Category: Health Care Member Directory Filter Sort by: RandomName (A-Z) Mackinaw City Medical Clinic 450 South Nicolet Street, Mackinaw City, Michigan 49770 (231) 436-9900 Comfort Keepers 1937 Harbor-Petoskey Road, Petoskey, Michigan 49770 (866) 929-9044 Pinecrest Village At Mackinaw 450 South Nicolet Street, Mackinaw City, Michigan 49770 (231) 635-1174