What is Katherine Duncan's NPI number?

Katherine Duncan's National Provider Identifier (NPI) is 1043184138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katherine Duncan's specialty?

Katherine Duncan is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Katherine Duncan located?

Katherine Duncan's practice location on file with NPPES is 380 Encinal St Ste 200, Santa Cruz, CA 95060-2178.

What is Katherine Duncan's phone number?

The practice phone number listed in the NPPES registry for Katherine Duncan is (831) 469-1700.

Is Katherine Duncan's NPI active?

Yes — Katherine Duncan's NPI (1043184138) is active in the NPPES registry as of the last update on 2025-10-07.

IndividualActive

Katherine Duncan, RN

NPI 1043184138 · Registered Nurse · Santa Cruz, CA

Katherine Duncan, RN is a Registered Nurse provider in Santa Cruz, CA (NPI 1043184138).

Provider details

NPI number: 1043184138
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Female
Sole proprietor: No
License: 95388614 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 95388614 (CA)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

380 Encinal St Ste 200

Santa Cruz, CA 95060-2178

Phone: (831) 469-1700

Fax: (831) 425-1905

Street-level locationGet directions

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Mailing address