This patient portal offers convenient 24/7 online access to your Healthcare Summary (under the Documentation tab) . When you register for your procedure at LRH you will be asked for an email address. ... Littleton, NH 03561 (603) 444-9000 (603) 444-5328 (TTY/TTD) (800) 464-7731. Facebook Linkedin Youtube Instagram. About LRH; Administration ....