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Internist, Infectious Disease Specialist (virus, bacteria, parasites)
35 years of experience
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. Dial Hewlett, MD is board certified in Internal Medicine and Infectious Disease.

  • He has special expertise in 5 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Drug Abuse (Substance-Related Addiction Disorders)
  • HIV Infections
  • Hepatitis C
  • Pulmonary Tuberculosis

Education & Awards

Dr. Hewlett graduated from University of Wisconsin at Madison.


Dr. Hewlett has 2 hospital affiliations:

  • Lawrence Hospital 
  • Calvary Hospital 


  • Spanish
  • English

> > > > Dr. Dial Hewlett, MD

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Additional Information
Dr. Dial Hewlett MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Infectious Disease.
Where does Dr. Dial Hewlett practice?
Dr. Dial Hewlett has 2 office locations.
Dr. Dial Hewlett practices Internal Medicine and Infectious Disease near Yonkers, NY.
Additional practice locations include: Bronxville, NY.
See Yonkers Internists and Yonkers Infectious Disease Doctors.