Dartmouth-Hitchcock Concord 253 Pleasant Street Concord, NH 03301 Phone: (603) 229-5145 Fax: (603) 229-5146 Dartmouth-Hitchcock Medical Center (Lebanon) One Medical Center Drive Lebanon, NH 03756 Phone: (603) 650-7110 Fax: (603) 727-7869 Dartmouth-Hitchcock Manchester 100 Hitchcock Way Manchester, NH 03104 Phone: (603) 695-2820 Fax: (603) 676-4290.