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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. Roy Greengrass:

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Patient Reviews

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

Specialties & Research

Dr. Roy Greengrass, MD is board certified in Anesthesiology.

  • He has special expertise in 2 areas:
  • Anesthesia
  • Inguinal Hernia

Education & Awards

Dr. Greengrass graduated from University Of Manitoba Faculty Of Medicine, Winnipeg.


Dr. Greengrass has 2 hospital affiliations:

  • Mayo Clinic 
  • Mayo Clinic hospital 

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Additional Information
Dr. Roy Allan Greengrass MD is a male Anesthesiologist, has 39 years of experience and practices in Anesthesiology.
Where does Dr. Roy A. Greengrass practice?
Dr. Roy Greengrass has 1 office location.
Dr. Roy Greengrass practices Anesthesiology near Jacksonville, FL.
See Jacksonville Anesthesiologists.