District of Columbia

Medicare Administrative Contractor (A/B MAC)

Highmark Medicare Services
General Correspondence
PO Box 890089
1800 Center Street
1A-L3 Suite 306
Camp Hill, PA 17089-0089

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Contractor Medical Director
Robert S. Muscalus, MD
1800 Center Street
1A-L3 Suite 306
Camp Hill, PA 17089-0089

Other States Covered Under MAC Jurisdiction 12:


New Jersey


Oncology CAC Representative(s)

Oncology CAC Representative
Eric Seifter, MD
10755 Falls Road, Suite 200
Lutherville, MD 21093
Tel: (410) 583-7122
Fax: (410) 583-7128

Hematology CAC Representative(s)

Hematology CAC Representative
Thomas Bensinger, MD
7525 Greenway Center Drive, #205
Greenbelt, Md 20770
Tel:  (301) 982-9800
Fax: (301) 982-2420

State Oncology/Hematology Society

Maryland/DC Society of Clinical Oncology

State Medical Society

Medical Society of the District of Columbia

State Department of Insurance

Department of Insurance, Securities and Banking
810 First Street, NE, Suite 701
Washington, DC 20002  (202) 727-8000

State Prompt Pay Law

Title 31 Ch. 31A Section 331 et faq 2002 Supplement

30 days for clean claim. Interest penalty for overdue claims is 1.5% from 31st to 60th day. 61st to 120th day penalty is 2% and after 120thinterest penalty is 2.5%.

State Board of Pharmacy

District of Columbia Board of Pharmacy

Bonnie Rampersaud 
Interim Executive Director
717 – 14th St NW, Suite 600
Washington, DC 20005
Phone: 202/724-7332
Fax: 202/727-8471
Web site:http://hpla.doh.dc.gov/hpla/cwp/view,A,1195,Q,488414,hplaNav,%7C30661%7C,.asp




(202) 756-2258

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