What is Ki Wi Fan's NPI number?

Ki Wi Fan's National Provider Identifier (NPI) is 1689104770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ki Wi Fan's specialty?

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

Where is Ki Wi Fan located?

Ki Wi Fan's practice location on file with NPPES is 31 Tower Rd, San Mateo, CA 94402-4000.

What is Ki Wi Fan's phone number?

The practice phone number listed in the NPPES registry for Ki Wi Fan is (650) 312-5320.

Is Ki Wi Fan's NPI active?

Yes — Ki Wi Fan's NPI (1689104770) is active in the NPPES registry as of the last update on 2026-01-02.

IndividualActive

Ki Wi Fan

NPI 1689104770 · Clinical Social Worker · San Mateo, CA

Ki Wi Fan is a Clinical Social Worker provider in San Mateo, CA (NPI 1689104770).

Provider details

NPI number: 1689104770
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 119420 (CA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 119420 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(70/100 index)

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

Registry tenure38% of score
9 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

31 Tower Rd

San Mateo, CA 94402-4000

Phone: (650) 312-5320

Street-level locationGet directions

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Mailing address