What is William Mai's NPI number?

William Mai's National Provider Identifier (NPI) is 1598138620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Mai's specialty?

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

Where is William Mai located?

William Mai's practice location on file with NPPES is 196 Orchard St, New York, NY 10002-5093.

What is William Mai's phone number?

The practice phone number listed in the NPPES registry for William Mai is (646) 416-5754.

Is William Mai's NPI active?

Yes — William Mai's NPI (1598138620) is active in the NPPES registry as of the last update on 2026-02-20.

IndividualActive

William Mai

NPI 1598138620 · Pharmacist · New York, NY

William Mai is a Pharmacist provider in New York, NY (NPI 1598138620).

Provider details

NPI number: 1598138620
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Sex: Male
Sole proprietor: No
License: 061271 (NY)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 061271 (NY)
Pharmacy Service Providers

Profile Score

Established profile(73/100 index)

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

Registry tenure38% of score
10 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

196 Orchard St

New York, NY 10002-5093

Phone: (646) 416-5754

Street-level locationGet directions

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Mailing address