<SEC-DOCUMENT>0001562180-23-004858.txt : 20230605
<SEC-HEADER>0001562180-23-004858.hdr.sgml : 20230605
<ACCEPTANCE-DATETIME>20230605193146
ACCESSION NUMBER:		0001562180-23-004858
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230601
FILED AS OF DATE:		20230605
DATE AS OF CHANGE:		20230605

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Alger Jason
		CENTRAL INDEX KEY:			0001839111

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38993
		FILM NUMBER:		23994512

	MAIL ADDRESS:	
		STREET 1:		C/O HEALTH CATALYST
		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>2023-06-01</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001839111</rptOwnerCik>
            <rptOwnerName>Alger Jason</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>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Chief Accounting Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-06-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1066.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.239</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>62438.00</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Issuer's Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a &quot;sell to cover&quot; transaction and does not represent a discretionary trade by the Reporting Person.</footnote>
        <footnote id="F2">Includes 8,181 shares held by the Reporting Person that were not previously reported due to an inadvertent administrative error.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Benjamin Landry, as Attorney-in-Fact</signatureName>
        <signatureDate>2023-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
