OPEN DOOR Community Health Centers, also known as ODCHC, is a health care system that provides medical care and health education to the residents of Humboldt and Del Norte counties in California. It provides immunization, pediatric, family planning, geriatric, dental, mental health and HIV/AIDS care services. OPEN DOOR Community Health Centers specializes in alternative medicine, family practice, womens health, emergency care and prenatal services. The system offers sexually transmitted disease testing, nutritional counseling, and smoking cessation and health education services. OPEN DOOR Community Health Centers maintains community health clinics in Eureka, Arcata, McKinleyville and Crescent City, Calif.