What is Elaine Yu's NPI number?

Elaine Yu's National Provider Identifier (NPI) is 1184563926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Elaine Yu's specialty?

Elaine Yu is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Elaine Yu located?

Elaine Yu's practice location on file with NPPES is 840 Madonna Way, Los Altos, CA 94024-4619.

What is Elaine Yu's phone number?

The practice phone number listed in the NPPES registry for Elaine Yu is (650) 305-8571.

Is Elaine Yu's NPI active?

Yes — Elaine Yu's NPI (1184563926) is active in the NPPES registry as of the last update on 2026-03-26.

IndividualActive

Elaine Yu, PHARM.D.

NPI 1184563926 · Pharmacist · Los Altos, CA

Elaine Yu, PHARM.D. is a Pharmacist provider in Los Altos, CA (NPI 1184563926).

Provider details

NPI number: 1184563926
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARM.D.
Sex: Female
Sole proprietor: No
License: 51309 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 51309 (CA)
Pharmacy Service Providers

Profile Score

Established profile(53/100 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

840 Madonna Way

Los Altos, CA 94024-4619

Phone: (650) 305-8571

Street-level locationGet directions

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Mailing address