national comprehensive cancer network national comprehensive cancer network national comprehensive cancer network (nccn) is an alliance of 33 cancer centers in the united states, most of which are designated by the national cancer institute (one of the u.s. national institutes of health) as comprehensive cancer centers. it is a non-profit organization with offices in plymouth meeting, pennsylvania. john w. sweetenham, md, frcp, facp, fasco, from ut southwestern simmons comprehensive cancer center, is chairman of the nccn board of directors. it publishes the peer-reviewed medical journal journal of the national comprehensive cancer network. nccn member institutions experts from the 33 nccn member institutions are recognized for dealing with complex, aggressive, or rare cancers. the 33 nccn member institutions are: abramson cancer center at the university of pennsylvania alvin j. siteman cancer center at barnes-jewish hospital and washington university school of medicine case comprehensive cancer center/university hospitals seidman cancer center and cleveland clinic taussig cancer institute city of hope national medical center dana-farber/brigham and women's cancer center | massachusetts general hospital cancer center duke cancer institute fox chase cancer center fred & pamela buffett cancer center at the university of nebraska medical center fred hutchinson cancer center huntsman cancer institute at the university of utah indiana university melvin and bren simon comprehensive cancer center mayo clinic comprehensive cancer center memorial sloan kettering cancer center moffitt cancer center o'neal comprehensive cancer center at university of alabama at birmingham robert h. lurie comprehensive cancer center roswell park comprehensive cancer center st. jude children's research hospital/the university of tennessee health science center stanford cancer institute the ohio state university comprehensive cancer center - james cancer hospital and solove research institute the sidney kimmel comprehensive cancer center at johns hopkins the uchicago medicine comprehensive cancer center university of texas md anderson cancer center uc davis comprehensive cancer center uc san diego moores cancer center ucla jonsson comprehensive cancer center ucsf helen diller family comprehensive cancer center university of colorado cancer center university of michigan rogel cancer center university of wisconsin carbone cancer center university of texas southwestern medical center vanderbilt-ingram cancer center yale cancer center/smilow cancer hospital