www.MEDICARE.gov - A website that provides access to information about Medicare, Medicare health plans, contact information and publications, as well as rules and regulations for health care providers.
www.DOCBOARD.org - Search for any Texas physician by name or license number. This is a great site to locate a doctor in the Houston, Texas area.
www.CMS.HHS.gov - US federal agency which oversees Medicare. They provide information for health professionals, regional governments, and consumers.