What is Leah Tsui's NPI number?

Leah Tsui's National Provider Identifier (NPI) is 1306493945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Leah Tsui's specialty?

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

Where is Leah Tsui located?

Leah Tsui's practice location on file with NPPES is 200 S Barrington Ave Unit 49870, Los Angeles, CA 90049-7837.

What is Leah Tsui's phone number?

The practice phone number listed in the NPPES registry for Leah Tsui is (323) 457-8796.

Is Leah Tsui's NPI active?

Yes — Leah Tsui's NPI (1306493945) is active in the NPPES registry as of the last update on 2026-05-07.

IndividualActive

Leah Tsui, MS, RDN, LDN

NPI 1306493945 · Registered Dietitian · Los Angeles, CA

Leah Tsui, MS, RDN, LDN is a Registered Dietitian provider in Los Angeles, CA (NPI 1306493945).

Provider details

NPI number: 1306493945
Entity type: Individual
Primary specialty: Registered DietitianDietary & Nutritional Service Providers
Credential: MS, RDN, LDN
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Registered DietitianPrimary133V00000X
Dietary & Nutritional Service Providers

Profile Score

Established profile(59/100 index)

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

Registry tenure38% of score
6 yrs in NPPES 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

200 S Barrington Ave Unit 49870

Los Angeles, CA 90049-7837

Phone: (323) 457-8796

Street-level locationGet directions

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Mailing address