Gross Domestic Product: Ambulatory Health Care Services (NAICS 621) in Maryland was 17469.40000 Mil. of $ in January of 2022, according to the United States Federal Reserve. Historically, Gross Domestic Product: Ambulatory Health Care Services (NAICS 621) in Maryland reached a record high of 17469.40000 in January of 2022 and a record low of 4767.20000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Gross Domestic Product: Ambulatory Health Care Services (NAICS 621) in Maryland - last updated from the United States Federal Reserve on March of 2024.