<SEC-DOCUMENT>0001562180-23-005296.txt : 20230616
<SEC-HEADER>0001562180-23-005296.hdr.sgml : 20230616
<ACCEPTANCE-DATETIME>20230616171945
ACCESSION NUMBER:		0001562180-23-005296
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230614
FILED AS OF DATE:		20230616
DATE AS OF CHANGE:		20230616

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Larson-Green Julie
		CENTRAL INDEX KEY:			0001796545

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38993
		FILM NUMBER:		231022309

	MAIL ADDRESS:	
		STREET 1:		C/O HEALTH CATALYST, INC.
		STREET 2:		3165 MILLROCK DR., #400
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84121

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Health Catalyst, Inc.
		CENTRAL INDEX KEY:			0001636422
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				453337483
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10897 SOUTH RIVER FRONT PARKWAY, #300
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095
		BUSINESS PHONE:		801-708-6800

	MAIL ADDRESS:	
		STREET 1:		10897 SOUTH RIVER FRONT PARKWAY, #300
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HQC Holdings, Inc.
		DATE OF NAME CHANGE:	20150312
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-06-14</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001636422</issuerCik>
        <issuerName>Health Catalyst, Inc.</issuerName>
        <issuerTradingSymbol>HCAT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001796545</rptOwnerCik>
            <rptOwnerName>Larson-Green Julie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HEALTH CATALYST, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>10897 SOUTH RIVER FRONT PARKWAY, #300</rptOwnerStreet2>
            <rptOwnerCity>SOUTH JORDAN</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84095</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-06-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12505.00</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39295.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-06-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5136.00</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44431.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents an award of restricted stock units (&quot;RSUs&quot;) granted pursuant to the Issuer's 2019 Stock Option and Incentive Plan (the &quot;2019 Plan&quot;). Each RSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan, the RSUs will fully vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the date of the next Annual Meeting of the Issuer's Stockholders.</footnote>
        <footnote id="F2">Represents an award of RSUs granted pursuant to the 2019 Plan. Each RSU represents a contingent right to receive one share of the Issuer's common stock. Subject to the terms of the 2019 Plan, 25% of the RSUs will vest on each of September 1, 2023, December 1, 2023, March 1, 2024 and June 1, 2024.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Benjamin Landry, as Attorney-in-Fact</signatureName>
        <signatureDate>2023-06-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
