    <SEC-DOCUMENT>0000926326-21-000004-index.html : 20210201
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    <ACCEPTANCE-DATETIME>20210201160338
    ACCESSION NUMBER:		0000926326-21-000004
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		28
    CONFORMED PERIOD OF REPORT:	20210201
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210201
    DATE AS OF CHANGE:		20210201

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			OMNICELL, Inc
    		CENTRAL INDEX KEY:			0000926326
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPUTERS [3571]
    		IRS NUMBER:				943166458
    		STATE OF INCORPORATION:			CA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-33043
    		FILM NUMBER:		21576713

    	BUSINESS ADDRESS:
    		STREET 1:		590 E. MIDDLEFIELD ROAD
    		CITY:			MOUNTAIN VIEW
    		STATE:			CA
    		ZIP:			94043
    		BUSINESS PHONE:		6502516100

    	MAIL ADDRESS:
    		STREET 1:		590 E. MIDDLEFIELD ROAD
    		CITY:			MOUNTAIN VIEW
    		STATE:			CA
    		ZIP:			94043

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OMNICELL INC /CA/
    		DATE OF NAME CHANGE:	20010625

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OMNICELL COM /CA/
    		DATE OF NAME CHANGE:	20000419

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OMNICELL TECHNOLOGIES INC
    		DATE OF NAME CHANGE:	19960807
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>omcl-20210201.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: omcl-20210201.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991q4-20.htm
    <DESCRIPTION>EX-99.1
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    Document 2 - file: exhibit991q4-20.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit992_4q20earningsr.htm
    <DESCRIPTION>EX-99.2
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    Document 3 - file: exhibit992_4q20earningsr.htm

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    <FILENAME>exhibit992_4q20earningsr001.jpg
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    <FILENAME>exhibit992_4q20earningsr009.jpg
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    <FILENAME>exhibit992_4q20earningsr010.jpg
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    Document 18 - file: exhibit992_4q20earningsr010.jpg

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    <SEQUENCE>19
    <FILENAME>omnicell_logo-hzxgrnxrgbxm.jpg
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    Document 23 - file: Financial_Report.xlsx

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    <SEQUENCE>24
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    Document 24 - file: Show.js

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    <SEQUENCE>25
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    <SEQUENCE>26
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    <SEQUENCE>28
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    Document 28 - file: MetaLinks.json

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