What is Dayna Tai's NPI number?

Dayna Tai's National Provider Identifier (NPI) is 1154842417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dayna Tai's specialty?

Dayna Tai is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Dayna Tai located?

Dayna Tai's practice location on file with NPPES is 27303 Sleepy Hollow Ave S, Hayward, CA 94545-4203.

What is Dayna Tai's phone number?

The practice phone number listed in the NPPES registry for Dayna Tai is (510) 784-4589.

Is Dayna Tai's NPI active?

Yes — Dayna Tai's NPI (1154842417) is active in the NPPES registry as of the last update on 2026-03-20.

IndividualActive

Dayna Tai

NPI 1154842417 · Pharmacist · Hayward, CA

Dayna Tai is a Pharmacist provider in Hayward, CA (NPI 1154842417).

Provider details

NPI number: 1154842417
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Female
Sole proprietor: No
License: 89633 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 89633 (CA)
Pharmacy Service Providers

Profile Score

Established profile(70/100 index)

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

Registry tenure38% of score
8 yrs 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

27303 Sleepy Hollow Ave S

Hayward, CA 94545-4203

Phone: (510) 784-4589

Street-level locationGet directions

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Mailing address