# MR. DAVID JOSEPH CORNELL

> 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:** Yes

## Provider details

- **NPI number:** 1952433039
- **Gender:** Man
- **Credential:** LMHC, SUDP

## Taxonomy

| Code | Description | License number | State | Primary |
| --- | --- | --- | --- | --- |
| 101YA0400X | Addiction (Substance Use Disorder) Counselor | CDP.CP.61105100 | WA | — |
| 101YA0400X | Addiction (Substance Use Disorder) Counselor | CO60923282 | WA | — |
| 101YA0400X | Addiction (Substance Use Disorder) Counselor | CP61105100 | WA | — |
| 101YM0800X | Mental Health Counselor | LH00010656 | WA | Yes |
| 101YM0800X | Mental Health Counselor | MHC.LH.00010656 | WA | Yes |

## Other

- **Enumeration date:** 03/12/2007
- **Last updated:** 07/29/2026