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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. Catherine Vretta:

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Specialties & Research

Dr. Catherine Vretta, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Vretta graduated from Wayne State University, Detroit.


Dr. Vretta has 5 hospital affiliations:

  • St. John Hospital & Medical Center 
  • St John Detroit Riverview Hospital 


  • English

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Additional Information
Dr. Catherine Vretta MD is a female Emergency Medicine Specialist, has 18 years of experience and practices in Emergency Medicine.
Where does Dr. Catherine Vretta practice?
Dr. Catherine Vretta has 2 office locations.
Dr. Catherine Vretta practices Emergency Medicine near Fraser, MI.
Additional practice locations include: Detroit, MI.
See Fraser Emergency Physicians.