What is Mei Tsai's NPI number?

Mei Tsai's National Provider Identifier (NPI) is 1285504365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mei Tsai's specialty?

Mei Tsai is listed in the NPPES registry with a primary specialty of Geriatric Pharmacist (Pharmacy Service Providers).

Where is Mei Tsai located?

Mei Tsai's practice location on file with NPPES is 3330 Lomita Blvd, Torrance, CA 90505-5002.

What is Mei Tsai's phone number?

The practice phone number listed in the NPPES registry for Mei Tsai is (310) 325-9110.

Is Mei Tsai's NPI active?

Yes — Mei Tsai's NPI (1285504365) is active in the NPPES registry as of the last update on 2025-11-05.

IndividualActive

Mei Tsai

NPI 1285504365 · Geriatric Pharmacist · Torrance, CA

Mei Tsai is a Geriatric Pharmacist provider in Torrance, CA (NPI 1285504365).

Provider details

NPI number: 1285504365
Entity type: Individual
Primary specialty: Geriatric PharmacistPharmacy Service Providers
Sex: Female
Sole proprietor: No
License: 55032 (CA)

Specialties & taxonomies

Geriatric PharmacistPrimary1835G0303XLicense 55032 (CA)
Pharmacy Service Providers

Profile Score

Established profile(54/100 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

3330 Lomita Blvd

Torrance, CA 90505-5002

Phone: (310) 325-9110

Street-level locationGet directions

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Mailing address