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. Lewis Cohen, MD, MS is board certified in Pediatrics and Pediatric Hematology-Oncology.
- He has special expertise in 1 area:
- PharmDrug Dvlpmnt Clinical TrialsBiostatisticsEpidemiology Pediatric Cancers
Education & Awards
Dr. Cohen graduated from University of Arizona, Tucson.