Manhattan Eye, Ear and Throat Hospital
210 East 64th Street

Northwell bought this hospital 23 years ago. It specializes in ophthalmology, otolaryngology, plastic surgery, and fertility.
1399 Third Avenue

Northwell owns and is developing the east side of Third Avenue between76th-77th Streets. Construction started April 5, 2023. Projected completion date is January 2025. Plans for the building include offices and an out-patient cancer care center.
115 East 75th Street

This is currently an operating garage which Northwell has bought. They plan to convert it to office space.

122 East 76th Street

Currently a rental building

111 East 77th, 113 East 77th, and 115 East 77th Street

These buildings are on the north side of east 77th Street between Lexington and Park Avenue. Northwell intends to tear down these buildings and put up a building that will be connected to the hospital by an underground tunnel.

48 East 76th Street

This building is between Park and Madison on the south side of 76th Street.  It is currently being used as doctor's offices.