What is Sophia Cheung's NPI number?

Sophia Cheung's National Provider Identifier (NPI) is 1881541902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sophia Cheung's specialty?

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

Where is Sophia Cheung located?

Sophia Cheung's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.

What is Sophia Cheung's phone number?

The practice phone number listed in the NPPES registry for Sophia Cheung is (650) 573-2222.

Is Sophia Cheung's NPI active?

Yes — Sophia Cheung's NPI (1881541902) is active in the NPPES registry as of the last update on 2026-03-16.

IndividualActive

Sophia Cheung, RD

NPI 1881541902 · Registered Dietitian · San Mateo, CA

Sophia Cheung, RD is a Registered Dietitian provider in San Mateo, CA (NPI 1881541902).

Provider details

NPI number: 1881541902
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: RD
Sex: Female
Sole proprietor: Yes
License: 86174516 (CA)

Specialties & taxonomies

Registered DietitianPrimary133V00000XLicense 86174516 (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

222 W 39th Ave

San Mateo, CA 94403-4364

Phone: (650) 573-2222

Street-level locationGet directions

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Mailing address