Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MAY CHAW PHARMD
NPI 1639053010
Pharmacist in Hayward, CA

Active since July 31, 2025
2499 WHIPPLE RD, HAYWARD, CA 94544(510) 471-9266 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. May Chaw Pharmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MAY CHAW PHARMD (NPI 1639053010) is an individual pharmacist in Hayward, California, licensed in California (93206) and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1639053010
Entity TypeIndividualFemale
Primary Taxonomy183500000X
Provider Legal NameDR. MAY CHAWCredential: PHARMD
Location Address2499 WHIPPLE RDHayward, CA 94544-7807
Mailing Address2499 Whipple RdHayward, CA 94544-7807
Sole ProprietorNo
Enumeration DateJuly 31, 2025
Last NPPES UpdateSeptember 25, 2026
NPPES CertifiedSeptember 25, 2026
✔ NPI 1639053010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License✔ Licensed in CA · 93206
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
2499 WHIPPLE RD, Hayward, CA 94544

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
2499 WHIPPLE RD
HAYWARD, CA 94544
Pharmacist
2499 WHIPPLE RD, T-1472
HAYWARD, CA 94544
Pharmacist
2499 WHIPPLE RD
HAYWARD, CA 94544
Pharmacist
2499 WHIPPLE RD, T-1472
HAYWARD, CA 94544
Pharmacy
2499 WHIPPLE RD
HAYWARD, CA 94544

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is May Chaw's NPI number?

The NPI number for May Chaw is 1639053010. It was assigned to this individual provider in the NPPES registry on July 31, 2025.

Where is May Chaw located?

May Chaw practices at 2499 Whipple Rd, Hayward, CA 94544. The listed phone number is (510) 471-9266.

What is May Chaw's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for May Chaw was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.