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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. Klaus Haas:

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Education & Awards

Dr. Haas graduated from University of Michigan Medical School, Ann Arbor.


Dr. Haas has 4 hospital affiliations:

  • Rhode Island Hospital 
  • Kent County Hospital 


  • English
  • German

> > > > Dr. Klaus Haas, MD

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Additional Information
Dr. Klaus F Haas MD is a male Surgeon, has 47 years of experience and practices in Surgery and Vascular Surgery.
Where does Dr. Klaus F. Haas practice?
Dr. Klaus Haas has 1 office location.
Dr. Klaus Haas practices Surgery and Vascular Surgery near East Greenwich, RI.
See East Greenwich Surgeons.