Exhibit 3.227

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 “NORTHWEST MEDICAL CENTER-WINFIELD, LLC” AS RECEIVED AND FILED IN THIS OFFICE.

     THE FOLLOWING DOCUMENTS HAVE BEEN CERTIFIED:

     CERTIFICATE OF FORMATION, FILED THE NINTH DAY OF SEPTEMBER, A.D. 2002, AT 5 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, “NORTHWEST MEDICAL CENTER-WINFIELD, LLC”.

3566794     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: 8620749 DATE: 03-14-11

STATE OF DELAWARE
SECRETARY OF STATE
DIVISION OF CORPORATIONS
FILED 05:00 PM 09/09/2002
020562878 — 3566794

Certificate of Formation
of
Northwest Medical Center-Winfield, 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 Northwest Medical Center-Winfield, 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 September 9, 2002.

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

BOS_@LLC Subsidiary formation template-New@

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