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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. John Cahill:

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Specialties & Research

Dr. John Cahill, MD is board certified in Surgery.

Education & Awards

Dr. Cahill graduated from Tufts University, Boston.


Dr. Cahill has 2 hospital affiliations:

  • South Shore Hospital 
  • Boston Medical Center 

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Additional Information
Dr. John Mosher Cahill MD is a male Surgeon and practices in Surgery.
Where does Dr. John M. Cahill practice?
Dr. John Cahill has 1 office location.
Dr. John Cahill practices Surgery near Boston, MA.
See Boston Surgeons.