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



                                  SCHEDULE 13G


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


                                  I-trax, Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)
                     Common Stock, par value $.001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)
                                   45069D 20 3
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                 March 19, 2004
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed: [ ] Rule 13d-1(b) [X] 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 in 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).







CUSIP No. ...... 45069D 20 3.................................
--------------------------------------------------------------------------------
      1. Names of Reporting Persons.
             I.R.S. Identification Nos. of above persons (entities only).

             Susan M. Mathews
--------------------------------------------------------------------------------
      2.     Check the Appropriate Box if a Member of a Group (See Instructions)
             (a)
                    ............................................................

             (b)
                     ...X.......................................................
--------------------------------------------------------------------------------

      3.     SEC Use Only

             ...................................................................
--------------------------------------------------------------------------------
      4.     Citizenship or Place of Organization:  United
             States......................................................
--------------------------------------------------------------------------------


                   5. Sole Voting Power:        1,693,695
 Number of        -------------------------------------------------------------
 Shares            6. Shared Voting Power: Not
 Beneficially                              Applicable.
 Owned by         -------------------------------------------------------------
 Each Reporting    7. Sole Dispositive Power:
 Person With                                    1,693,695
                  -------------------------------------------------------------
                   8. Shared Dispositive Power: Not
                                                Applicable.
--------------------------------------------------------------------------------

         9.       Aggregate Amount Beneficially Owned by Each Reporting Person.
                  1,693,695

--------------------------------------------------------------------------------

         10.      Check if the Aggregate Amount in Row (9) Excludes Certain
                  Shares (See Instructions)
--------------------------------------------------------------------------------

         11.      Percent of Class Represented by Amount in Row (9): 5.92%
--------------------------------------------------------------------------------

         12.      Type of Reporting Person (See Instructions) IN
--------------------------------------------------------------------------------








Item 1.

         (a)      Name of Issuer: I-trax, Inc.

         (b)      Address of Issuer's Principal Executive Offices: One Logan
                  Square, 130 N. 18th Street, Suite 2615, Philadelphia, PA 19103


Item 2.

         (a)      Name of Person Filing: Susan M. Mathews

         (b)      Address of Principal Business Office or, if none, Residence:
                  2398 Rosendale Road, Niskayuna, NY 12309

         (c)      Citizenship: United States

         (d)      Title of Class of Securities: Common Stock, par value $0.001
                  per share

         (e)      CUSIP Number: 45069D 20 3







Item       3. If this statement is filed pursuant to ss.ss.240.13d-1(b) or
           240.13d-2(b) or (c), check whether the person filing is a:

         (a)      [ ] Broker or dealer registered under section 15 of the Act
                  (15 U.S.C. 78o).

         (b)      [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C.
                  78c).

         (c)      [ ] Insurance company as defined in section 3(a)(19) of the
                  Act (15 U.S.C. 78c).

         (d)      [ ] Investment company registered under section 8 of the
                  Investment Company Act of 1940 (15 U.S.C 80a-8).

         (e)      [ ] An investment adviser in accordance with
                  ss.240.13d-1(b)(1)(ii)(E).

         (f)      [ ] An employee benefit plan or endowment fund in accordance
                  with ss.240.13d-1(b)(1)(ii)(F);

         (g)      [ ] A parent holding company or control person in accordance
                  with ss. 240.13d-1(b)(1)(ii)(G);

         (h)      [ ] A savings associations as defined in Section 3(b) of the
                  Federal Deposit Insurance Act (12 U.S.C. 1813);

         (i)      [ ] A church plan that is excluded from the definition of an
                  investment company under section 3(c)(14) of the Investment
                  Company Act of 1940 (15 U.S.C. 80a-3);

         (j)      [ ] Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).


Item 4.         Ownership.

Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.

         (a)      Amount beneficially owned: 1,693,695

         (b)      Percent of class: 5.92%.

         (c)      Number of shares as to which the person has:

                  (i)      Sole power to vote or to direct the vote 1,693,695

                  (ii)     Shared power to vote or to direct the vote: Not
                           Applicable.





                  (iii)    Sole power to dispose or to direct the disposition
                           of: 1,693,695

                  (iv)     Shared power to dispose or to direct the disposition
                           of: Not Applicable.

Instruction. For computations regarding securities which represent a right to
acquire an underlying security see ss.240.13d3(d)(1).


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

Not Applicable.


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

Not Applicable.


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

Not Applicable.


Item 8.        Identification and Classification of Members of the Group

Not Applicable.


Item 9.         Notice of Dissolution of Group

Not Applicable.


Item 10.        Certification

(a) The following certification shall be included if the statement is filed
pursuant to Section 240.13d-1(c):


By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above 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
the securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.








                                    SIGNATURE


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

                                 March 29, 2004
                              ---------------------
                                      Date

                              /s/ Susan M. Mathews
                              ---------------------
                                    Signature


                                Susan M. Mathews
                              ---------------------
                                   Name/Title

Attention:  Intentional misstatements or omissions of fact constitute
            Federal criminal violations  (See 18 U.S.C. 1001)