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

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-08-20</periodOfReport>

    <issuer>
        <issuerCik>0000885978</issuerCik>
        <issuerName>U S PHYSICAL THERAPY INC /NV</issuerName>
        <issuerTradingSymbol>USPH</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001871391</rptOwnerCik>
            <rptOwnerName>Williams Eric Joseph</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>1300 W SAM HOUSTON PKWY S</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77042</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>President and COO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-08-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>714</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>78.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39617</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person surrendered shares to the issuer to satisfy applicable tax withholding obligations upon vesting.</footnote>
        <footnote id="F2">Includes 24,402 shares which were granted as restricted stock pursuant to the Company's Amended and Restated 2003 Stock Incentive Plan. Restrictions lapse as follows: 2,512 shares will vest on November 20, 2026, 2,520 shares vest on March 6, 2027, 2,200 shares vest on each of May 20, 2027, August 20, 2027, and November 20, 2027, 2,204 shares vest on March 6, 2028, 1,694 shares vest on each of May 20, 2028, August 20, 2028, and November 20, 2028, 1,716 shares will vest on March 6, 2029, 936 shares vest on each of May 20, 2029, August 20, 2029 and November 20, 2029, and 960 shares will vest on March 6, 2030. Vesting is subject to his continued employment with the Company through each of the applicable vesting dates.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kate Venturina, as attorney-in-fact</signatureName>
        <signatureDate>2026-08-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
