Medicare Part B Legacy Contractor

Wisconsin Physicians' Services 
Corporation (00951, Carrier)
111 East Wacker 
Chicago, Illinois 60601

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Contractor Medical Director
Stephen Boren M.D.
Wisconsin Physicians' Services 
Corporation (00951, Carrier)
111 East Wacker 
Chicago, Illinois 60601

Other States Covered Under MAC Jurisdiction 6:


Oncology CAC Representative(s)

Oncology CAC Representative
Stephanie Williams, MD
Hematology-Oncology Associates of Illinois, LLC
676 North Saint Clair Street, Suite 2140
Chicago, IL 60611-2998
Tel:  (312) 664-5400
Fax: (312) 664-5854

Oncology CAC Alternate
Leon Dragon, MD
Kellogg Cancer Center
767 Park Avenue West, Suite 260
Highland Park, IL 60035
Tel:  (847) 480-3800
Fax: (847) 480-3805

Hematology CAC Representative(s)

Walter Fried, MD
Cancer Care Center
Lutheran General Hospital
1700 Luther Lane, Ground Floor
Park Ridge, IL 60068-1174
Tel:  (847) 268-8200
Fax: (847) 318-2905

State Oncology/Hematology Society

Illinois Medical Oncology Society

State Managers' Societies

Illinois Society of Oncology Hematology Administrators

State Medical Society

Illinois State Medical Society

State Department of Insurance

Illinois Division of Insurance

Office Locations:


Springfield office map

Chicago office map

320 W. Washington Street

James R. Thompson Center

Springfield, IL 62767-0001

100 W. Randolph St., Suite 9-301

Health Insurance and HMO Inquiries Office of Consumer Health Insurance
877/527-9431 (Toll-Free)

Chicago, IL 60601-3395

MAIN: 217/782-4515

MAIN: 312/814-2420

FAX: 217/782-5020 (Main)

FAX: 312/814-5416

FAX: 217/558-2083 (Consumer Complaints)

TDD: 312/814-2603

TDD: 217/524-4872


Prompt Pay Law (Senate Bill 251-1255-71a): Clean claims must be paid in 30 days.  Interest accrues at 9% per annum.

State Board of Pharmacy:

Illinois Department of Financial and Professional Regulation, Division of Professional Regulation — State Board of Pharmacy

Kim Scott
Pharmacy Board Liaison
320 W Washington, 3rd Floor
Springfield, IL 62786
Phone: 217/782-8556
Fax: 217/782-7645
Web site:

(through Department of Professional Regulation)



(202) 756-2258

1101 Pennsylvania Avenue, N.W.
Suite 700
Washington, DC 20004