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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. Howard Rotner:

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Specialties & Research

Dr. Howard Rotner, MD is board certified in Internal Medicine.

  • He has special expertise in 8 areas:
  • Adrenal Gland Diseases
  • Diabetes
  • Diabetes Mellitus
  • Metabolic Bone Diseases
  • Osteoporosis
  • Parathyroid Diseases
  • Pituitary Diseases
  • Thyroid Diseases

Education & Awards

Dr. Rotner graduated from Harvard University , Boston.


Dr. Rotner has 7 hospital affiliations:

  • NSMC - Salem Hospital 
  • Lahey Clinic 

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Additional Information
Dr. Howard Ezra Rotner MD is a male Internist, has 50 years of experience and practices in Internal Medicine.
Where does Dr. Howard E. Rotner practice?
Dr. Howard Rotner has 1 office location.
Dr. Howard Rotner practices Internal Medicine near Lynn, MA.
See Lynn Internists.