Contact Us: Mailing Addresses For Part A (MD/DC)

Claims, Inquiries, Appeals	Highmark Medicare Services Attn: (dept or function name or specific person) PO Box 890386 Camp Hill, PA 17089-0386
Cost Reports	Highmark Medicare Services Attn: Adam Weber 1946 Greenspring Drive Timonium, MD 21093-4152
ADRs - Regular Mail	Highmark Medicare Services Attn: Medical Review PO Box 1055 Pittsburgh, PA 15230-1055
ADRs - Certified Mail	Highmark Medicare Services Medicare Medical Review Part A 120 Fifth Avenue Place Suite P5203 Pittsburgh, PA 15222-3099
Freedom of Information	Highmark Medicare Services Freedom of Information PO Box 890386 Camp Hill, PA 17089-0386
Overnight and commercial courier services that require a street address	Highmark Medicare Services Attn: (dept or function name or specific person) 1800 Center Street Camp Hill, PA 17089

Medicare A+B