# MR. DANIEL O'BRIEN

> 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:** 1548659980
- **Gender:** Man
- **Credential:** M.D.

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 204F00000X | Transplant Surgery Physician | 82286 | WI | Yes |
| 204F00000X | Transplant Surgery Physician | A173264 | CA | — |
| 208600000X | Surgery Physician | 036-165946 | IL | — |
| 208600000X | Surgery Physician | A173264 | CA | — |
| 390200000X | Student in an Organized Health Care Education/Training Program | 11018992A | IN | — |

## Other

- **Enumeration date:** 01/22/2015
- **Last updated:** 10/19/2023