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 Greenberg:
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Specialties & Research
Dr. Mark Greenberg, MD is board certified in Allergy & Immunology and Internal Medicine.
- He has special expertise in 3 areas:
- Food Allergy (Hypersensitivity)
- Nasal Allergy (Rhinitis)
Education & Awards
Dr. Greenberg graduated from Vanderbilt University, Columbia.
Dr. Greenberg has 6 hospital affiliations:
- Gulf Coast Hospital
- Cape Coral Hospital