Exhibit 3.99

Delaware

The First State

I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMATION OF “DLP PARTNER MEDWEST, LLC”, FILED IN THIS OFFICE ON THE TWENTY-THIRD DAY OF JANUARY, A.D. 2014, AT 6:05 O’CLOCK P.M.






		/s/ Jeffrey W. Bullock
		Jeffrey W. Bullock, Secretary of State
	*5470097 8100*	*AUTHENTICATION:*	*1083851*

	*140084212*	*DATE:*	*01-24-14*
*You may verify this certificate online*
*at corp.delaware.gov/authver.shtml*

	*State of Delaware*
	*Secretary* *of State*
	*Division of Corporations*
	*Delivered 06:14 PM 01/23/2014*
	*FILED 06:05 PM 01/23/2014*
	*SRV 140084212* - 5470097 FILE

CERTIFICATE OF FORMATION
OF

DLP PARTNER MEDWEST, LLC

Pursuant to Section 18-201 of the Delaware Limited Liability Company Act (the “Act”), the undersigned, desiring to form a limited liability company, does hereby certify as follows:

1. The name of the limited liability company is DLP Partner MedWest, LLC (the “Company”).

2. The address of the Company’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington, County of New Castle, Delaware 19801. The name of its registered agent at such address is The Corporation Trust Company.

3. This Certificate of Formation shall be effective upon filing with the Delaware Secretary of State.

IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation on this 22nd day of January 2014.

	/s/ Christy S. Green
	Christy S. Green
	Authorized Person