Locations of Primary Care Physicians

This layer displays the locations of all primary care physicians with a CMS National Provider Identifier (NPI). Primary care physicians are those MDs or DOs specializing in family practice, general practice, pediatric medicine, or internal medicine. Data are from the Centers for Medicare and Medicaid Services (CMS) August 2019 National Provider Identifier (NPI) downloadable file.

Locations of Addiction/Substance Abuse Providers

This layer displays the locations of all addiction or substance abuse providers with a CMS National Provider Identifier (NPI). Addiction or substance abuse providers include MDs, DOs, and other credentialed professionals specializing substance abuse treatment, rehabilitation, addiction medicine, or providing methadone. Data are from the Centers for Medicare and Medicaid Services (CMS) August 2019 National…

Air Quality System Sites

This layer displays the locations of air quality monitoring stations in the United States. The Air Quality System (AQS) contains ambient air pollution data collected by EPA, state, Local, and tribal air pollution control agencies from thousands of monitoring stations. AQS also contains meteorological data, descriptive information about each monitoring station (including its geographic location…

Natural Gas Pipelines

The U.S. natural gas pipeline network is a highly integrated network that moves natural gas throughout the continental United States. The pipeline network has about 3 million miles of mainline and other pipelines that link natural gas production areas and storage facilities with consumers. In 2017, this natural gas transportation network delivered about 25 trillion…