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

HANNAH LIU OD
NPI 1831042779
Optometrist in San Leandro, CA

Active since February 19, 2026
1900 DAVIS ST, SAN LEANDRO, CA 94577(510) 632-5210 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Hannah Liu Od NPPES

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

HANNAH LIU OD (NPI 1831042779) is an individual optometrist in San Leandro, California, licensed in California (36185) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1831042779
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameHANNAH LIUCredential: OD
Location Address1900 DAVIS STSan Leandro, CA 94577-1209
Mailing Address1900 Davis StSan Leandro, CA 94577-1209 · (510) 632-5210
Sole ProprietorYes
Enumeration DateFebruary 19, 2026
Last NPPES UpdateSeptember 10, 2026
NPPES CertifiedSeptember 10, 2026
✔ NPI 1831042779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 36185
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1900 DAVIS ST, San Leandro, CA 94577

Other Providers at the Same Location NPPES 11

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

Optometrist
1900 DAVIS ST
SAN LEANDRO, CA 94577
Pharmacist
1900 DAVIS ST
SAN LEANDRO, CA 94577
Optometrist
1900 DAVIS ST
SAN LEANDRO, CA 94577
Pharmacist
1900 DAVIS ST
SAN LEANDRO, CA 94577
Eyewear Supplier
1900 DAVIS ST
SAN LEANDRO, CA 94577
Pharmacy (Community/Retail Pharmacy)
1900 DAVIS ST
SAN LEANDRO, CA 94577
Pharmacist
1900 DAVIS ST
SAN LEANDRO, CA 94577
Pharmacist
1900 DAVIS ST
SAN LEANDRO, CA 94577

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 Hannah Liu's NPI number?

The NPI number for Hannah Liu is 1831042779. It was assigned to this individual provider in the NPPES registry on February 19, 2026.

Where is Hannah Liu located?

Hannah Liu practices at 1900 Davis St, San Leandro, CA 94577. The listed phone number is (510) 632-5210.

What is Hannah Liu's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

When was this NPI record last updated?

The NPPES record for Hannah Liu was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.