What is Jiayan Ou's NPI number?

Jiayan Ou's National Provider Identifier (NPI) is 1093424525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jiayan Ou's specialty?

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

Where is Jiayan Ou located?

Jiayan Ou's practice location on file with NPPES is 2000 Alameda De Las Pulgas, San Mateo, CA 94403-1269.

What is Jiayan Ou's phone number?

The practice phone number listed in the NPPES registry for Jiayan Ou is (510) 604-9861.

Is Jiayan Ou's NPI active?

Yes — Jiayan Ou's NPI (1093424525) is active in the NPPES registry as of the last update on 2026-02-03.

IndividualActive

Jiayan Ou

NPI 1093424525 · Clinical Social Worker · San Mateo, CA

Jiayan Ou is a Clinical Social Worker provider in San Mateo, CA (NPI 1093424525).

Provider details

NPI number: 1093424525
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: ASW122625 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense ASW122625 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(59/100 index)

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

Registry tenure38% of score
3 yrs 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

2000 Alameda De Las Pulgas

San Mateo, CA 94403-1269

Phone: (510) 604-9861

Street-level locationGet directions

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Mailing address