If you are coming by Metro, the Shaw-Howard University Metro stop is the closest option. Follow the signs pointing toward Howard University to exit. Upon exiting the station walk straight up 7th St. After crossing Florida Avenue, you should see Howard University Hospital to your right. Continue about 4 blocks past the hospital til you reach Howard Place NW.
There is metered parking in the area, but make sure you pay to avoid tickets. Unless its Sunday then the parking is free.