UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 1)*

                               EMDEON CORPORATION
                                (Name of Issuer)

                         Common Stock, $.0001 par value
                         (Title of Class of Securities)

                                    290849108
                                 (CUSIP Number)

                                December 31, 2005
                      (Date of Event which Requires Filing
                               of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                                [X] Rule 13d-1(b)
                                [ ] Rule 13d-1(c)
                                [ ] Rule 13d-1(d)


*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).

                          Continued on following pages
                                Page 1 of 9 Pages






CUSIP No. 290849108                                            Page 2 of 9 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  PERRY CORP.

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                   a.       [    ]
                   b.       [    ]

3        SEC Use Only

4        Citizenship or Place of Organization

                  NEW YORK

                            5             Sole Voting Power
Number of                                      13,024,572
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                      0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                        13,024,572
  With
                            8             Shared Dispositive Power
                                               0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    13,024,572

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [   ]

11       Percent of Class Represented By Amount in Row (9)

                                    4.6%

12       Type of Reporting Person (See Instructions)

                                    IA, CO



CUSIP No. 290849108                                            Page 3 of 9 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  RICHARD C. PERRY

2        Check the Appropriate Box If a Member of a Group (See Instructions)
                   a.       [    ]
                   b.       [    ]

3        SEC Use Only

4        Citizenship or Place of Organization

                  UNITED STATES

                            5             Sole Voting Power
Number of                                      13,024,572
 Shares
Beneficially                6             Shared Voting Power
 Owned By                                      0
  Each
Reporting                   7             Sole Dispositive Power
 Person                                        13,024,572
  With
                            8             Shared Dispositive Power
                                               0


9        Aggregate Amount Beneficially Owned by Each Reporting Person

                                    13,024,572

10       Check Box If the Aggregate Amount in Row (9) Excludes Certain
         Shares (See Instructions)

                                    [   ]

11       Percent of Class Represented By Amount in Row (9)

                                    4.6%

12       Type of Reporting Person (See Instructions)

                                    IN, HC






                                                               Page 4 of 9 Pages


     This  Amendment  No. 1 to  Schedule  13G  ("Amendment  No.  1")  amends the
following  statements filed by the Reporting Persons (as defined below) with the
Securities and Exchange  Commission:  (i) the initial  statement on Schedule 13G
filed on February  10, 2005 to report  beneficial  ownership of shares of common
stock, par value $.0001, of WebMD Corporation (CUSIP Number 94769M105), and (ii)
the  initial  statement  on Schedule  13G filed on  November  10, 2005 to report
beneficial ownership of Shares (as defined below) of the Issuer, which was filed
as an initial statement on Schedule 13G rather than an amendment to the Schedule
13G filed on February 10, 2005 because the Issuer  changed both its name and its
CUSIP number.  This  Amendment No. 1 is being filed by the Reporting  Persons to
report that the Reporting  Persons are no longer the  beneficial  owners of more
than five percent of the outstanding Shares of the Issuer.

Item 1(a)         Name of Issuer:

                  Emdeon Corporation (the "Issuer").

Item 1(b)         Address of the Issuer's Principal Executive Offices:

                  669 River Drive, Center 2, Elmwood Park, New Jersey 07407.

Item 2(a)         Name of Person Filing:

                  This statement is filed on behalf of each of the following
persons (collectively, the "Reporting Persons"):

                  i) Perry Corp.; and

                  ii) Richard C. Perry, in his capacities as the President and
sole stockholder of Perry Corp. ("Mr. Perry").

                  This statement relates to Shares (as defined herein) held for
the accounts of two or more private investment funds for which Perry Corp. acts
as general partner and/or managing member of the general partner and/or
investment adviser.

Item 2(b)         Address of Principal Business Office or, if None, Residence:

                  The address of the principal business office of each of the
Reporting Persons is 767 Fifth Avenue, New York, New York 10153.

Item 2(c)         Citizenship:

                  1) Perry Corp. is a New York corporation; and

                  2) Mr. Perry is a citizen of the United States.

Item 2(d)         Title of Class of Securities:

                  Common Stock, par value $.0001 per share (the "Shares").

Item 2(e)         CUSIP Number:

                  290849108





                                                               Page 5 of 9 Pages


Item 3.           If this statement is filed pursuant to Rule 13d-1(b), or 
                  13d-2(b) or (c), check whether the person filing is a:

                  i)   Perry Corp. is an investment adviser registered under 
                       Section 203 of the Investment Advisers Act of 1940.

                  ii)  Mr. Perry is a control person of Perry Corp.


Item 4.           Ownership:

Item 4(a)         Amount Beneficially Owned:

                  As of the Date of Event,  each of the Reporting Persons may be
deemed to be the beneficial owner of 13,024,572 Shares.  This number consists of
(i) 10,649,572  Shares and (ii) 2,375,000  Shares  issuable upon the exercise of
options  held for the accounts of the private  investment  funds for which Perry
Corp.  acts as general  partner and/or  managing  member of the general  partner
and/or investment adviser.

Item 4(b)         Percent of Class:

                  As of the Date of Event  and  giving  effect  to the  Issuer's
completion  of its tender offer as reported by the Issuer's  Amendment  No. 7 to
Schedule TO filed on December 29,  2005,  each of the  Reporting  Persons may be
deemed to be the beneficial owner of  approximately  4.6% of the total number of
Shares outstanding.

Item 4(c)         Number of shares as to which such person has:

    Perry Corp.
    (i)       Sole power to vote or direct the vote                   13,024,572
    (ii)      Shared power to vote or to direct the vote                       0
    (iii)     Sole power to dispose or to direct the 
              disposition of                                          13,024,572
    (iv)      Shared power to dispose or to direct the 
              disposition of                                                   0

    Mr. Perry
    (i)       Sole power to vote or direct the vote                   13,024,572
    (ii)      Shared power to vote or to direct the vote                       0
    (iii)     Sole power to dispose or to direct the 
              disposition of                                          13,024,572
    (iv)      Shared power to dispose or to direct the 
              disposition of                                                   0

Item 5.           Ownership of Five Percent or Less of a Class:

                  If this statement is being filed to report the fact that as of
the date hereof the reporting  person has ceased to be the  beneficial  owner of
more than five percent of the class of securities, check the following [X].






                                                               Page 6 of 9 Pages


Item 6.           Ownership of More than Five Percent on Behalf of Another 
                  Person:

                  The limited  partners of (or investors in) each of the private
investment  funds for which Perry Corp.  acts as general partner and/or managing
member  of the  general  partner  and/or  investment  adviser  have the right to
participate in the receipt of dividends  from, or proceeds from the sale of, the
securities  held for the accounts of their  respective  funds in accordance with
their respective  limited  partnership  interest (or investment  percentages) in
their respective funds.

Item 7.           Identification and Classification of the Subsidiary Which 
                  Acquired the Security Being Reported on by the Parent
                  Holding Company:

                  Perry Corp. is the relevant entity for which Mr. Perry may be 
                  considered a control person.

                  Perry Corp. is an investment adviser registered under the 
                  Investment Advisers Act of 1940.

Item 8.           Identification and Classification of Members of the Group:

                  This Item 8 is not applicable.

Item 9.           Notice of Dissolution of Group:

                  This Item 9 is not applicable.

Item 10. Certification:

                  By signing below each of the Reporting Persons certifies that,
to the best of such person's  knowledge and belief,  the securities  referred to
above were acquired and are held in the ordinary course of business and were not
acquired  and are not held for the  purpose of or with the effect of changing or
influencing  the control of the Issuer of such  securities and were not acquired
and are not  held in  connection  with or as a  participant  in any  transaction
having such purpose or effect.







                                                               Page 7 of 9 Pages


                                   SIGNATURES


     After  reasonable  inquiry and to the best of my knowledge and belief,  the
undersigned  certifies that the information set forth in this statement is true,
complete and correct.


Date:    January 10, 2006                      PERRY CORP.

                                               /s/ Richard C. Perry
                                               ----------------------------
                                               Name:  Richard C. Perry
                                               Title: President



Date:    January 10, 2006                      RICHARD C. PERRY

                                               /s/ Richard C. Perry
                                               ----------------------------








                                                               Page 8 of 9 Pages


                                  EXHIBIT INDEX

                                                                        Page No.
A.      Joint Filing Agreement, dated as of January 10, 2006,
        by and among the Reporting Persons ............                    9









                                                               Page 9 of 9 Pages

                                    EXHIBIT A

                             JOINT FILING AGREEMENT

         The undersigned hereby agree that the statement on Schedule 13G/A with
respect to the Common Stock, $.0001 par value, of Emdeon Corporation, dated as
of January 10, 2006 , is, and any amendments thereto (including amendments on
Schedule 13D) signed by each of the undersigned shall be, filed on behalf of
each of us pursuant to and in accordance with the provisions of Rule 13d-1(k)
under the Securities Exchange Act of 1934.


Date:    January 10, 2006                      PERRY CORP.

                                               /s/ Richard C. Perry
                                               ----------------------------
                                               Name:  Richard C. Perry
                                               Title: President



Date:    January 10, 2006                      RICHARD C. PERRY

                                               /s/ Richard C. Perry
                                               ----------------------------