AdventHealth Specialty Care at Ottawa Physicians & Surgeons AdventHealth Specialty Care at Ottawa Visit Website 1428 S Main St Ste 4 Fr. Co. Annex Ottawa, KS 66067 (785) 229-8882 (785) 242-0211 (fax) Hours: 8:00am - 4:30pm, Monday - Friday Rep Info Whom to Contact Takeshi Seto