NPI 1538859269 · live from the CMS NPI Registry
John Joseph Clark, MD
Psychiatry & Neurology, Psychiatry in Washington, DC. National Provider Identifier 1538859269, active.
NPI record
| NPI | 1538859269 Type 1 · individual |
|---|---|
| Status | Active |
| Primary specialty | Psychiatry & Neurology, Psychiatry 2084P0800X |
| Practice location | 2120 L St Nw Ste 600, Washington, DC 20037 |
| Practice phone | 202-741-2900 |
| Enumerated | May 8, 2023 |
| Last updated | July 1, 2025 |
| Sole proprietor | Yes |
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Psychiatry & Neurology, Psychiatry primary | 2084P0800X | MD600004346 (DC) |
Source: CMS NPPES NPI Registry. NPI data is self-reported by providers; license numbers are not verified by CMS.