Diana Chen, MD, MBA
Diana Chen, MD, MBA is an addiction medicine (family medicine) physician practicing in Oakland, CA. The NPI was issued on May 25, 2020, and the record was last updated in NPPES on July 30, 2026. The record lists 2 taxonomy codes. 2 additional practice locations are listed.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Addiction Medicine (Family Medicine) Physician Primary | 207QA0401X | A188341 (CA) |
| Family Medicine Physician | 207Q00000X | A188341 (CA) |
Practice locations
Local context
Active NPPES records list 23 providers with addiction medicine (family medicine) physician as the primary taxonomy within 25 miles of this practice location's ZIP code, 6 of them within 10 miles.
The same primary taxonomy is listed by 183 in California and 1,636 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. Diana Chen
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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