JOHN ALLISON DUNCAN III MD
NPI 1932186632
Neurological Surgery in Barrington, RI

Active since December 23, 2005PECOS Enrolled
5 SPINDRIFT WAY, BARRINGTON, RI 02806(401) 245-7146 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Allison Duncan Iii Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN ALLISON DUNCAN III MD (NPI 1932186632) is an individual neurological surgery provider in Barrington, Rhode Island, licensed in Rhode Island (MD08811) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932186632
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameJOHN ALLISON DUNCAN IIICredential: MD
Location Address5 SPINDRIFT WAYBarrington, RI 02806-5034
Mailing Address5 Spindrift WayBarrington, RI 02806-5034 · (401) 245-7146
Sole ProprietorYes
Enumeration DateDecember 23, 2005
Last NPPES UpdateFebruary 11, 2022
NPI 1932186632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in RI · MD08811
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
5 SPINDRIFT WAY, Barrington, RI 02806

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

John Allison Duncan Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Duncan's NPI number?

The NPI number for John Duncan is 1932186632. It was assigned to this individual provider in the NPPES registry on December 23, 2005.

Where is John Duncan located?

John Duncan practices at 5 Spindrift Way, Barrington, RI 02806. The listed phone number is (401) 245-7146.

What is John Duncan's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is John Duncan enrolled in Medicare?

Yes. John Duncan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Duncan was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.