Exhibit 3.229

Delaware	PAGE 1
The First State

     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 “NWMC–WINFIELD PHYSICIAN PRACTICES, LLC” AS RECEIVED AND FILED IN THIS OFFICE.

     THE FOLLOWING DOCUMENTS HAVE BEEN CERTIFIED:

     CERTIFICATE OF FORMATION, FILED THE NINETEENTH DAY OF SEPTEMBER, A.D. 2002, AT 11 O’CLOCK A.M.

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

3570523     8100H		/s/ Jeffrey W. Bullock
110293691 You may verify this certificate online at corp.delaware.gov/authver.shtml		Jeffrey W. Bullock, Secretary of State AUTHENTICATION: 8620750 DATE: 03-14-11

CERTIFICATE OF FORMATION
OF
NWMC-WINFIELD 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 NWMC-Winfield 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 Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware 19801. The name is The Corporation Trust Company.

     IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation as of September 18, 2002.

By:	/s/ William F. Carpenter III
	William F. Carpenter III
	Authorized Person

STATE OF DELAWARE
SECRETARY OF STATE DIVISION OF CORPORATIONS	- 2 -	BOS..@LLC Subsidiary formation template-New@
FILED 11:00 AM 09/19/2002 020584064 — 3570523