Patient Portal. If you do not have a login, please call us at: Lansing/Marshall- 517-487-0128. Mt. Pleasant – 989-773-0096. Lansing Office. ... Messenger Dermatology is a Division of Compass Health. Learn more at MyCompassHealth.org . Lansing Office. 1515 Lake Lansing Road Lansing, MI 48912 Phone: (517) 487-0128..