SEC Form 4
FORM 4

[ ] Check this box if no longer
subject to Section 16. Form 4 or Form
5 obligations may continue.
See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility
Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
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Expires: December 31, 2001
Estimated average burden
hours per response. . . . . 0.5
1. Name and Address of Reporting Person*
Mathiasen, Raymond     L.
(Last)                      (First)                      (Middle)
3820 State Street


(Street)
Santa Barbara, CA     93105

(City)                      (State)                      (Zip)

2. Issuer Name and Ticker
    or Trading Symbol

Tenet Healthcare Corporation   THC
3. I.R.S. Identification
    Number of Reporting
    Person, if an entity
    (voluntary)
4. Statement for
    (Month/Year)

    December 2002


5. If Amendment,
    Date of Original
    (Month/Year)
6. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

                        Director                           10% Owner
           X          Officer                             Other

Officer/Other
Description           EVP & Chief Accounting Officer
7. Individual or Joint/Group
    Filing (Check Applicable Line)

X   Individual Filing
      Joint/Group Filing
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security
    (Instr. 3)

2. Transaction Date
    (Month/Day/Year)
3. Transaction
    Code
    and
    Voluntary
    Code
    (Instr. 8)


Code  |  V    
4. Securities Acquired (A) or Disposed (D) Of
    (Instr. 3, 4, and 5)






        Amount      |         A/D         |         Price          
5. Amount of
    Securities
    Beneficially
    Owned at
    End of Month

    (Instr. 3 and 4)
6. Owner-
    ship
    Form:
    Direct(D)
    or
    Indirect (I)

    (Instr. 4)
7. Nature of
     Indirect
     Beneficial
     Ownership

    (Instr. 4)
Common Stock


57,819
I
By Trust







Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

(over)
SEC 1474 (3-99)


Mathiasen, Raymond L. - December 2002
Form 4 (continued)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
    (Instr. 3)
2. Conver-
    sion or
    Exercise
    Price of
    Deri-
    vative
    Security
3. Transaction
    Date

    (Month/
    Day/
    Year)
4. Transaction
    Code
    and
    Voluntary (V)
    Code
    (Instr.8)






Code | V    
5. Number of Derivative
    Securities Acquired (A)
    or Disposed (D) Of

    (Instr. 3,4 and 5)
6. Date Exercisable(DE) and
    Expiration Date(ED)
    (Month/Day/Year)









  (DE)     |     (ED)  
7. Title and Amount of
    Underlying Securities
    (Instr. 3 and 4)
8. Price
    of
    Derivative
    Security
    (Instr.5)
9. Number of
    Derivative
    Securities
    Beneficially
    Owned
    at End of
    Month
    (Instr.4)
10.
Owner-
ship
Form of
Deriv-
ative
Security:
Direct
(D)
or
Indirect
(I)
11. Nature of
      Indirect
      Beneficial
      Ownership
      (Instr.4)
2002 B Option (Right to Buy)
$17.56 12/10/2002
   A |     
    (A) 150,000
(1) | 12/10/2012
Common Stock - 150,000
150,000
D

1996 A Option (Right to Buy)
$13.92


Vest Ratably | 01/23/2006
Common Stock - 79,200
79,200
I
By Trust
1997 A Option (Right to Buy)
$16.50


Vest Ratably | 01/28/2007
Common Stock - 90,000
90,000
I
By Trust
1997 B Option (Right to Buy)
$22.04


Vest Ratably | 12/02/2007
Common Stock - 93,000
93,000
I
By Trust
1998 B Option (Right to Buy)
$19.96


Vest Ratably | 12/01/2008
Common Stock - 97,500
97,500
I
By Trust
1999 C Option (Right to Buy)
$11.12


Vest Ratably | 07/28/2009
Common Stock - 120,000
120,000
I
By Trust
2000 B Option (Right to Buy)
$27.21


Vest Ratably | 12/05/2010
Common Stock - 150,000
150,000
I
By Trust
2001 D Option (Right to Buy)
$40.41


Vest Ratably | 12/04/2011
Common Stock - 165,000
165,000
I
By Trust











Explanation of Responses :


** Intentional misstatements or omissions of facts constitute Federal Criminal Violations.
        See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note:   File three copies of this Form, one of which must be manually signed. If space is insufficient,
            See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not
required to respond unless the form displays a currently valid OMB number.
________________________________         __________________
** Signature of Reporting Person                         Date


Raymond L. Mathiasen



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SEC 1474 (3-99)


Mathiasen, Raymond L. - December 2002
Form 4 (continued)
FOOTNOTE Descriptions for Tenet Healthcare Corporation THC

Form 4 - December 2002

Raymond L. Mathiasen
3820 State Street

Santa Barbara, CA 93105

Explanation of responses:

(1)   These options vest four years from the grant date but are subject to accelered vesting. One-third of the options will vest one year from the grant date if the stock price has reached $24 or above and has been at that price level for 20 consecutive trading days. If the stock price is below that level, then one-third of the options will vest at any time after the first anniversary that the stock price is at least $24 and has been so for at least 20 consecutive trading days. An additional one-third of the options will vest two years from the grant date if the stock price has reached $27 or above and has been at that price level for 20 consecutive trading days. If the stock price on the second anniversary is below that level, then the additional one-third of the options will vest at any time after the second anniversary that the stock price is at least $27 and has been so for at least 20 consecutive trading days. The remaining one-third of the options will vest three years from the grant date if the stock price has reached $30 or above and has been at that price level for 20 consecutive trading days. If the stock price on the third anniversary is below that level, then the remaining one-third will vest at any time after the third anniversary that the stock price is at least $30 and has been so for at least 20 consecutive trading days.
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