National Naval Medical Center Bethesda (NNMC-Bethesda) in Bethesda, Maryland is the U.S. Navy's primary medical treatment facility in the United States. It is colloquially referred to as the Bethesda Naval Hospital.
- The X-Files
- "Shadows": The corpses of the two terrorists were taken here for examination.
- "Lazarus": Following a shootout at the Maryland Marine Bank, FBI agent Jack Willis and bank-robber Warren James Dupre were taken here for treatment.
- "Dod Kalm": U.S. Navy lieutenant Richard Harper of the warship USS Ardent was treated for accelerated ageing here. Later, Mulder and Scully were also treated for the same condition.
- The X-Files: Fight the Future: Mulder and Scully went here to secretly autopsy a dead fireman's body who they suspected was killed by an alien virus. When the military discovered they did not have clearance to be there, they sent a military sentry and DoD Police officers to arrest them. Luckily, they avoided detection and made it out safely.
- "Owls": For the autopsy on Johnston