Colusa Medical Center New Specialties are: Orthopedic Surgeon- Dr. Lee Tocchi Dr. George Hayes Cardiologist- Dr. Devinderjit "DJ" Singh ALL CLINICS ACCEPTING NEW PATIENTS Colusa Health Clinic 530-458-4162 Arbuckle Health Clinic 530-476-2440 Williams Health Clinic 530-473-5641 Gastroenterologist- Dr. G. Singh General Surgeon- Dr. Eldo Frezza 151 E. Webster Colusa, CA 95932 530-458-4162