This layer displays the locations of all primary care physicians who accept Medicare. 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) Physician and Other Supplier 2012 Public Use File (PUF), which was released in April 2014, and from the 2013 CMS Physician Compare National Downloadable File.

This layer displays the locations of all primary care physicians who accept Medicare. 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) Physician and Other Supplier 2015 Public Use File (PUF), released in June 2017.

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.

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.

This layer displays the locations of all dental health care health care professional providing primary care with a CMS National Provider Identifier (NPI). Data are from the Centers for Medicare and Medicaid Services (CMS) February 2020 National Provider Identifier (NPI) downloadable file.