Otsego Memorial Hospital. 825 N. Center Ave. Gaylord, MI 49735 989-731-2100 Open in Map Learn More. Paul Oliver Memorial Hospital. 224 Park Ave. Frankfort, MI 49635 ... so you may be able to access information from multiple practices within the same patient portal. Cadillac Hospital.MyHealthInfo‧MyHealthRecord‧Patient Portal Apps‧Charlevoix Hospital‧Manistee Hospital‧Otsego Memorial Hospital.