DR. ANISH GEORGE MAMMEN M.D. 310 E 24TH ST APT 1L NEW YORK, NY ZIP 10010 Phone: (617) 513-9508. Get Directions. Mailing Address. DR. ANISH GEORGE MAMMEN M.D. 4760 UNION DEPOSIT RD STE 100 HARRISBURG, PA ZIP 17111 Phone: (717) 545-5099 Fax: (717) 545-9979.