What is Yiyun Jiang's NPI number?

Yiyun Jiang's National Provider Identifier (NPI) is 1689568388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Yiyun Jiang's specialty?

Yiyun Jiang is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is Yiyun Jiang located?

Yiyun Jiang's practice location on file with NPPES is 2400 Moorpark Ave Ste 300, San Jose, CA 95128-2680.

What is Yiyun Jiang's phone number?

The practice phone number listed in the NPPES registry for Yiyun Jiang is (408) 975-2730.

Is Yiyun Jiang's NPI active?

Yes — Yiyun Jiang's NPI (1689568388) is active in the NPPES registry as of the last update on 2025-11-05.

IndividualActive

Yiyun Jiang

NPI 1689568388 · Psychologist · San Jose, CA

Yiyun Jiang is a Psychologist provider in San Jose, CA (NPI 1689568388).

Provider details

NPI number: 1689568388
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

PsychologistPrimary103T00000X
Behavioral Health & Social Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Basic profile(48/100 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
83% 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

2400 Moorpark Ave Ste 300

San Jose, CA 95128-2680

Phone: (408) 975-2730

Street-level locationGet directions

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Mailing address