What is Justin Mai's NPI number?

Justin Mai's National Provider Identifier (NPI) is 1891666954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Justin Mai's specialty?

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

Where is Justin Mai located?

Justin Mai's practice location on file with NPPES is 4110 N 1st St, San Jose, CA 95134-1513.

What is Justin Mai's phone number?

The practice phone number listed in the NPPES registry for Justin Mai is (408) 434-1839.

Is Justin Mai's NPI active?

Yes — Justin Mai's NPI (1891666954) is active in the NPPES registry as of the last update on 2025-09-13.

IndividualActive

Justin Mai, PHARMD

NPI 1891666954 · Pharmacist · San Jose, CA

Justin Mai, PHARMD is a Pharmacist provider in San Jose, CA (NPI 1891666954).

Provider details

NPI number: 1891666954
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARMD
Sex: Male
Sole proprietor: No
License: 91366 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 91366 (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

4110 N 1st St

San Jose, CA 95134-1513

Phone: (408) 434-1839

Street-level locationGet directions

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Mailing address