Nextmd Customer Support Health. Health Details: NextMD Patient Portal.Health Details: Customer Support If you have any questions or need additional help, please contact the TideLine Clinic. 320 Bennett Street Wrangell, AK 99929 (907) 874-4700 Our Hours Are: Monday Through Friday 8 a.m. to 4 p.m. Extended hours: Mondays and Thursdays until 7:00 pm. › Verified 2 days ago nextgen patient portal ....