Exhibit 3.399

PAGE 1

     I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED ARE TRUE AND CORRECT COPIES OF ALL DOCUMENTS ON FILE OF “WESTERN PLAINS PHYSICIAN PRACTICES, LLC” AS RECEIVED AND FILED IN THIS OFFICE.

     THE FOLLOWING DOCUMENTS HAVE BEEN CERTIFIED:

     CERTIFICATE OF FORMATION, FILED THE FIFTH DAY OF JANUARY, A.D. 2007, AT 8:19 O’CLOCK P.M.

     AND I DO HEREBY FURTHER CERTIFY THAT THE AFORESAID CERTIFICATES ARE THE ONLY CERTIFICATES ON RECORD OF THE AFORESAID LIMITED LIABILITY COMPANY, “WESTERN PLAINS PHYSICIAN PRACTICES, LLC”.

4280484 8100H

110293105



You may verify this certificate online
at corp.delaware.gov/authver.shtml /s/ Jeffrey W. Bullock          Jeffrey W. Bullock, Secretary of State



AUTHENTICATION: 8620336

              DATE: 03-14-11

State of Delaware

Secretary of State

Division of Corporations

Delivered 09:59 PM 01/05/2007

FILED 08:19 PM 01/05/2007

SRV 070017556 – 4280484 FILE

Certificate of Formation
of
Western Plains Physician Practices, LLC

     The undersigned, an authorized natural person, for the purpose of forming a limited liability company, under the provisions and subject to the requirements of the State of Delaware, particularly Chapter 18, Title 6 of the Delaware Code and the acts amendatory thereof and supplemental thereto, and known, identified, and referred to as the Delaware Limited Liability Company Act (the “Act”), hereby certifies that:

     FIRST: The name of the limited liability company is Western Plains Physician Practices, LLC (the “Company”).

     SECOND: The address of the registered office and the name and address of the registered agent of the Company required to be maintained by Section 18-104 of the Act is The Corporation Trust Company, Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware 19801.

     IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation as of January 5, 2007.

By:	/s/ Mary Kim E. Shipp
	Mary Kim E. Shipp
	Authorized Person