ROBERT D. WALTER

LIMITED POWER OF ATTORNEY FOR

SECTION 16 REPORTING OBLIGATIONS

Know all by these present, that the undersigned hereby makes, constitutes

and appoints each of Paul S. Williams, Amy H. Hunsaker and Aneezal Mohamed

each acting individually, as the undersigned's true and lawful attorney-

in-fact, with full power and authority as hereinafter described on behalf

of and in the name, place and stead of the undersigned to: (1) prepare,

execute, acknowledge, deliver and file Forms 3, 4 and 5 (including any

amendments thereto) with respect to the securities of Cardinal Health,

Inc., an Ohio corporation (the "Company"), with the United States

Securities and Exchange Commission, any national securities exchanges and

the Company, as considered necessary or advisable under Section 16(a) of

the Securities Exchange Act of 1934 and the rules and regulations

promulgated thereunder, as amended from time to time (the "Exchange

Act"); (2) seek or obtain, as the undersigned's representative and on the

undersigned's behalf, information on transactions in the Company's

securities from any third party, including brokers, employee benefit plan

administrators and trustees, and the undersigned hereby authorizes any

such person to release any such information to the undersigned and

approves and ratifies any such release of information; and (3) perform

any and all other acts which in the discretion of such attorney-in-fact

are necessary or desirable for and on behalf of the undersigned in

connection with the foregoing. The undersigned acknowledges that: (1)

this Power of Attorney authorizes, but does not require, each such

attorney-in-fact to act in their discretion on information provided to

such attorney-in-fact without independent verification of such

information; (2) any documents prepared and/or executed by either such

attorney-in-fact on behalf of the undersigned pursuant to this Power of

Attorney will be in such form and will contain such information and

disclosure as such attorney-in-fact, in his or her discretion, deems

necessary or desirable; (3) neither the Company nor either of such

attorneys-in-fact assumes (i) any liability for the undersigned's

responsibility to comply with the requirement of the Exchange Act, (ii)

any liability of the undersigned for any failure to comply with such

requirements or (iii) any obligation or liability of the undersigned for

profit disgorgement under Section 16(b) of the Exchange Act; and (4) this

Power of Attorney does not relieve the undersigned from responsibility

for compliance with the undersigned's obligations under the Exchange Act,

including without limitation the reporting requirements under Section 16

of the Exchange Act. The undersigned hereby gives and grants each of the

foregoing attorneys-in-fact full power and authority to do and perform

all and every act and thing whatsoever requisite, necessary or

appropriate to be done in and about the foregoing matters as fully to all

intents and purposes as the undersigned might or could do if present,

hereby ratifying all that each such attorney-in-fact of, for and on

behalf of the undersigned, shall lawfully do or cause to be done by

virtue of this Limited Power of Attorney. This Power of Attorney shall

remain in full force and effect until revoked by the undersigned in a

signed writing delivered to each such attorney-in-fact. IN WITNESS

WHEREOF, the undersigned has caused this Power of Attorney to be executed

this 15th day of October, 2002.

/s/ Robert D. Walter

Signature

Robert D. Walter

Print Name