# (Randall J. Lewis, M.D., Anthony S. Unger, M.D., and Richard Barth, M.D., P.C.

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: (Randall J. Lewis, M.D., Anthony S. Unger, M.D., and Richard Barth, M.D., P.C.
- Alternative and DBA names: Randall J. Lewis, M.D. and Anthony S. Unger, M.D., P.C
- Entity type: C corporation
- Jurisdiction count: 1

## All known addresses

- 2021 K St NW, Washington, DC 20006 (listed in Maryland)

## Registered states

- [Maryland](https://index.baselayer.com/md/61d7649624c9b4ba): Foreign registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/61d7649624c9b4ba)