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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).

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Specialties & Research

Dr. Marshall Fields, MD is board certified in Family Medicine.

Education & Awards

Dr. Fields graduated from Medical College of Wisconsin, Milwaukee.


Dr. Fields has 2 hospital affiliations:

  • St. Mary's Hospital Medical Center-Madison 
  • St Mary'S Hospital 


  • English

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Additional Information
Dr. Marshall Fields MD is a male Family Practitioner, has 39 years of experience and practices in Family Medicine.
Where does Dr. Marshall Fields practice?
Dr. Marshall Fields has 1 office location.
Dr. Marshall Fields practices Family Medicine near Madison, WI.
See Madison Family Physicians.