You might find the following links useful for your professional activity:
The Official U.S. Government site for Medicare www.medicare.gov
Centers for Medicare and Medicaid Services (CMS) www.cms.com
Medicare Information and Resources www.medicare.org
U.S. Department of Health and Human Services www.hhs.gov
National Government Services (Medicare) www.ngsmedicare.com/wps/portal/ngsmedicare
New York State Medicaid (general info) www.health.ny.gov/health_care/medicaid
New York State Medicaid (for Providers) www.emedny.org
HealthCare (U.S. Government site by Department of Health) www.healthcare.govl
U.S. Social Security Administration www.ssa.gov
New York State Office for the Aging www.aging.ny.gov
HIPAA www.hipaa.com
OSHA www.osha.gov
OSHA 10 hours Training www.osha10hourtraining.com
U.S. Health Reform Bill 2009 www.opencongress.org/bill/111-h3200/text
Medicaid Change of Address www.emedny.org/info/ProviderEnrollment/Provider%20Maintenance%20Forms/6101-Address%20Change%20Form.pdf
Medicare Enrollment Form CMS855 www.emedny.org/info/ProviderEnrollment/Provider%20Maintenance%20Forms/6101-Address%20Change%20Form.pdf
Agency for Healthcare Research and Quality (US Department of Health) www.ahrq.gov
American Red Cross www.redcross.org
Health Finder (Health and Welness Info, US Office of Desease Prevention) www.healthfinder.gov
US National Library of Medicine www.nlm.nih.gov