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. Mark Greiner:
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Education & Awards
Dr. Greiner graduated from University of California at Davis.
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- Additional Information
- Dr. Mark Aaron Greiner MD is a male Ophthalmologist, has 4 years of experience and practices in Ophthalmology.
- Where does Dr. Mark A. Greiner practice?
- Dr. Mark Greiner has 2 office locations.
Dr. Mark Greiner practices Ophthalmology near Coralville, IA.
Additional practice locations include: Iowa City, IA.
See Coralville Ophthalmologists.