VA Northern California Health Care System The Martinez Outpatient Clinic offers a full range of medical, surgical, mental health, and diagnostic outpatient services, including nuclear medicine, ultrasound, CT and MRI. The Center for Rehabilitation and Extended Care is located adjacent to the outpatient clinic. Parking Free on premises Security on site Public Transportation The County Connection - Route 28 Call 925-676-7500 for route information. West Cat - Route 30Z Call 510-724-7993 for route information. Tri Delta Transit - Delta Express 200 Call 925-754-4040 for route information.