Gretchen Anette Barone, NP 100 Mercy WaySuite 540Joplin, MO, 64804Mercy Clinic Gastroenterology - Joplin Suite 540 View Phone 417-556-8455 Fax: 417-556-8323 View Website Experience & Reliability Click to schedule an appointment About Photos & Videos Reservation Send to My Email Send to My Phone Print this Page