-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IbHvvWmEugjm2gig3jPNfZ1siyTNA6RWsLXc8+BIdLIsDe4x1CiRYXgf3Ai3CmBc
 5YxI09vGD7i67FW0SMdfrw==

<SEC-DOCUMENT>0001209191-04-045917.txt : 20040928
<SEC-HEADER>0001209191-04-045917.hdr.sgml : 20040928
<ACCEPTANCE-DATETIME>20040928111911
ACCESSION NUMBER:		0001209191-04-045917
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040924
FILED AS OF DATE:		20040928
DATE AS OF CHANGE:		20040928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEBB WILLIAM V B
		CENTRAL INDEX KEY:			0001277711

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50574
		FILM NUMBER:		041048649

	BUSINESS ADDRESS:	
		STREET 1:		40 BURTON HILLS BLVD.
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37215

	FORMER NAME:	
		FORMER CONFORMED NAME:	WEB WILLIAM V B
		DATE OF NAME CHANGE:	20040128

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYMBION INC/TN
		CENTRAL INDEX KEY:			0001091312
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-OFFICES & CLINICS OF DOCTORS OF MEDICINE [8011]
		IRS NUMBER:				621625480
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		40 BURTON HILLS BOULEVARD
		STREET 2:		SUITE 500
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37215
		BUSINESS PHONE:		615-234-5900
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bna91097_bnaww.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-09-24</periodOfReport>

    <issuer>
        <issuerCik>0001091312</issuerCik>
        <issuerName>SYMBION INC/TN</issuerName>
        <issuerTradingSymbol>SMBI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001277711</rptOwnerCik>
            <rptOwnerName>WEBB WILLIAM V B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Development Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-09-24</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-09-24</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>101172</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ William V.B. Webb</signatureName>
        <signatureDate>2004-09-27</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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