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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. Gary Hallam:

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Specialties & Research

Dr. Gary Hallam, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Hallam graduated from University of Michigan Medical School, Ann Arbor.


Dr. Hallam has 5 hospital affiliations:

  • Sutter General Hospital 
  • Sutter Memorial Hospital 


  • English

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Additional Information
Dr. Gary L Hallam MD is a male Emergency Medicine Specialist, has 40 years of experience and practices in Emergency Medicine.
Where does Dr. Gary L. Hallam practice?
Dr. Gary Hallam has 1 office location.
Dr. Gary Hallam practices Emergency Medicine near Sacramento, CA.
See Sacramento Emergency Physicians.