<PAGE>

                                                                    EXHIBIT 24.1

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ Thomas R. Ferguson
                                    ------------------------------------
                                    THOMAS R. FERGUSON
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ Mervyn L. Goldstein, M.D.
                                    ------------------------------------
                                    MERVYN L. GOLDSTEIN, M.D.
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ Ray E. Hannah
                                    ------------------------------------
                                    RAY E. HANNAH
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ Courtney Jones
                                    -----------------------------------------
                                    COURTNEY JONES
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ John Kang
                                    ------------------------------------
                                    JOHN KANG
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ Ray Kurzweil
                                    ------------------------------------
                                    RAY KURZWEIL
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                     /s/ Roger H. Licht
                                    ------------------------------------
                                    ROGER H. LICHT
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21st day of September, 1999.




                                     /s/ James V. Manning
                                    ------------------------------------
                                    JAMES V. MANNING
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                     /s/ Bernard A. Marden
                                    ------------------------------------
                                    BERNARD A. MARDEN
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                     /s/ Charles A. Mele
                                    ------------------------------------
                                    CHARLES A. MELE
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                     /s/ Chris Peifer
                                    ------------------------------------
                                    CHRIS PEIFER
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st / day of September, 1999.



                                     /s/ Herman Sarkowsky
                                    ------------------------------------
                                    HERMAN SARKOWSKY
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st / day of September, 1999.



                                     /s/ Michael A. Singer
                                    ------------------------------------
                                    MICHAEL A. SINGER
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                    /s/ Paul C. Suthern
                                    ------------------------------------
                                    PAUL C. SUTHERN
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                     /s/ Albert M. Weis
                                    ------------------------------------
                                    ALBERT M. WEIS
<PAGE>

                          MEDICAL MANAGER CORPORATION

                               POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned does hereby constitute
and appoint Charles A. Mele and James R. Love, and each of them, each with full
power to act without the other, his true and lawful attorneys-in-fact and
agents, each with full power of substitution and resubstitution, for him and in
his name, place and stead, in any and all capacities, to sign the Annual Report
on Form 10-K of Medical Manager Corporation for the fiscal year ended June 30,
1999 (the "Annual Report") and to sign any and all amendments to the Annual
Report, and to file the same, with all exhibits thereto and all other documents
in connection therewith, with the Securities and Exchange Commission, granting
unto said attorneys-in-fact and agents full power and authority to do and
perform each and every act and thing requisite and necessary to be done as fully
to all intents and purposes as he might or could do in person, hereby ratifying
and confirming all that each of said attorneys-in-fact and agents or any of them
may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 21/st/ day of September, 1999.



                                     /s/ Martin J. Wygod
                                    ------------------------------------
                                    MARTIN J. WYGOD