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License & Identifications

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. Leonard Charnelle:

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Education & Awards

Dr. Charnelle graduated from New York Medical College, Valhalla.


Dr. Charnelle has 2 hospital affiliations:

  • Brookhaven Memorial Hospital 
  • Peconic Bay Medical Center 


  • French
  • German
  • Spanish

> > > > Dr. Leonard Charnelle, MD

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Additional Information
Dr. Leonard H Charnelle MD is a male Internist and practices in Internal Medicine.
Where does Dr. Leonard H. Charnelle practice?
Dr. Leonard Charnelle has 2 office locations.
Dr. Leonard Charnelle practices Internal Medicine near Westhampton Beach, NY.
Additional practice locations include: Patchogue, NY.
See Westhampton Beach Internists.