NPI Portal NPI Lookup & Verification

Dien Ai Du, PHARM.D.

Dien Ai Du is a Pharmacist provider (Pharmacist) practicing in Oakland, CA, registered in the NPPES registry with NPI 1962586255 since 2006. The credential PHARMD stands for Doctor of Pharmacy.

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NPI 1962586255
Entity type Individual (Type 1)
Name Dien Ai Du
Credential PHARM.D.
Sex Female
Practice address 280 W MACARTHUR BLVD, Oakland, CA, 94611
Phone 5107527124
Fax 5107527684
Enumeration date 2006-10-24
Last updated in NPPES 2007-07-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
183500000X Pharmacist Primary 52057 CA

PHARMD — Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD credential

Copy-ready billing details
Provider: Dien Du, PHARM.D.
NPI: 1962586255
Taxonomy: 183500000X (Pharmacist)
Address: 280 W MACARTHUR BLVD, Oakland, CA, 94611

Other providers at this practice address

NPI Name Type Specialty Location
1134113236 Kathleen Weston Individual Psychiatric/Mental Health Nurse Practitioner Oakland, CA
1376539148 Judith Gottlieb Individual Adult Health Nurse Practitioner Oakland, CA
1396723532 Karen Ahn Individual Genetic Counselor (M.S.) Oakland, CA
1669448940 Matthew Cirigliano Individual Anesthesiology Physician Oakland, CA
1477507911 Tina Raine-Bennett Individual Obstetrics & Gynecology Physician Oakland, CA
1427168335 Janet Nilsen Individual Psychiatric/Mental Health Nurse Practitioner Oakland, CA
1972613404 Linda Franz Individual Obstetrics & Gynecology Nurse Practitioner Oakland, CA
1891893046 Kai-Man Lee Individual Personal Emergency Response Attendant Oakland, CA

Verify this record

Cross-check NPI 1962586255 against the authoritative CMS record: view Dien Ai Du on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Dien Du practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dien Du?
The National Provider Identifier (NPI) for Dien Du is 1962586255, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.