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. Seymour Alter:
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Specialties & Research
Dr. Seymour Alter, MD is board certified in Internal Medicine.
Education & Awards
Dr. Alter graduated from Boston University .
Dr. Alter has 4 hospital affiliations:
- St Catherine Of Siena Medical Center
- Queens Hospital Center
Accepted Insurance Plans
Dr. Alter accepts these health insurances in at least one office:
- United Healthcare - 16 plans
- Unicare - 12 plans
- Oxford Health Plans - 3 plans
- Humana - 5 plans
- Medicare - 1 plan
- Capital District Physicians Health Plan - 4 plans
- Cigna - 6 plans
- The Empire Plan (UHC) - 1 plan
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Seymour D. Alter practice?
Dr. Seymour Alter practices Internal Medicine near Smithtown, NY.
See Smithtown Internists.