The monti ransomware group listed Diablo Valley Oncology and Hematology Medical Group - Press Release on its data leak site on 2024-01-04. Country: US Sector: Healthcare Domains named: dvohmg.com Claim as published on the leak site: Diablo Valley Oncology provides comprehensive cancer care to patients by bringing together medical oncology, chemotherapy, radiation therapy, PET/CT and diagnostic imaging, research, and supportive care all in one convenient location.