What is Sandy Liang's NPI number?

Sandy Liang's National Provider Identifier (NPI) is 1932918638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sandy Liang's specialty?

Sandy Liang is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).

Where is Sandy Liang located?

Sandy Liang's practice location on file with NPPES is 388 9th St Ste 103, Oakland, CA 94607-4288.

What is Sandy Liang's phone number?

The practice phone number listed in the NPPES registry for Sandy Liang is (707) 992-5335.

Is Sandy Liang's NPI active?

Yes — Sandy Liang's NPI (1932918638) is active in the NPPES registry as of the last update on 2026-05-25.

IndividualActive

Sandy Liang, RD

NPI 1932918638 · Registered Dietitian · Oakland, CA

Sandy Liang, RD is a Registered Dietitian provider in Oakland, CA (NPI 1932918638).

Provider details

NPI number: 1932918638
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Female
Sole proprietor: Yes
License: 86371713 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86371713 (CA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(55/100 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

388 9th St Ste 103

Oakland, CA 94607-4288

Phone: (707) 992-5335

Street-level locationGet directions

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Mailing address