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. Timothy Sullivan, MD is board certified in Internal Medicine and Psychiatry.
He has special expertise in 3 Areas, including Bipolar Disorder Manic Depressive Disorder, Psychotherapy, and Schizophrenia.
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Education & Awards
Dr. Sullivan graduated from Dartmouth College, Hanover. He has 1 awards.
Dr. Sullivan has 4 hospital affiliations:
- Staten Island University Hospital North
- Staten Island University South