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 Guelfguat:
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Specialties & Research
Dr. Mark Guelfguat, DO, MD is board certified in Diagnostic Radiology.
Education & Awards
Dr. Guelfguat graduated from New York Institute of Technology, Old Westbury.
Dr. Guelfguat has 1 hospital affiliations:
- Staten Island University Hospital North
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- Additional Information
- Where does Dr. Mark E. Guelfguat practice?
Dr. Mark Guelfguat practices Diagnostic Radiology near Staten Island, NY.
See Staten Island Radiologists.