<SEC-DOCUMENT>0000927066-18-000124.txt : 20180605
<SEC-HEADER>0000927066-18-000124.hdr.sgml : 20180605
<ACCEPTANCE-DATETIME>20180605201833
ACCESSION NUMBER:		0000927066-18-000124
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180602
FILED AS OF DATE:		20180605
DATE AS OF CHANGE:		20180605

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ZUMWALT LEANNE M
		CENTRAL INDEX KEY:			0001204946

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14106
		FILM NUMBER:		18882726

	MAIL ADDRESS:	
		STREET 1:		C/O THE ADVISORY BOARD CO WATERGATGE
		STREET 2:		600 NEW HAMPSHIRE AVE NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20037

	FORMER NAME:	
		FORMER CONFORMED NAME:	ZURNWALT LEANNE M
		DATE OF NAME CHANGE:	20021109

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DAVITA INC.
		CENTRAL INDEX KEY:			0000927066
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISC HEALTH & ALLIED SERVICES, NEC [8090]
		IRS NUMBER:				510354549
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2000 16TH STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		310-536-2668

	MAIL ADDRESS:	
		STREET 1:		2000 16TH STREET
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DAVITA HEALTHCARE PARTNERS INC.
		DATE OF NAME CHANGE:	20121107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DAVITA INC
		DATE OF NAME CHANGE:	20001005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TOTAL RENAL CARE HOLDINGS INC
		DATE OF NAME CHANGE:	19950524
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_152824429704371.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-06-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000927066</issuerCik>
        <issuerName>DAVITA INC.</issuerName>
        <issuerTradingSymbol>DVA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001204946</rptOwnerCik>
            <rptOwnerName>ZUMWALT LEANNE M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O DAVITA INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2000 16TH STREET</rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Grp VP, Purch &amp; Public Affairs</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-06-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>710</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>66.91</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5878</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares withheld from issuance to satisfy tax withholding obligations in connection with the vesting of 1,492 shares of common stock underlying the restricted stock units granted to the Reporting Person on 6/2/2015. The remaining 1,492 shares of common stock underlying the restricted stock units granted to the Reporting Person on 6/2/2015 will vest on 6/2/2019, subject to continued service through the vesting date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Arturo Sida, Attorney-in-Fact</signatureName>
        <signatureDate>2018-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
