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Anesthesiologist (pain control), Emergency Physician
31 years of experience
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).

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Gregory Johnston is Excellent. Dr. Johnston has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. Gregory Johnston, MD is board certified in Anesthesiology and Emergency Medicine.

Education & Awards

Dr. Johnston graduated from The University of Texas at Galveston.


Dr. Johnston has 6 hospital affiliations:

  • Northwest Surgical Hospital 
  • Integris Baptist Medical Center Okla Cit 

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Additional Information
Dr. Gregory W Johnston MD is a male Anesthesiologist, has 31 years of experience and practices in Anesthesiology and Emergency Medicine.
Where does Dr. Gregory W. Johnston practice?
Dr. Gregory Johnston has 1 office location.
Dr. Gregory Johnston practices Anesthesiology and Emergency Medicine near Oklahoma City, OK.
See Oklahoma City Anesthesiologists and Oklahoma City Emergency Physicians.