All Employees: Education and Health Services: Ambulatory Health Care Services in Oklahoma was 87.10577 Thous. of Persons in April of 2024, according to the United States Federal Reserve. Historically, All Employees: Education and Health Services: Ambulatory Health Care Services in Oklahoma reached a record high of 87.10577 in April of 2024 and a record low of 26.75057 in January of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Education and Health Services: Ambulatory Health Care Services in Oklahoma - last updated from the United States Federal Reserve on May of 2024.