WESTWOOD, N.J. — The Hampshire Companies has acquired a 33,000-square-foot medical office building located at 400 Old Hook Rd. in Westwood. Situated on 1.23 acres, the facility was 80 percent occupied at the time of closing. The building is located less than a mile from the former Pascack Valley Hospital, which is currently being converted into a medical school. Cushman & Wakefield represented Hampshire in the transaction. The property was acquired from Life Key Ventures on behalf of Hampshire Partners Fund VII, Hampshire’s institutional real estate investment fund. The acquisition price was not disclosed.