Located in Everett WA, A-One Medical Services, Inc. provides in-home, private duty nursing, and other essential home health care services across Snohomish, King, Whatcom and Skagit Counties, as well as areas of Pierce and Chelan Counties. Nurse-owned and operated, A-One has been a provider of home care for children, adults and elders since 1984. We provide expert care for: Medically fragile children with ongoing assessment and care management needs; Pediatrics is our specialty! Adults with high-tech care needs; Elders with acute or rehabilitation care needs.