DR. JOHN C DUFF O.D.
NPI 1629033394
Optometrist in Brattleboro, VT

Q: What is John Duff's NPI number?

The NPI number for John Duff is 1629033394. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Q: What is John Duff's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for John Duff was last updated on March 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since April 18, 2006

399 CANAL ST, BRATTLEBORO, VT 05301(802) 254-6611(802) 258-4655 Get Directions Write a Review

NPPES record last updated: March 27, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. John C Duff O.d. NPPES

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

DR. JOHN C DUFF O.D. (NPI 1629033394) is an individual optometrist in Brattleboro, Vermont, licensed in Vermont (030000175) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1629033394

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. JOHN C DUFFCredential: O.D.

Location Address399 CANAL STBrattleboro, VT 05301-6619

Mailing Address399 Canal StBrattleboro, VT 05301-6619 · (802) 254-6611 · Fax (802) 258-4655

Phone(802) 254-6611

Fax(802) 258-4655

Sole ProprietorYes

Enumeration DateApril 18, 2006

Last NPPES UpdateMarch 27, 2014

✔ NPI 1629033394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in VT · 030000175

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

399 CANAL ST, Brattleboro, VT 05301

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Other Identifiers 6

Medicaid0006601VT

Medicare NSC0175890002VT

Medicare PINVT9295VT

Other410003059VT · Railroad Medicare

Medicare NSC0175890001VT

Medicare PINVT6601VT

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 Duff's NPI number?

The NPI number for John Duff is 1629033394. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is John Duff located?

John Duff practices at 399 Canal St, Brattleboro, VT 05301. The listed phone number is (802) 254-6611.

What is John Duff's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

When was this NPI record last updated?

The NPPES record for John Duff was last updated on March 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.