What is John Duff's NPI number?

John Duff's National Provider Identifier (NPI) is 1629033394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Duff's specialty?

John Duff is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is John Duff located?

John Duff's practice location on file with NPPES is 399 Canal St, Brattleboro, VT 05301-6619.

What is John Duff's phone number?

The practice phone number listed in the NPPES registry for John Duff is (802) 254-6611.

Is John Duff's NPI active?

Yes — John Duff's NPI (1629033394) is active in the NPPES registry as of the last update on 2014-03-27.

IndividualActive

John Duff, O.D.

NPI 1629033394 · Optometrist · Brattleboro, VT

John Duff, O.D. is a Optometrist provider in Brattleboro, VT (NPI 1629033394).

Provider details

NPI number: 1629033394
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: O.D.
Sex: Male
Sole proprietor: Yes
License: 030000175 (VT)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 030000175 (VT)
Eye and Vision Services Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

399 Canal St

Brattleboro, VT 05301-6619

Phone: (802) 254-6611

Fax: (802) 258-4655

Street-level locationGet directions

More VT providers

Mailing address