What is Ying Ying Hui's NPI number?

Ying Ying Hui's National Provider Identifier (NPI) is 1255203139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ying Ying Hui's specialty?

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

Where is Ying Ying Hui located?

Ying Ying Hui's practice location on file with NPPES is 3875 Carter Dr Apt 301, South San Francisco, CA 94080-3885.

What is Ying Ying Hui's phone number?

The practice phone number listed in the NPPES registry for Ying Ying Hui is (415) 568-7700.

Is Ying Ying Hui's NPI active?

Yes — Ying Ying Hui's NPI (1255203139) is active in the NPPES registry as of the last update on 2025-09-22.

IndividualActive

Ying Ying Hui

NPI 1255203139 · Registered Nurse · South San Francisco, CA

Ying Ying Hui is a Registered Nurse provider in South San Francisco, CA (NPI 1255203139).

Provider details

NPI number: 1255203139
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: Yes
License: 95002059 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 95002059 (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

3875 Carter Dr Apt 301

South San Francisco, CA 94080-3885

Phone: (415) 568-7700

Street-level locationGet directions

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Mailing address