Hi Gus - go to the that Thomas.gov link and enter either the bill number: 1298 for the House and 635 for the Senate OR enter the word “Dialysis” and you’ll see the Bills in the search results.
Thomas links don’t work if you paste them, at least I can’t get them to work.
When you click on the Bill # you’ll get to the summary page, then click “Link to the Bill Summary & Status file”, then you’ll see a link to “Cosponsors (154)”.
Here it is (usually it is updated on Friday so check back):
Rep Abercrombie, Neil [HI-1] - 5/4/2005
Rep Ackerman, Gary L. [NY-5] - 5/3/2006
Rep Andrews, Robert E. [NJ-1] - 11/8/2005
Rep Bachus, Spencer [AL-6] - 9/29/2005
Rep Baird, Brian [WA-3] - 4/27/2005
Rep Baldwin, Tammy [WI-2] - 4/27/2005
Rep Barrow, John [GA-12] - 6/14/2005
Rep Beauprez, Bob [CO-7] - 4/12/2005
Rep Becerra, Xavier [CA-31] - 10/17/2005
Rep Berkley, Shelley [NV-1] - 4/5/2005
Rep Bilirakis, Michael [FL-9] - 7/18/2005
Rep Bono, Mary [CA-45] - 7/25/2005
Rep Boozman, John [AR-3] - 5/18/2006
Rep Bordallo, Madeleine Z. [GU] - 5/4/2005
Rep Boren, Dan [OK-2] - 7/13/2005
Rep Boucher, Rick [VA-9] - 10/6/2005
Rep Brady, Robert A. [PA-1] - 6/15/2005
Rep Brown, Henry E., Jr. [SC-1] - 6/14/2005
Rep Brown, Sherrod [OH-13] - 10/25/2005
Rep Burton, Dan [IN-5] - 9/15/2005
Rep Butterfield, G. K. [NC-1] - 4/5/2005
Rep Calvert, Ken [CA-44] - 6/9/2005
Rep Cantor, Eric [VA-7] - 4/8/2005
Rep Capps, Lois [CA-23] - 9/15/2005
Rep Cardin, Benjamin L. [MD-3] - 7/12/2005
Rep Christensen, Donna M. [VI] - 4/27/2005
Rep Clay, Wm. Lacy [MO-1] - 2/1/2006
Rep Clyburn, James E. [SC-6] - 3/2/2006
Rep Cole, Tom [OK-4] - 7/12/2005
Rep Cummings, Elijah E. [MD-7] - 4/8/2005
Rep Davis, Jim [FL-11] - 9/27/2005
Rep Davis, Jo Ann [VA-1] - 7/25/2005
Rep DeGette, Diana [CO-1] - 10/17/2005
Rep Dicks, Norman D. [WA-6] - 4/12/2005
Rep Doggett, Lloyd [TX-25] - 4/27/2005
Rep Doyle, Michael F. [PA-14] - 10/19/2005
Rep Drake, Thelma D. [VA-2] - 3/2/2006
Rep Emanuel, Rahm [IL-5] - 6/17/2005
Rep English, Phil [PA-3] - 6/30/2005
Rep Farr, Sam [CA-17] - 9/7/2005
Rep Fattah, Chaka [PA-2] - 12/7/2005
Rep Ferguson, Mike [NJ-7] - 5/17/2006
Rep Filner, Bob [CA-51] - 7/26/2005
Rep Foley, Mark [FL-16] - 9/7/2005
Rep Ford, Harold E., Jr. [TN-9] - 6/14/2005
Rep Frank, Barney [MA-4] - 6/29/2005
Rep Gerlach, Jim [PA-6] - 3/16/2006
Rep Gonzalez, Charles A. [TX-20] - 9/13/2005
Rep Goode, Virgil H., Jr. [VA-5] - 9/7/2005
Rep Gordon, Bart [TN-6] - 4/27/2005
Rep Green, Al [TX-9] - 7/28/2005
Rep Green, Gene [TX-29] - 9/14/2005
Rep Hall, Ralph M. [TX-4] - 6/6/2006
Rep Hart, Melissa A. [PA-4] - 6/17/2005
Rep Hastings, Doc [WA-4] - 9/7/2005
Rep Hefley, Joel [CO-5] - 5/10/2006
Rep Higgins, Brian [NY-27] - 5/5/2005
Rep Hinchey, Maurice D. [NY-22] - 4/28/2005
Rep Hobson, David L. [OH-7] - 9/27/2005
Rep Honda, Michael M. [CA-15] - 9/27/2005
Rep Hulshof, Kenny C. [MO-9] - 6/17/2005
Rep Inslee, Jay [WA-1] - 5/4/2005
Rep Israel, Steve [NY-2] - 5/4/2005
Rep Issa, Darrell E. [CA-49] - 10/17/2005
Rep Jackson-Lee, Sheila [TX-18] - 4/27/2005
Rep Jefferson, William J. [LA-2] - 3/16/2005
Rep Jenkins, William L. [TN-1] - 10/25/2005
Rep Jindal, Bobby [LA-1] - 7/12/2005
Rep Johnson, Eddie Bernice [TX-30] - 6/14/2005
Rep Johnson, Sam [TX-3] - 4/5/2005
Rep Jones, Stephanie Tubbs [OH-11] - 9/15/2005
Rep Jones, Walter B., Jr. [NC-3] - 7/28/2005
Rep Kildee, Dale E. [MI-5] - 4/27/2005
Rep Kilpatrick, Carolyn C. [MI-13] - 6/6/2006
Rep LaHood, Ray [IL-18] - 3/2/2006
Rep Larsen, Rick [WA-2] - 5/4/2005
Rep Latham, Tom [IA-4] - 7/18/2005
Rep LaTourette, Steve C. [OH-14] - 9/7/2005
Rep Leach, James A. [IA-2] - 6/14/2006
Rep Lewis, John [GA-5] - 6/14/2005
Rep Lewis, Ron [KY-2] - 6/29/2005
Rep LoBiondo, Frank A. [NJ-2] - 10/17/2005
Rep Lofgren, Zoe [CA-16] - 6/30/2005
Rep Marchant, Kenny [TX-24] - 7/12/2005
Rep Matsui, Doris O. [CA-5] - 9/13/2005
Rep McCarthy, Carolyn [NY-4] - 5/11/2005
Rep McCotter, Thaddeus G. [MI-11] - 6/14/2005
Rep McDermott, Jim [WA-7] - 3/16/2005
Rep McHugh, John M. [NY-23] - 3/28/2006
Rep McKinney, Cynthia A. [GA-4] - 5/11/2005
Rep McMorris, Cathy [WA-5] - 6/14/2006
Rep McNulty, Michael R. [NY-21] - 5/17/2005
Rep Meeks, Gregory W. [NY-6] - 5/25/2006
Rep Michaud, Michael H. [ME-2] - 3/2/2006
Rep Moore, Dennis [KS-3] - 5/25/2005
Rep Moran, James P. [VA-8] - 6/14/2005
Rep Nadler, Jerrold [NY-8] - 12/7/2005
Rep Neal, Richard E. [MA-2] - 6/9/2005
Rep Ortiz, Solomon P. [TX-27] - 6/17/2005
Rep Owens, Major R. [NY-11] - 4/27/2005
Rep Pallone, Frank, Jr. [NJ-6] - 6/9/2005
Rep Pascrell, Bill, Jr. [NJ-8] - 2/1/2006
Rep Paul, Ron [TX-14] - 4/27/2005
Rep Payne, Donald M. [NJ-10] - 5/11/2005
Rep Peterson, Collin C. [MN-7] - 9/7/2005
Rep Pickering, Charles W. (Chip) [MS-3] - 9/27/2005
Rep Platts, Todd Russell [PA-19] - 6/29/2005
Rep Pomeroy, Earl [ND] - 6/14/2005
Rep Porter, Jon C. [NV-3] - 6/14/2006
Rep Price, David E. [NC-4] - 4/8/2005
Rep Putnam, Adam H. [FL-12] - 5/23/2005
Rep Rahall, Nick J., II [WV-3] - 7/25/2005
Rep Ramstad, Jim [MN-3] - 6/21/2005
Rep Rangel, Charles B. [NY-15] - 6/21/2005
Rep Reichert, David G. [WA-8] - 9/27/2005
Rep Renzi, Rick [AZ-1] - 6/17/2005
Rep Reyes, Silvestre [TX-16] - 5/11/2005
Rep Reynolds, Thomas M. [NY-26] - 5/9/2006
Rep Rogers, Mike D. (AL) [AL-3] - 4/19/2005
Rep Ross, Mike [AR-4] - 6/13/2006
Rep Rothman, Steven R. [NJ-9] - 4/5/2006
Rep Roybal-Allard, Lucille [CA-34] - 2/1/2006
Rep Ruppersberger, C. A. Dutch [MD-2] - 6/14/2005
Rep Rush, Bobby L. [IL-1] - 12/7/2005
Rep Ryan, Paul [WI-1] - 7/26/2005
Rep Sanchez, Linda T. [CA-39] - 7/12/2005
Rep Sanchez, Loretta [CA-47] - 6/13/2006
Rep Saxton, Jim [NJ-3] - 3/2/2006
Rep Schiff, Adam B. [CA-29] - 4/8/2005
Rep Schwartz, Allyson Y. [PA-13] - 6/15/2005
Rep Schwarz, John J.H. “Joe” [MI-7] - 9/13/2005
Rep Sessions, Pete [TX-32] - 6/14/2005
Rep Shaw, E. Clay, Jr. [FL-22] - 7/12/2005
Rep Sherman, Brad [CA-27] - 11/16/2005
Rep Shimkus, John [IL-19] - 5/3/2006
Rep Smith, Adam [WA-9] - 4/12/2005
Rep Solis, Hilda L. [CA-32] - 12/13/2005
Rep Souder, Mark E. [IN-3] - 6/9/2005
Rep Strickland, Ted [OH-6] - 7/12/2005
Rep Sullivan, John [OK-1] - 9/14/2005
Rep Tauscher, Ellen O. [CA-10] - 5/4/2005
Rep Terry, Lee [NE-2] - 6/28/2005
Rep Thompson, Bennie G. [MS-2] - 12/13/2005
Rep Thompson, Mike [CA-1] - 6/21/2005
Rep Towns, Edolphus [NY-10] - 7/21/2005
Rep Visclosky, Peter J. [IN-1] - 6/9/2005
Rep Weller, Jerry [IL-11] - 7/19/2005
Rep Wexler, Robert [FL-19] - 5/4/2005
Rep Whitfield, Ed [KY-1] - 10/20/2005
Rep Wicker, Roger F. [MS-1] - 9/13/2005
Rep Wilson, Joe [SC-2] - 7/28/2005
Rep Wolf, Frank R. [VA-10] - 6/23/2005
Rep Woolsey, Lynn C. [CA-6] - 5/10/2006
Rep Wynn, Albert Russell [MD-4] - 3/2/2006