Medicare Administrative Contractor (A/B MAC)

National Government Services, Inc
General Correspondence
P.O. Box 7108
Indianapolis, Indiana 46207-7108

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MAC Medical Director
Janet Lawrence, MD , Medical Director

National Government Services, Inc. (13102, MAC - Part B)
P.O. Box 7108
Indianapolis, IN 46207-7108


Other States Covered Under MAC Jurisdiction 13:
New York

Oncology CAC Representative(s)

Kert Sabbath, MD
Harold Leever Cancer Center
1075 Chase Parkway, Suite B
Waterbury, CT 06708
Phone: (203) 755-6311

Hematology CAC Representative(s)

Joseph O'Connell, MD
Oncology Hematology Care Associates, PC
40 Commerce Park
Milford, CT 06460
Phone: (203) 882-9608
Fax: (203) 882-9845

Andrea Ruskin, MD
Alternate Hem CAC Rep.
Norwalk Hospital
40 Cross St
Norwalk, Connecticut
Phone: 203-845-2138

State Oncology/Hematology Society

Connecticut Oncology Association

State Medical Society

Connecticut Medical Society

State Department of Insurance

Connecticut Insurance Department

153 Market St.
Hartford, CT 06103

(860) 297-3800
(800) 203-3447

(860) 566-7410

Prompt Pay Law ( CONNECTICUT GENERAL STATUTE §38a-816(15) AS AMENDED BY PUBLIC ACT 99-284 §30): Claims must be paid within 45 days.  Interest accrues at 15% per annum.

State Board of Pharmacy

Connecticut Commission of Pharmacy

deLinda Brown-Jagne
Board Administrator
State Office Building, 165 Capitol Ave, Room 147
Hartford, CT 06106
Phone: 860/713-6070
Fax: 860/713-7242
Web site:



(202) 756-2258

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