<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>AEGERION PHARMACEUTICALS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>00767E102</cusip>
			<value>18970</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ALIGN TECHNOLOGY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>016255101</cusip>
			<value>31355</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ALMOST FAMILY INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>020409108</cusip>
			<value>49888</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1250000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1250000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>AMEDISYS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>023436108</cusip>
			<value>158920</value>
			<shrsOrPrnAmt>
				<sshPrnamt>4000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>4000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>BIOSCRIP INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>09069N108</cusip>
			<value>3630</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>COMMUNITY HEALTH SYS INC NEW</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>203668108</cusip>
			<value>62970</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>GILEAD SCIENCES INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>375558103</cusip>
			<value>58540</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>HEALTHWAYS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>422245100</cusip>
			<value>46123</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3850000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>3850000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>IMS HEALTH HLDGS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>44970B109</cusip>
			<value>30650</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>KINDRED HEALTHCARE INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>494580103</cusip>
			<value>101450</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>5000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>LABORATORY CORP AMER HLDGS</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>50540R409</cusip>
			<value>30305</value>
			<shrsOrPrnAmt>
				<sshPrnamt>250000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>250000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>MAGELLAN HEALTH INC</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>559079207</cusip>
			<value>35035</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>MYLAN N V</nameOfIssuer>
			<titleOfClass>SHS EURO</titleOfClass>
			<cusip>N59465109</cusip>
			<value>67860</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ORTHOFIX INTL N V</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>N6748L102</cusip>
			<value>49680</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>QUALITY SYS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>747582104</cusip>
			<value>16570</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>1000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>QUEST DIAGNOSTICS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>74834L100</cusip>
			<value>36260</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SELECT MED HLDGS CORP</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>81619Q105</cusip>
			<value>210600</value>
			<shrsOrPrnAmt>
				<sshPrnamt>13000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>13000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ST JUDE MED INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>790849103</cusip>
			<value>36535</value>
			<shrsOrPrnAmt>
				<sshPrnamt>500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SUPERVALU INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>868536103</cusip>
			<value>101125</value>
			<shrsOrPrnAmt>
				<sshPrnamt>12500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>12500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>SYNERON MEDICAL LTD</nameOfIssuer>
			<titleOfClass>ORD SHS</titleOfClass>
			<cusip>M87245102</cusip>
			<value>31860</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>3000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>TEVA PHARMACEUTICAL INDS LTD</nameOfIssuer>
			<titleOfClass>ADR</titleOfClass>
			<cusip>881624209</cusip>
			<value>177300</value>
			<shrsOrPrnAmt>
				<sshPrnamt>3000000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>3000000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>VIVUS INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>928551100</cusip>
			<value>29500</value>
			<shrsOrPrnAmt>
				<sshPrnamt>12500000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>SOLE</investmentDiscretion>
			<votingAuthority>
				<Sole>12500000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
