KFF Health News Feb 2 2026 When her doctor died suddenly in August, Tammy MacDonald found herself among the roughly 17% of adults in America without a primary care physician. MacDonald wanted to find a new doctor right away. She needed refills for her blood pressure medications and wanted to book a follow-up appointment after a breast cancer scare. She called 10 primary care practices near her home in Westwood, Massachusetts. None of the doctors, nurse practitioners, or physician assistants was