# BRIAN OLIVER WARNECKE

> Is this information incorrect? This page shows public data from NPPES. Update your record in NPPES and this page will update automatically within 7 days. [Update your NPPES record](https://nppes.cms.hhs.gov)

- **Entity:** Individual
- **Status:** Active
- **Sole proprietor:** No

## Provider details

- **NPI number:** 1356804421
- **Gender:** Man
- **Credential:** D.O.

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 207R00000X | Internal Medicine Physician | 20A20086 | CA | — |
| 207RH0003X | Hematology & Oncology Physician | 20A20086 | CA | Yes |

## Other

- **Enumeration date:** 04/07/2019
- **Last updated:** 09/04/2025