What is Marcella Duncan's NPI number?

Marcella Duncan's National Provider Identifier (NPI) is 1962386862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marcella Duncan's specialty?

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

Where is Marcella Duncan located?

Marcella Duncan's practice location on file with NPPES is 11450 Benton St, Loma Linda, CA 92354-3679.

What is Marcella Duncan's phone number?

The practice phone number listed in the NPPES registry for Marcella Duncan is (317) 603-9270.

Is Marcella Duncan's NPI active?

Yes — Marcella Duncan's NPI (1962386862) is active in the NPPES registry as of the last update on 2025-08-04.

IndividualActive

Marcella Duncan

NPI 1962386862 · Registered Dietitian · Loma Linda, CA

Marcella Duncan is a Registered Dietitian provider in Loma Linda, CA (NPI 1962386862).

Provider details

NPI number: 1962386862
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: Yes
License: 86296904 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86296904 (CA)
Dietary & Nutritional 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

11450 Benton St

Loma Linda, CA 92354-3679

Phone: (317) 603-9270

Street-level locationGet directions

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Mailing address