What is Richard Liang's NPI number?

Richard Liang's National Provider Identifier (NPI) is 1841136181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Richard Liang's specialty?

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

Where is Richard Liang located?

Richard Liang's practice location on file with NPPES is 3680 Del Monte Way, San Leandro, CA 94578-4032.

What is Richard Liang's phone number?

The practice phone number listed in the NPPES registry for Richard Liang is (510) 332-3436.

Is Richard Liang's NPI active?

Yes — Richard Liang's NPI (1841136181) is active in the NPPES registry as of the last update on 2026-04-28.

IndividualActive

Richard Liang

NPI 1841136181 · Registered Dietitian · San Leandro, CA

Richard Liang is a Registered Dietitian provider in San Leandro, CA (NPI 1841136181).

Provider details

NPI number: 1841136181
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Sex: Male
Sole proprietor: No
License: 86145595 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86145595 (CA)
Dietary & Nutritional Service Providers

Profile Score

Established profile(53/100 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
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

3680 Del Monte Way

San Leandro, CA 94578-4032

Phone: (510) 332-3436

Street-level locationGet directions

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Mailing address