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40 years of experience
Accepting new patients
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).

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Specialties & Research

Dr. Frederick Lewis, MD is board certified in Internal Medicine.

  • He has special expertise in 9 areas:
  • Adrenal Gland Diseases
  • Diabetes
  • Diabetes Mellitus
  • Endocrinology
  • Metabolic Bone Diseases
  • Osteoporosis
  • Parathyroid Diseases
  • Pituitary Diseases
  • Thyroid Diseases

Education & Awards

Dr. Lewis graduated from Albany Medical College.


Dr. Lewis has 6 hospital affiliations:

  • Lenox Hill Hospital 
  • Beth Israel Medical Center Petrie Division 


  • Spanish

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Additional Information
Dr. Frederick Elliot Lewis MD is a male Internist, has 40 years of experience and practices in Internal Medicine.
Where does Dr. Frederick E. Lewis practice?
Dr. Frederick Lewis has 1 office location.
Dr. Frederick Lewis practices Internal Medicine near New York, NY.
See New York Internists.