<SEC-DOCUMENT>0000921895-20-000456-index.html : 20200214
<SEC-HEADER>0000921895-20-000456.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200213210016
ACCESSION NUMBER:		0000921895-20-000456
CONFORMED SUBMISSION TYPE:	DFAN14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200213
EFFECTIVENESS DATE:		20200214

SUBJECT COMPANY:	

	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:		DFAN14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12111
		FILM NUMBER:		20613201

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Starboard Value LP
		CENTRAL INDEX KEY:			0001517137
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		DFAN14A

	BUSINESS ADDRESS:	
		STREET 1:		777 THIRD AVENUE, 18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		(212) 845-7977

	MAIL ADDRESS:	
		STREET 1:		777 THIRD AVENUE, 18TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>DFAN14A
<SEQUENCE>1
<FILENAME>dfan14a06297280_02132020.htm
<TEXT>
Document 1 - file: dfan14a06297280_02132020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>DFAN14A
<SEQUENCE>2
<FILENAME>ex1todfan14a06297280_021320.pdf
<DESCRIPTION>EX 1 - THE SCHEDULE 13D
<TEXT>
Document 2 - file: ex1todfan14a06297280_021320.pdf

</DOCUMENT>
</SEC-DOCUMENT>