Internal Medicine Providers Irene Djuanda, MD Hospital-Based Physicians Caribou Health Center Phone: (207) 498-2356 Fax: (207) 492-6260 Sherri Dumont, DO Internal Medicine Caribou Health Center Phone: (207) 498-2356 Fax: (207) 492-6260 Jeffrey Hoeksma, MD Hospital-Based Physicians Caribou Health Center Phone: (207) 498-2356 Fax: (207) 492-6260