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

                                  SCHEDULE 13G
                    Under the Securities Exchange Act of 1934
                           (Amendment No. ___________)

                               NeighborCare, Inc.
                     ------------------------------------
                                (Name of Issuer)

                                  Common Stock
                     ------------------------------------
                         (Title of Class of Securities)

                                    64015Y104
                     ------------------------------------
                                 (CUSIP Number)

                                     9/20/04
                     ------------------------------------
             (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. 64015Y104

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

        Chesapeake Partners Management Co., Inc.

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

    3.  SEC Use Only


    4.  Citizenship or Place of Organization
        Maryland


                    5. Sole Voting Power                                    
                       -0-                                                    
                       
Number of                                                                   
Shares              6. Shared Voting Power              
Beneficially           2,514,293                                           
Owned by               
Each                                                                          
Reporting           7. Sole Dispositive Power                               
Person With            -0-                                                   
                       
                                                                         
                    8. Shared Dispositive Power                             
                       2,514,293                                       
             

    9.  Aggregate Amount Beneficially Owned by Each Reporting Person
        2,514,293

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

    11. Percent of Class Represented by Amount in Row (9)
        5.7%

    12. Type of Reporting Person (See Instructions) CO


Includes shares under a management agreement for unrelated party.





CUSIP No. 64015Y104

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

        Chesapeake Partners Limited Partnership

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

   3.   SEC Use Only

   4.   Citizenship or Place of Organization
        Maryland


                    5. Sole Voting Power                                 
                       -0-
                       
Number of                                                                    
Shares              6. Shared Voting Power                          
Beneficially           1,342,993                                             
Owned by               
Each                                                                          
Reporting                                                                      
Person With         7. Sole Dispositive Power                                 
                       -0-
                       
                                                                             
                    8. Shared Dispositive Power                              
                       1,342,993
                       

   9.   Aggregate Amount Beneficially Owned by Each Reporting Person
        1,342,993

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

   11.  Percent of Class Represented by Amount in Row (9) 
        3.0%


   12.  Type of Reporting Person (See Instructions) PN






CUSIP No. 64015Y104

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

        Chesapeake Partners Institutional Fund Limited Partnership   
        
    2.  Check the Appropriate Box if a Member of a Group (See Instructions)
            (a) [X] 
            (b) [ ] 

    3.  SEC Use Only


    4.  Citizenship or Place of Organization
        Maryland


                    5. Sole Voting Power                                   
                       -0-                                           
                                                                         
Number of           6. Shared Voting Power                    
Shares                 45,000                                               
Beneficially                                               
Owned by               
Each                7. Sole Dispositive Power                 
Reporting              -0-                                             
Person With                                                
                    8. Shared Dispositive Power                    
                       45,000                                      
                             
                    

    9.  Aggregate Amount Beneficially Owned by Each Reporting Person
        45,000

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

    11. Percent of Class Represented by Amount in Row (9)
        0.1%

    12. Type of Reporting Person (See Instructions) PN




CUSIP No. 64015Y104

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

        Chesapeake Partners International Ltd.            
        none

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

   3.   SEC Use Only

   4.   Citizenship or Place of Organization
        Cayman Islands



                    5. Sole Voting Power                     
                       -0-                                   
                       
Number of                                                 
Shares              6. Shared Voting Power                              
Beneficially           1,036,800                                         
Owned by               
Each                                                           
Reporting           7. Sole Dispositive Power                    
Person With            -0-                        
                       

                    8. Shared Dispositive Power          
                       1,036,800                                  
                       
            

   9.   Aggregate Amount Beneficially Owned by Each Reporting Person
        1,036,800

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

   11.  Percent of Class Represented by Amount in Row (9)
        2.4%

   12.  Type of Reporting Person (See Instructions) CO



CUSIP No.  64015Y104



   
1.  Names of Reporting Persons.
    I.R.S. Identification Nos. of above persons (entities only).
                                                                             
    Barclays Global Investors Event Drive Fund II
    none


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


3.  SEC Use Only


4.  Citizenship or Place of Organization
    Ireland


                    5.  Sole Voting Power                               
                        -0-                   
                 
                                                                    
Number of           6.  Shared Voting Power                          
Shares                  89,500                            
Beneficially            
Owned by                                                              
Each Reporting      7.  Sole Dispositive Power                    
Person With             -0-                                      
                        
                                                                 
                    8.  Shared Dispositive Power                     
                        89,500                             
                    

9.  Aggregate Amount Beneficially Owned by Each Reporting Person
    89,500


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


11. Percent of Class Represented by Amount in Row (9)
    0.2%

12. Type of Reporting Person (See Instructions)  CO

The above mentioned shares are managed pursuant to a sub-advisory agreement with
CPMC and Barclays Global Investors Limited.




Item 1. (a) Name of Issuer               NeighborCare, Inc.

        (b) Address of Issuer's Principal Executive Offices
            601 East Pratt Street, 3rd Floor, Baltimore, MD  21202

Item 2. (a) Name of Person Filing   Chesapeake Partners Management Co., Inc.

        (b) Address of Principal Business Office or, if none, Residence
            1829 Reisterstown Road, Suite 420, Baltimore, Maryland  21208

        (c) Citizenship                              U.S.A.

        (d) Title of Class of Securities             Common Stock

        (e) CUSIP Number                             64015Y104

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:

           CPMC             2,514,293
           CPLP             1,342,993
           CPIFLP              45,000
           CPINTL           1,036,800
           BARCLAYS            89,500

       (b) Percent of class:

           CPMC                  5.7%
           CPLP                  3.0%
           CPIFLP                0.1%
           CPINTL                2.4%
           BARCLAYS              0.2%

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

           (i) Sole power to vote or to direct the vote -0- for all.

          (ii) Shared power to vote or to direct the vote 
               CPMC         2,514,293 
               CPLP         1,342,993
               CPIFLP          45,000
               CPINTL       1,036,800
               BARCLAYS        89,500

         (iii) Sole power to dispose or to direct the disposition of
               -0- for all.

          (iv) Shared power to dispose or to direct the disposition of
               CPMC         2,514,293
               CPLP         1,342,993
               CPIFLP          45,000
               CPINTL       1,036,800
               BARCLAYS        89,500

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 N/A 

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 [ ].

Instruction: Dissolution of a group requires a response to this item.


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

If any other person is known to have the right to receive or the power to direct
the receipt of dividends from, or the proceeds from the sale of, such
securities, a statement to that effect should be included in response to this
item and, if such interest relates to more than five percent of the class, such
person should be identified. A listing of the shareholders of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of employee benefit plan, pension fund or endowment fund is not required.


Item 7. Identification and Classification of the Subsidiary Which Acquired
        the Security Being Reported on By the Parent Holding Company or Control
        Person.
        N/A

If a parent holding company or Control person has filed this schedule, pursuant
to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and attach an exhibit
stating the identity and the Item 3 classification of the relevant subsidiary.
If a parent holding company or control person has filed this schedule pursuant
to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification
of the relevant subsidiary.


Item 8. Identification and Classification of Members of the Group
        N/A

If a group has filed this schedule pursuant to ss.240.13d-1(b)(1)(ii)(J), so
indicate under Item 3(j) and attach an exhibit stating the identity and Item 3
classification of each member of the group. If a group has filed this schedule
pursuant to ss.240.13d-1(c) or ss.240.13d-1(d), attach an exhibit stating the
identity of each member of the group.


Item 9. Notice of Dissolution of Group
        N/A

Notice of dissolution of a group may be furnished as an exhibit stating the date
of the dissolution and that all further filings with respect to transactions in
the security reported on will be filed, if required, by members of the group, in
their individual capacity. See Item 5.




Item 10. Certification

       (a) The following certification shall be included if the statement is
           filed pursuant to ss.240.13d-1(b): By signing below I certify that,
           to the best of my 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 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.

       (b) The following certification shall be included if the statement is
           filed pursuant to ss.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.


Chesapeake Partners Management Co., Inc.

BY: /s/           Mark D. Lerner
    -------------------------------------------
Name:  Mark D. Lerner
Title: Vice President


Chesapeake Partners Limited Partnership
By:  Chesapeake Partners Management Co., Inc.

BY:  /s/            Mark D. Lerner
    -------------------------------------------
Name:  Mark D. Lerner
Title: Vice President


Chesapeake Partners Institutional Fund Limited Partnership
By:  Chesapeake Partners Management Co., Inc.

BY:   /s/          Mark D. Lerner
    -------------------------------------------
Name:  Mark D. Lerner
Title: Vice President


Chesapeake Partners International Ltd.
By:   Chesapeake Partners Management Co., Inc.

BY:   /s/          Mark D. Lerner
    -------------------------------------------
Name:  Mark D. Lerner
Title: Vice President


Barclays Global Investors Event Driven Fund II
By:   Chesapeake Partners Management Co., Inc.

BY:   /s/          Mark D. Lerner
    -------------------------------------------
Name:  Mark D. Lerner
Title: Vice President