Providence St. Mary Medical Center 401 West Poplar Walla Walla, Washington 99362 RE: Certificate ofNeed Application #18-22 ... WA 98504-7852 Physical Address: Department of Health Certificate of Need Program 111 Israel Road SE Tumwater, WA 98501 . Robert Watilo, Providence St. Mary Medical Center Certificate of Need App #18-22 June 4, 2019 Page ....