Exhibit 3.355

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 “SILETCHNIK PRACTICE, LLC” AS RECEIVED AND FILED IN THIS OFFICE.

     THE FOLLOWING DOCUMENTS HAVE BEEN CERTIFIED:

     CERTIFICATE OF FORMATION, FILED THE TWENTY-THIRD DAY OF SEPTEMBER, A.D. 1998, AT 9 O’CLOCK A.M.

     CERTIFICATE OF AMENDMENT, FILED THE TWENTY-SECOND DAY OF JANUARY, A.D. 2002, AT 10 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, “SILETCHNIK PRACTICE, LLC”.

2947710   8100H

110292495 /s/ Jeffrey W. Bullock
Jeffrey W. Bullock, Secretary of State
AUTHENTICATION: 8619981

DATE: 03-14-11

You may verify this certificate online
at corp.delaware.gov/authver.shtml

STATE OF DELAWARE

SECRETARY OF STATE

DIVISION OF CORPORATIONS

FILED 09:00 AM 09/23/1998

981370191 – 2947710

CERTIFICATE OF FORMATION
OF
SILETCHNIK PRACTICE, LLC

Under Section 18-201 of the
Delaware Limited Liability Company Act

          FIRST: The name of the limited liability company is Siletchnik Practice, LLC (the “Company”).

          SECOND: The address of the registered office of the Company in the State of Delaware is 1013 Centre Road, Wilmington, Delaware 19805.

          THIRD: The name and address of the Company’s registered agent for service of process is Corporation Service Company, 1013 Centre Road, Wilmington, Delaware 19805.

          IN WITNESS WHEREOF, the undersigned has executed this Certificate of Formation as of September 23, 1998.

By:	/s/ John M. Franck II
	Name:	John M. Franck II
	Title:	Authorized Person

CERTIFICATE OF AMENDMENT

OF

Siletchnik Practice, LLC

     1. The name of the limited liability company is Siletchnik Practice, LLC

     2. The Certificate of Formation of the limited liability company is hereby amended as follows:

The name and address of the registered agent is The Corporation Trust Company Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware 19801.

     IN WITNESS WHEREOF, the undersigned has executed this Certificate of Amendment of Siletchnik Practice, LLC this 15 day of January, 2002.

Siletchnik Practice, LLC

/s/ William F. Carpenter III

William F. Carpenter III,

Manager

Title

STATE OF DELAWARE

SECRETARY OF STATE

DIVISION OF CORPORATIONS

FILED 10:00 AM 01/22/2002

020040707 – 2947710