Real Gross Domestic Product: Ambulatory Health Care Services (NAICS 621) in Maryland was 16283.60000 Mil. of Chn. 2009 $ in January of 2022, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: Ambulatory Health Care Services (NAICS 621) in Maryland reached a record high of 16283.60000 in January of 2022 and a record low of 6581.40000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Real Gross Domestic Product: Ambulatory Health Care Services (NAICS 621) in Maryland - last updated from the United States Federal Reserve on March of 2024.