Contact Us: Mailing Addresses For Part A (PA)

Claims, Inquiries, Appeals, Checks	Highmark Medicare Services Attn: (dept or function name or specific person) PO Box 890385 Camp Hill, PA 17089-0385
Cost Reports	Director, Provider Audit Highmark Medicare Services 120 Fifth Avenue, Suite P5301 Pittsburgh, PA 15222-3099
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 890385 Camp Hill, PA 17089-0385
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