All Employees: Health Care: Ambulatory Health Care Services in Oklahoma was 83.70000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Health Care: Ambulatory Health Care Services in Oklahoma reached a record high of 83.70000 in January of 2023 and a record low of 28.10000 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 Oklahoma - last updated from the United States Federal Reserve on March of 2024.