<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2004-02-05</periodOfReport>

    <dateOfOriginalSubmission>2004-02-04</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001277708</rptOwnerCik>
            <rptOwnerName>KENNEDY R DALE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr VP Mgmt &amp; Sec.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.13</value>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-12-11</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-12-11</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>42000</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F4"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Does not reflect a reverse stock split of the issuer's common stock expected to be effective upon the closing of the issuer's initial public offering at a ratio to be determined in the discretion of the issuer's Board of Directors, provided that such ratio will not be less than one-for-two and will not exceed one-for six.</footnote>
        <footnote id="F2">The options vest in four equal annual installments beginning on December 11, 2004.</footnote>
        <footnote id="F3">The exercise price of the option will be equal to the offering price of the issuer's common stock in an initial public offering by the issuer if that occurs on or before June 11, 2004; otherwise, the exercise price of the option will be $3.13 per share (subject to adjustment to reflect the expected reverse stock split).</footnote>
        <footnote id="F4">The number of securities underlying derivative securities has been adjusted to reflect the correct number of derivative securities owned by the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ R. Dale Kennedy</signatureName>
        <signatureDate>2004-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>

