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).
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Specialties & Research
Dr. Marsha Zellner, MD is board certified in Internal Medicine.
More Specialties & Research
Education & Awards
Dr. Zellner graduated from Boston University .More Education & Awards
Dr. Zellner has 2 hospital affiliations:
- St Vincent's Medical Center
- St. Vincent`S Medical Center, Bridgeport CT