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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. Brian Haag:

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Specialties & Research

Dr. Brian Haag, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Haag graduated from Medical College of Ohio, Toledo.


Dr. Haag has 1 hospital affiliations:

  • St. James Hospital and Health Center 

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Additional Information
Dr. Brian Rees Haag MD is a male Emergency Medicine Specialist, has 11 years of experience and practices in Emergency Medicine.
Where does Dr. Brian R. Haag practice?
Dr. Brian Haag has 1 office location.
Dr. Brian Haag practices Emergency Medicine near Olympia Fields, IL.
See Olympia Fields Emergency Physicians.