What is Colleen Duncan's NPI number?

Colleen Duncan's National Provider Identifier (NPI) is 1174866123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Colleen Duncan's specialty?

Colleen Duncan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Colleen Duncan located?

Colleen Duncan's practice location on file with NPPES is 3724 Jefferson St Ste 104, Austin, TX 78731-6204.

What is Colleen Duncan's phone number?

The practice phone number listed in the NPPES registry for Colleen Duncan is (512) 693-7045.

Is Colleen Duncan's NPI active?

Yes — Colleen Duncan's NPI (1174866123) is active in the NPPES registry as of the last update on 2026-03-31.

IndividualActive

Colleen Duncan, RD

NPI 1174866123 · Registered Dietitian · Austin, TX

Colleen Duncan, RD is a Registered Dietitian provider in Austin, TX (NPI 1174866123).

Provider details

NPI number: 1174866123
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Female
Sole proprietor: No
License: DN004688 (PA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense DN004688 (PA)
Dietary & Nutritional Service Providers

Profile Score

Detailed profile(78/100 index)

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

Registry tenure38% of score
13 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

3724 Jefferson St Ste 104

Austin, TX 78731-6204

Phone: (512) 693-7045

Street-level locationGet directions

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Mailing address