I am sure there are more landmines hidden in the Senate Bill, but the Heritage Foundation has parsed an implementation schedule from the most recent bill:
2010: Physician Medicare payments decrease 21% effective March 1, 2010
2011: "Annual Fee" tax on health insurance, allocated according to share of total premiums. Begins at $2 billion in 2011, then increases to $4 billion in 2012, $7 billion in 2013, $9 billion in the years 2014, 2015, and 2016, and eventually $10 billion for 2017 and every year thereafter. Two insurers in Nebraska and one in Michigan are exempt from this tax.
2012: Medicare payment penalties for hospitals with the highest readmission rates for selected conditions.
2013: Medicare tax increased from 2.9% to 3.8% for incomes over $250,000 (joint filers) or $200,000 (all others). (This is stated as an increase of 0.9 percentage points, to only the employee's share of the FICA tax.)
2014: Individual mandate begins: Tax penalties for not having insurance begin at $95 or 0.5% of income, whichever is higher, rising to $495 or 1% of income in 2015 and $750 or 2% of income thereafter (indexed for inflation after 2016). These penalties are per adult, half that amount per child, to a maximum of three times the per-adult amount per family. The penalty is capped at the national average premium for the "bronze" plan.
2015: Establishment of Independent Medicare Advisory Board (IMAB) to recommend cuts in Medicare benefits; these cuts will go into effect automatically unless Congress passes, and the President signs, an override bill.
2016: Individual mandate penalty rises to $750 per adult ($375 per child), maximum $2,250 per family, or 2% of family income, whichever is higher (capped at the national average premium for the "bronze" plan). After 2016, the penalty will be increased each year to adjust for inflation.
There is a link in the original to a more detailed timeline. There is a lot more that is left out of this brief timeline, see it here.