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    ACCESSION NUMBER:		0001193125-19-092753
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20190516
    FILED AS OF DATE:		20190329
    DATE AS OF CHANGE:		20190329
    EFFECTIVENESS DATE:		20190329

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MEDNAX, INC.
    		CENTRAL INDEX KEY:			0000893949
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HOSPITALS [8060]
    		IRS NUMBER:				263667538
    		STATE OF INCORPORATION:			FL
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12111
    		FILM NUMBER:		19716867

    	BUSINESS ADDRESS:
    		STREET 1:		1301 CONCORD TERRACE
    		CITY:			SUNRISE
    		STATE:			FL
    		ZIP:			33323
    		BUSINESS PHONE:		9543840175

    	MAIL ADDRESS:
    		STREET 1:		1301 CONCORD TERRACE
    		CITY:			SUNRISE
    		STATE:			FL
    		ZIP:			33323

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PEDIATRIX MEDICAL GROUP INC
    		DATE OF NAME CHANGE:	19950801
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