All Employees: Health Care: Ambulatory Health Care Services in Massachusetts was 188.80000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Health Care: Ambulatory Health Care Services in Massachusetts reached a record high of 191.00000 in January of 2018 and a record low of 96.50000 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Health Care: Ambulatory Health Care Services in Massachusetts - last updated from the United States Federal Reserve on April of 2024.