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) March 2018 National Provider Identifier (NPI) downloadable file.

500 Cities Project Data by City and Census Tract, 2016

Map data topics include preventative health, risk behaviors, and clinical care. Estimates from the 500 Cities Project are available at the state, city, and census tract level. Data representing year 2016 were released in December, 2018. For more map layers from this series, search the Map Room for the terms 500 Cities.

Air Toxics – Non-Cancer Risk by Census Tract

Layer displays the modeled non-cancer risk associated with air toxics exposure. A hazard index (HI) of 1 or lower means air toxics are unlikely to cause adverse noncancer health effects over a lifetime of exposure.

Population Living Near a Major Grocery Store – Distance

This layer displays the percentage of population who live near a major supermarket or grocery store. Locations of retailers are based on a subset of locations from the April, 2019 USDA directory of SNAP-authorized retailers.