John Joseph Clark, MD
John Joseph Clark, MD is a Psychiatry Physician in Washington, District of Columbia. Practices as a sole proprietor. Licensed in District of Columbia.
- Licensed in
- DC
- In the registry since
- 2023
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
2120 L St NW Ste 600Washington, DC 20037-1540
Phone: (202) 741-2900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Psychiatry Physician (primary) | Taxonomy 2084P0800X · Licence MD600004346 (DC) |
|---|
Record details
| NPI number | 1538859269 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | May 8, 2023 |
| Last updated in NPPES | July 1, 2025 |
| Certification date | July 1, 2025 |
| Mailing address | 2120 L St Nw Ste 600, Washington, DC 20037-1540 |
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