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. Samuel Preston, DO is board certified in Family Medicine and Psychiatry.
- He has special expertise in 2 areas:
- Depressive Disorder
- Flu (Human Influenza)
Education & Awards
Dr. Preston graduated from Lake Erie College of Osteopathic Medicine at Erie.
Dr. Preston has 4 hospital affiliations:
- Walter Reed Army Medical Center