Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Allison Duncan III, MD

Individual provider Neurological Surgery Physician · NPI 1932186632

John Allison Duncan III, MD is a Neurological Surgery Physician in Barrington, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5 Spindrift Way
Barrington, RI 02806-5034
Phone: (401) 245-7146
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence MD08811 (RI)

Record details

NPI number1932186632
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 23, 2005
Last updated in NPPESFebruary 11, 2022