What is Xiao Wang's NPI number?

Xiao Wang's National Provider Identifier (NPI) is 1821929274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Xiao Wang's specialty?

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

Where is Xiao Wang located?

Xiao Wang's practice location on file with NPPES is 3500 Fillmore St, San Francisco, CA 94123-2103.

What is Xiao Wang's phone number?

The practice phone number listed in the NPPES registry for Xiao Wang is (628) 900-4446.

Is Xiao Wang's NPI active?

Yes — Xiao Wang's NPI (1821929274) is active in the NPPES registry as of the last update on 2026-05-26.

IndividualActive

Xiao Wang

NPI 1821929274 · School Psychologist · San Francisco, CA

Xiao Wang is a School Psychologist provider in San Francisco, CA (NPI 1821929274).

Provider details

NPI number: 1821929274
Entity type: Individual
Primary specialty: School PsychologistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

School PsychologistPrimary103TS0200X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 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
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

3500 Fillmore St

San Francisco, CA 94123-2103

Phone: (628) 900-4446

Street-level locationGet directions

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Mailing address