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. John Grigas:
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- Currently 1.5 of 4 stars
The overall average patient rating of Dr. John Grigas is Satisfactory.
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Specialties & Research
Dr. John Grigas, MD is board certified in Internal Medicine and Sleep Medicine.
Education & Awards
Dr. Grigas graduated from University of Florida, Gainesville.
Dr. Grigas has 7 hospital affiliations:
- Baptist Medical Center
- Baptist - South
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- Additional Information
- Dr. John Daniel Grigas MD is a male Internist, has 33 years of experience and practices in Internal Medicine and Sleep Medicine.
- Where does Dr. John D. Grigas practice?
- Dr. John Grigas has 4 office locations.
Dr. John Grigas practices Internal Medicine and Sleep Medicine near Jacksonville, FL.
See Jacksonville Internists and Jacksonville Sleep Medicine Doctors.