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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. Junichi Iwai:

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Specialties & Research

Dr. Junichi Iwai, MD is board certified in Internal Medicine.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Iwai graduated from University Of Tokyo.


Dr. Iwai has 5 hospital affiliations:

  • John T Mather Memorial Hospital 
  • Stony Brook University Hospital 


  • Japanese

> > > > Dr. Junichi Iwai, MD

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Additional Information
Dr. Junichi DR Iwai MD is a male Internist and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Junichi D. Iwai practice?
Dr. Junichi Iwai has 1 office location.
Dr. Junichi Iwai practices Internal Medicine and Cardiovascular Disease near Patchogue, NY.
See Patchogue Internists and Patchogue Cardiologists.