NPI Portal NPI Lookup & Verification

Dr. Joyce Chi Yan Yu, O.D.

Dr. Joyce Chi Yan Yu is a Optometrist provider (Optometrist) practicing in Berkeley, CA, registered in the NPPES registry with NPI 1073788147 since 2008. The credential OD stands for Doctor of Optometry.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1073788147
Entity type Individual (Type 1)
Name Dr. Joyce Chi Yan Yu
Credential O.D.
Sex Female
Practice address Berkeley, CA, 94720
Phone 5106422020
Enumeration date 2008-04-29
Last updated in NPPES 2008-04-29

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
152W00000X Optometrist Primary 13450 CA

OD — Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Copy-ready billing details
Provider: Joyce Yu, O.D.
NPI: 1073788147
Taxonomy: 152W00000X (Optometrist)
Address: Berkeley, CA, 94720

Other providers at this practice address

NPI Name Type Specialty Location
1023156965 John Corzine Individual Corneal and Contact Management Optometrist Berkeley, CA
1205970670 Sara Frane Individual Optometrist Berkeley, CA
1003941766 Carl Jacobsen Individual Optometrist Berkeley, CA
1528252384 Kuniyoshi Kanai Individual Optometrist Berkeley, CA
1578792891 Kelly Kao Individual Vision Therapy Optometrist Berkeley, CA
1326328790 Melissa Valdellon Individual Optometrist Berkeley, CA
1932654043 Tara Pahlevan-Chaleshtari Individual Optometrist Berkeley, CA
1780163808 Christine Yoo Individual Optometrist Berkeley, CA

Verify this record

Cross-check NPI 1073788147 against the authoritative CMS record: view Dr. Joyce Chi Yan Yu 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 Joyce Yu practice?
The practice location on file with NPPES is in Berkeley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Joyce Yu?
The National Provider Identifier (NPI) for Joyce Yu is 1073788147, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-04-29.