# DIANA C. YUEN, O.D., Oakland CA: Optometrist (NPI 1033300447)

**Practice Launch & Vendor Spend Score:** 35/100

| Field | Value |
|---|---|
| NPI | 1033300447 |
| Practice | DIANA C. YUEN, O.D. |
| Specialty (taxonomy) | Optometrist |
| Address | 3330 Grand Ave |
| City | Oakland |
| State | CA |
| ZIP | 94610 |
| Practice phone | 510-832-3162 |
| Authorized official | Dr. DIANA YUEN O.D. |
| Official title | Owner |
| Enumerated | 2007-08-09 |
| Last updated | 2007-08-09 |
| Status | Active |

## Why this score
- Established practice (enumerated 2007-08-09).
- Optometry practices use specialized equipment and software, so vendor spend tends to be higher.
- Practice phone listed.

Source: CMS NPPES NPI Registry (U.S. Centers for Medicare & Medicaid Services) (https://npiregistry.cms.hhs.gov/provider-view/1033300447). Last refreshed: 2026-11-03T01:38:44.844Z.
Data from the public CMS NPPES NPI Registry, which practices maintain themselves and may be out of date. Informational only; respect do-not-call and anti-spam laws when contacting practices.