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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).

Learn more about Dr. Michael O'Brien:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Michael O'Brien is Excellent. Dr. O'Brien has been reviewed by 1 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 3.7

Education & Awards

Dr. O'Brien graduated from University of Guadalajara, Mexico, San Antonio.


Dr. O'Brien has 5 hospital affiliations:

  • HMHP St Elizabeth Health Center 
  • St Joseph Health Center 


  • German
  • English
  • Italian
  • Japanese
  • Polish
  • Russian
  • Spanish

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Additional Information
Dr. Michael John O'Brien MD is a male Emergency Medicine Specialist, has 15 years of experience and practices in Emergency Medicine.
Where does Dr. Michael J. O'Brien practice?
Dr. Michael O'Brien has 1 office location.
Dr. Michael O'Brien practices Emergency Medicine near Youngstown, OH.
See Youngstown Emergency Physicians.