-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MNLbq2kQZsO6eB0rClHGX0h35FdnI5dEBpZsbGITKpA5KMES6TiGWCKAVIoY9Al0
 UarvV9R+dHSj79EWj5wLOg==

<SEC-DOCUMENT>0001144204-07-040897.txt : 20070807
<SEC-HEADER>0001144204-07-040897.hdr.sgml : 20070807
<ACCEPTANCE-DATETIME>20070807200508
ACCESSION NUMBER:		0001144204-07-040897
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070803
FILED AS OF DATE:		20070807
DATE AS OF CHANGE:		20070807

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEALTHCARE ACQUISITION CORP
		CENTRAL INDEX KEY:			0001326190
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				202726770
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2116 FINANCIAL CENTER
		STREET 2:		666 WALNUT STREET
		CITY:			DES MOINES
		STATE:			IA
		ZIP:			50309
		BUSINESS PHONE:		515-244-5746

	MAIL ADDRESS:	
		STREET 1:		2116 FINANCIAL CENTER
		STREET 2:		666 WALNUT STREET
		CITY:			DES MOINES
		STATE:			IA
		ZIP:			50309

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schellhammer Wayne A
		CENTRAL INDEX KEY:			0001334950

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32587
		FILM NUMBER:		071033204

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		972-308-6830

	MAIL ADDRESS:	
		STREET 1:		AMERICAN CARESOURCE HOLDINGS, INC.
		STREET 2:		5429 LYNDON B. JOHNSON FREEWAY, STE 700
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v083426_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-08-03</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001326190</issuerCik>
        <issuerName>HEALTHCARE ACQUISITION CORP</issuerName>
        <issuerTradingSymbol>HAQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001334950</rptOwnerCik>
            <rptOwnerName>Schellhammer Wayne A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>AMERICAN CARESOURCE HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>8080 TRISTAR DRIVE</rptOwnerStreet2>
            <rptOwnerCity>IRVING</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75063</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former Director</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/Wayne A. Schellhammer</signatureName>
        <signatureDate>2007-08-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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