UNITED STATES SECURITIES AND
EXCHANGE COMMISSION
Washington, D.C.
20549
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POST-EFFECTIVE AMENDMENT NO. 4
TO
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FORM S-8 REGISTRATION
STATEMENT
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UNDER THE SECURITIES ACT OF
1933
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[Registration #
033-60591]
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SIERRA HEALTH SERVICES,
INC.
(Exact
Name of Registrant as Specified in Its
Charter)
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Nevada
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88-0200415
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(State
or Other Jurisdiction
of
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(I.R.S.
Employer
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Incorporation
or Organization)
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Identification
No.)
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SIERRA HEALTH SERVICES,
INC.
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CALIFORNIA INDEMNITY INSURANCE
COMPANY STOCK OPTION PLAN OF 1988
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CII FINANCIAL, INC. EMPLOYEE
INCENTIVE STOCK OPTION PLAN (1989)
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CII FINANCIAL, INC. 1991
EMPLOYEE STOCK INCENTIVE PLAN
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CII FINANCIAL, INC. 1993
EMPLOYEE STOCK INCENTIVE PLAN
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CII FINANCIAL, INC.
NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN
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CALIFORNIA INDEMNITY INSURANCE
COMPANY NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN
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(Full
title of the plan)
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Anthony M. Marlon,
M.D.
Chairman of the Board and Chief
Executive Officer
Sierra Health Services,
Inc.
2724 North Tenaya
Way
Las Vegas, Nevada
89128
(702)
242-7000
(Name,
Address, Including Zip Code, and Telephone Number, Including Area Code, of
Agent for Service)
________________
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SIERRA
HEALTH SERVICES, INC.
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By:
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/s/
Anthony M. Marlon, M.D.
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Anthony M. Marlon,
M.D.
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Chairman
of the Board
and Chief Executive Officer
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/s/ ANTHONY M. MARLON,
M.D.
Anthony
M. Marlon, M.D.
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Chairman
of the Board, Chief Executive Officer,
and
Director (principal
executive officer)
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February
25, 2008
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/s/ MARC R.
BRIGGS
Marc
R. Briggs
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Senior
Vice President,
Chief
Financial Officer and Treasurer and Director
(principal
financial and accounting officer)
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February
25, 2008
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