EMG)
  • Epilepsy
  • Gastrointestinal Cancer
  • Lung Cancer
  • Migraine Disorders
  • Movement Disorders
  • Multiple Sclerosis (MS)

Education & Awards

Dr. Obrien graduated from University of Arizona, Tucson.


Dr. Obrien has 3 hospital affiliations:

  • Northwestern Lake Forest Hospital 
  • Deaconess Billings Clinic 
  • Stillwater Community Hospital 


  • Spanish

> > > > Dr. Dennis Obrien, MD

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Additional Information
Dr. Dennis Obrien MD is a male Neurologist, has 18 years of experience and practices in Neurology.
Where does Dr. Dennis Obrien practice?
Dr. Dennis Obrien has 5 office locations.
Dr. Dennis Obrien practices Neurology near Wilmette, IL.
Additional practice locations include: Billings, MT and Chicago, IL.
See Wilmette Neurologists.