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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. Hai-Wen Ma:

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Education & Awards

Dr. Ma graduated from Shanghai First Medical College.


Dr. Ma has 3 hospital affiliations:

  • St Catherine Of Siena Medical Center 
  • South Nassau Communities Hospital 
  • Mercy Medical Center 


  • Chinese
  • German
  • Russian
  • Spanish

> > > > Dr. Hai-Wen Ma, MD

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Additional Information
Dr. Hai-Wen Wen Ma MD is a female Internist, has 16 years of experience and practices in Internal Medicine.
Where does Dr. Hai-Wen W. Ma practice?
Dr. Hai-Wen Ma has 1 office location.
Dr. Hai-Wen Ma practices Internal Medicine near Northport, NY.
See Northport Internists.