What is Cai Yun Yu's NPI number?

Cai Yun Yu's National Provider Identifier (NPI) is 1588550057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cai Yun Yu's specialty?

Cai Yun Yu is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Cai Yun Yu located?

Cai Yun Yu's practice location on file with NPPES is 19000 Homestead Rd, Cupertino, CA 95014-0712.

What is Cai Yun Yu's phone number?

The practice phone number listed in the NPPES registry for Cai Yun Yu is (408) 366-4450.

Is Cai Yun Yu's NPI active?

Yes — Cai Yun Yu's NPI (1588550057) is active in the NPPES registry as of the last update on 2025-06-13.

IndividualActive

Cai Yun Yu

NPI 1588550057 · Clinical Social Worker · Cupertino, CA

Cai Yun Yu is a Clinical Social Worker provider in Cupertino, CA (NPI 1588550057).

Provider details

NPI number: 1588550057
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 116820 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 116820 (CA)
Behavioral Health & Social 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
1 yr 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

19000 Homestead Rd

Cupertino, CA 95014-0712

Phone: (408) 366-4450

Street-level locationGet directions

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Mailing address