Disclaimer: Certification by the American Board of Sleep Medicine does not in itself confer authority to practice medicine beyond the authority granted by a state that issues a license to practice medicine.
The American Board of Sleep Medicine throughout its history offered non-physicians, specifically PhDs, the opportunity to sit for its examination. Many PhD candidates over the years successfully passed the examination and received the designation "diplomate of the American Board of Sleep Medicine." This designation must not be interpreted to mean that the American Board of Sleep Medicine designation supersedes any state or federal law with regard to medical license requirements for the treatment of patients. Those who have successfully passed the exam MUST be careful not to practice medicine outside of their legal limits.
| Name | City | State | Specialty | Certified |
| Joseph A. Cable, D.O. | Pottsville | PA | Pulmonology | 4/23/2001 |
| Clement Cahan, M.D. | Jerusalem | Israel | Pulmonology | 4/22/1996 |
| E. Tomas Calderon, M.D. | Toledo | OH | Neurology | 4/6/1992 |
| J. Lynn Caldwell, Ph.D. | Fort Rucker | AL | Psychology | 4/6/1998 |
| William F. Cale, M.D. | Harrisonburg | VA | Pulmonology | 4/8/2002 |
| Daniel Francis Callahan, M.D. | Alpharetta | GA | Pulmonology | 4/14/2003 |
| John P. Callan, M.D. | Honolulu | HI | Pulmonology | 4/14/2003 |
| Sue Killion Cammarata, M.D. | Portage | MI | Pulmonology | 4/19/1993 |
| Mark A. Camp, M.D. | Norman | OK | Pulmonology | 4/15/2003 |
| Lisa M. Cannon, M.D. | Wychoff | NJ | Pulmonology | 9/20/2005 |
| Charles R. Cantor, M.D. | Philadelphia | PA | Neurology | 4/24/1995 |
| David E. Cantral, M.D. | Kearney | NE | Pulmonology | 4/11/1999 |
| Robert A. Capone, M.D. | Morristown | NJ | Pulmonology | 4/6/1992 |
| Deborah Cappell, M.D. | Riverdale | NY | Pulmonology | 3/22/2005 |
| William E. Caras, M.D. | Puyallup | WA | Pulmonology | 4/15/2003 |
| Roxana I. Carcelen, M.D. | Birmingham | AL | Pulmonology | 3/24/2004 |
| Kelly Anna Carden, M.D. | Roslindale | MA | Pulmonology | 3/23/2005 |
| Richard Craig Cardillo, M.D. | Fort Wayne | IN | Pulmonology | 9/20/2005 |
| Paul Joseph Cardosi, M.D. | The Dalles | OR | Internal Medicine | 4/8/2002 |
| Brian W. Carlin, M.D. | Pittsburgh | PA | Pulmonology | 4/23/2001 |
| Dawn M. Carlson, M.D. | Abbott Park | IL | Pulmonology | 4/24/1995 |
| Cheryl M. Carlucci, M.D. | Tampa | FL | Neurology | 4/24/1989 |
| Laurence C. Carmichael, M.D. | Sheffield | AL | Pulmonology | 4/8/2002 |
| Margaret-Ann Carno, Ph.D. | Rochester | NY | Nursing | 9/19/2006 |
| Samuel H. Carranza, M.D. | Tampa | FL | Pulmonology | 4/6/1998 |
| Mary A. Carskadon, Ph.D. | East Providence | RI | Sleep Disorders | 7/1/1980 |
| James Joseph Carswell, M.D. | Charleston | SC | Pulmonology | 9/20/2005 |
| Gregory S. Carter, M.D. | Dallas | TX | Neurology | 4/8/2002 |
| Thomas R. Cartwright, M.D. | Indianapolis | IN | Pulmonology | 4/19/1993 |
| Rosalind Cartwright, Ph.D. | Chicago | IL | Psychology | 7/1/1980 |
| Brendan Caruana Montaldo, M.D. | Sliema | Malta | Pulmonology | 4/11/1999 |
| Alfred C. Caruso, M.D. | Kansas City | MO | Pulmonology | 4/28/1997 |
| Paula G. Carvalho, M.D. | Boise | ID | Pulmonology | 4/15/2003 |
| James L. Case, M.D. | Dakota Dunes | SD | Neurology | 4/25/1994 |
| Kenneth R. Casey, M.D. | Salt Lake City | UT | Pulmonology | 4/24/1995 |
| Richard E. Casey, M.D. | Mandeville | LA | Pulmonology | 4/16/2003 |
| Margaret Anne Cashman, M.D. | Seattle | WA | Psychiatry | 6/16/1986 |
| Agustin Castellanos, M.D. | Palm Beach Gardens | FL | Neurology | 4/25/1994 |
| Richard J. Castriotta, M.D. | Houston | TX | Pulmonology | 4/24/1989 |
| Ronald D. Cates, M.D. | Athens | TX | Family Practice | 4/15/2003 |
| Steven E. Cattapan, M.D. | Madison | WI | Pulmonology | 3/24/2004 |
| Juliana Cepelowicz Rajter, M.D. | Ft. Lauderdale | FL | Pulmonology | 9/19/2006 |
| Maureen Nicole Ceresney, M.D. | Vancouver | British Columbia | Psychiatry | 9/19/2006 |
| Federico Cerrone, M.D. | Springfield | NJ | Pulmonology | 4/6/1998 |
| Manuel I. Cervoni, M.D. | Fort Wayne | IN | Pulmonology | 4/11/1999 |
| Mindy B. Cetel, M.D. | Escondido | CA | Neurology | 4/6/1992 |
| Juan P. Cevallos, M.D. | Zephyrhills | FL | Pulmonology | 4/6/1998 |
| Kamal Chaban, M.D. | Sandusky | OH | Pulmonology | 4/17/2000 |
| Ramesh Chadalavada, M.D. | Goodlettsville | TN | Pulmonology | 4/14/2003 |
| Jang B. Chadha, M.D. | Forest Hills | NY | Pulmonology | 4/28/1997 |
| Amrit Lal Chadha, M.D. | Springfield | OH | Neurology | 3/22/2005 |
| Sangeeta Chakravorty, M.B., B.S. | Wexford | PA | Neurology | 3/24/2004 |
| Sridar Chalaka, M.D. | Mukilteo | WA | Pulmonology | 4/16/2003 |
| Michel Nabih Chalhoub, M.D. | Pulmonology | 4/16/2003 | ||
| Mark J. Chambers, Ph.D. | Las Vegas | NV | Clinical Psychology | 4/25/1994 |
| Kateri Agnes Champagne, M.D. | Westmount | QC | Pulmonology | 4/8/2002 |
| Siu-pun Chan, M.B., B.S. | Staten Island | NY | Pediatrics | 3/22/2005 |
| Victoria M. Chan, M.D. | Richmond Hill | ON | Pulmonology | 4/23/2001 |
| Linda S. Chan, M.D. | Glen Ellyn | IL | Pulmonology | 3/23/2005 |
| Khaled Chan, M.D. | Westminster | CA | Pulmonology | 3/24/2004 |
| Sreenvasa Rao Chanamolu, M.B., B.S. | Internal Medicine | 9/19/2006 | ||
| Anuj Chandra, M.B., B.S. | Chattanooga | TN | Internal Medicine | 3/23/2005 |
| Thongadi R. Chandrahasa, M.B.,B.S. | Port Charlotte | FL | Pulmonology | 3/24/2004 |
| Ravi T. Chandran, M.B., B.S. | Central | SC | Pulmonology | 4/17/2003 |
| John Christopher Chaney, M.D. | San Antonio | TX | Pulmonology | 3/23/2005 |
| Samuel Chang, M.D. | Santa Monica | CA | Internal Medicine | 9/19/2006 |
| Jesse Limmon Chang, M.D. | Los Angeles | CA | Internal Medicine | 9/20/2005 |
| Ryan C. Chang, M.D. | Walnut Creek | CA | Pulmonology | 9/20/2005 |
| Morris Bosang Chang, M.D. | Des Moines | WA | Neurology | 4/8/2002 |
| Judy L. Chang, M.D. | Santa Clara | CA | Neurology | 3/24/2004 |
| Satya Bhanu Chaparala, M.D. | Battle Creek | MI | Pulmonology | 4/8/2002 |
| Edwin H. Charnock, M.D. | De Soto | TX | Neurology | 4/11/1999 |
| Irena M. Charysz-Birski, M.D. | Moline | IL | Neurology | 3/24/2004 |
| Wissam M. F. Chatila, M.D. | Philadelphia | PA | Pulmonology | 4/11/1999 |
| Barbara Chatr-Aryamontri, M.D. | New Paltz | NY | Pulmonology | 4/17/2003 |
| Deelip Chatterjee, M.B.,B.S. | Franklin Lakes | NJ | Pulmonology | 3/22/2005 |
| Bashir A. Chaudhary, M.D. | Augusta | GA | Pulmonology | 4/19/1993 |
| Mehboob K. Chaudhry, M.D. | Monroeville | PA | Pulmonology | 9/20/2005 |
| Bilal Khalid Chaudhry, M.D. | Lancaster | PA | Pulmonology | 4/16/2003 |
| Sanjay Chavda, M.D. | Hopkinsville | KY | Pulmonology | 3/22/2005 |
| Shalinee Chawla, M.D. | Farmingdale | NY | Pulmonology | 3/22/2005 |
| Anwantbir S. Chawla, M.D. | Slidell | LA | Psychiatry | 4/6/1992 |
| Natalio J. Chediak, M.D. | Boca Raton | FL | Neurology | 4/25/1994 |
| Alejandro D. Chediak, M.D. | Miami Beach | FL | Pulmonology | 4/23/1990 |
| Thomson K. Chemplavil, M.D. | Henderson | NV | Pulmonology | 4/23/2001 |
| Wynne Chen, M.D. | Palo Alto | CA | Pulmonology | 3/23/2005 |
| Ho-Kan Cheng, M.D. | Marlton | NJ | Pulmonology | 4/14/2003 |
| Jauhtai J.Cheng, M.D. | Sand City | CA | Neurology | 3/24/2004 |
| Igor Chernyavskiy, M.D. | Lake Grove | NY | Pulmonology | 3/22/2005 |
| Ronald D. Chervin, M.D. | Ann Arbor | MI | Neurology | 4/25/1994 |
| Andrew L. Chesson, Jr., M.D. | Shreveport | LA | Neurology | 6/16/1986 |
| Timothy M. Chestnut, M.D. | Spokane | WA | Pulmonology | 4/29/1991 |
| Ka Ling Cheung, M.D. | Walnut Creek | CA | Pulmonology | 3/24/2004 |
| John Thomas Chewning, M.D. | Pfafftown | NC | Neurology | 4/16/2003 |
| Ambrose An-Po Chiang, M.D. | Henderson | NC | Pulmonology | 4/8/2002 |
| Lawrence T. Ch'ien, M.D. | Chattanooga | TN | Neurology | 4/24/1995 |
| Annette Marie Chihorek, M.D. | Auburn | CA | Neurology | 9/19/2006 |
| Milton Douglas Childress, M.D. | Duxbury | MA | Neurology | 4/8/2002 |
| Barbara A. Chini, M.D. | Cincinnati | OH | Pulmonology | 4/16/2003 |
| Giridhar Chintalapudi, M.D. | Pinehurst | NC | Neurology | 4/8/2002 |
| Jirayos Chintanadilok, M.D. | Marianna | FL | Pulmonology | 4/16/2003 |
| Ronald C. Chisholm, Ph.D. | Evansville | IN | Psychology | 6/16/1986 |
| Tanvir A. Chodri, M.D. | Asheboro | NC | Pulmonology | 3/22/2005 |
| Weekon Choi, M.D. | Englewood Cliffs | NJ | Pulmonology | 9/20/2005 |
| Sudhansu Chokroverty, M.D. | New York | NY | Neurology | 4/24/1989 |
| Wesley H. Chou, M.D. | Bowling Green | KY | Neurology | 4/11/1999 |
| M. Saleem Choudhry, M.D. | Psychiatry | 4/22/1996 | ||
| Susmita Chowdhuri, M.D. | Montgomery | AL | Pulmonology | 4/23/2001 |
| James A. Christon, M.D. | Pocatello | ID | Pulmonology | 4/6/1998 |
| John J. Chronakos, M.D. | Brookfield | CT | Pulmonology | 3/22/2005 |
| Ching-Chiang Allen Chu, M.D., Ph.D. | Houston | TX | Neurology | 4/17/2000 |
| Willy Ng Chua, M.D. | Pulmonology | 4/25/1994 | ||
| Gwynne Dania Church, M.D. | San Francisco | CA | Pediatrics | 9/19/2006 |
| Andrew Vincent Cichelli, M.D. | Statesboro | GA | Pulmonology | 3/24/2004 |
| David M. Claman, M.D. | San Francisco | CA | Pulmonology | 4/24/1995 |
| Keith M. Clance, M.D. | Greensboro | NC | Pulmonology | 4/16/2003 |
| John D. Clark, M.D. | Spartanburg | SC | Pulmonology | 4/17/2000 |
| Robert W. Clark, M.D. | Columbus | OH | Neurology | 4/5/1978 |
| Gregory L. Clark, M.D. | Clackamas | OR | Neurology | 4/18/1988 |
| Heidi A. Clay, M.D. | Blacksburg | VA | Psychiatry | 4/6/1998 |
| Joe F. Clements, M.D. | Athens | GA | Pulmonology | 4/11/1999 |
| William Eric Clemons, M.D. | Knoxville | TN | Neurology | 9/20/2005 |
| Alex A. Clerk, M.D. | San Jose | CA | Psychiatry | 4/29/1991 |
| Dennis P. Clifford, M.D. | Evergreen | CO | Pulmonology | 4/15/2003 |
| John Carroll Cline, Ph.D. | Wallingford | CT | Psychology | 9/20/2005 |
| Tom V. Cloward, M.D. | Salt Lake City | UT | Pulmonology | 4/11/1999 |
| Michael E. Coats, M.D. | Coeur D'Alene | ID | Psychiatry/Neurology | 4/23/2001 |
| Orr M. Cobb, M.D. | Greenwood | SC | Pulmonology | 4/23/2001 |
| David A. Cocanower, M.D. | Evansville | IN | Pulmonology | 4/28/1997 |
| John Wesley Cochran, M.D. | Oakton | VA | Neurology | 4/15/2003 |
| Vinette E. Coelho-D'Costa, M.D. | Parsippany | NJ | Pulmonology | 9/19/2006 |
| Daniel Aaron Cohen, M.D. | Jamaica Plain | MA | Neurology | 9/19/2006 |
| Carol A. Cohen, M.D. | Decatur | IL | Pulmonology | 4/14/2003 |
| Barry A. Cohen, M.D. | Livingston | NJ | Pediatric Pulmonology | 3/25/2004 |
| Michael L. Cohen, M.D. | Walnut Creek | CA | Pulmonology | 4/23/2001 |
| Martin A. Cohn, M.D. | Naples | FL | Pulmonology | 4/5/1978 |
| Charles P. Cole, M.D. | Johnson City | TN | Pulmonology | 4/8/2002 |
| Jeremy Cole, M.D. | Edmund | OK | Pulmonology | 4/15/2003 |
| Daniel E. Cole, M.D. | Apo | AP | Pulmonology | 9/19/2006 |
| Charles Stephen Coleman, M.D. | Portsmouth | VA | Neurology | 4/11/1999 |
| Richard M. Coleman, Ph.D. | Ross | CA | Psychology | 10/30/1981 |
| Frank Saverio Coletta, M.D. | Valley Stream | NY | Pulmnology | 9/20/2005 |
| John B. Coll, D.O. | Dover | DE | Neurology | 4/22/1996 |
| Dale Arold Coller, D.O. | Byron Center | MI | Pulmonology | 3/22/2005 |
| John B. Collier, M.D. | Las Vegas | NV | Pulmonology | 4/22/1996 |
| Roslinde M. Collins, M.D. | Bangor | ME | Pulmonology | 4/14/2003 |
| Nancy A. Collop, M.D. | Jackson | MS | Pulmonology | 4/28/1997 |
| Gregory Myrus Colodner, M.D. | New Haven | CT | Pulmonology | 4/14/2003 |
| Pamela A. Combs, M.D. | Paris | KY | Internal Medicine | 4/6/1998 |
| Cynthia L. Comella, M.D. | Chicago | IL | Neurology | 4/22/1996 |
| Jacques R. Conaway, M.D. | Baltimore | MD | Pulmonology | 4/23/2001 |
| William N. Confer, Ph.D. | Huntsville | AL | Clinical Psychology | 4/6/1998 |
| William Sean Conlon, M.D. | Fort Collins | CO | Otolaryngology | 3/22/2005 |
| James W. Conn, M.D. | Tampa | FL | Psychiatry | 4/18/1988 |
| Michael G. Connolly, M.D. | Alabaster | AL | Pulmonology | 4/23/2001 |
| Heidi V. Connolly, M.D. | Rochester | NY | Pulmonology | 4/15/2003 |
| Timothy Adrian Connolly, M.D. | Pearland | TX | Pulmonology | 9/19/2006 |
| W. Stroud Connor, M.D. | Neurology | 4/24/1989 | ||
| Arthur K. Conrad, M.D. | Bend | OR | Pulmonology | 4/23/2001 |
| Deirdre Ann Conroy, PhD | Ann Arbor | MI | Psychology | 9/20/2005 |
| Flavia B. Consens, M.D. | Ann Arbor | MI | Neurology | 4/23/2001 |
| Yvette R. Cook, M.D. | Cary | NC | Neurology | 4/23/1990 |
| Robert M. Cook, M.D. | Janesville | WI | Pulmonology | 4/17/2003 |
| Timothy Richard Cook, M.D. | North Little Rock | AR | Pulmonology | 3/22/2005 |
| Gregory E. Cooper, M.D. | Lexington | KY | Neurology | 4/16/2003 |
| Joanna A. Cooper, M.D. | Berkeley | CA | Neurology | 4/28/1997 |
| Francis C. Cordova, M.D. | Philadelphia | PA | Pulmonology | 4/6/1998 |
| David E. Corley, M.D. | Bremerton | WA | Pulmonology | 4/16/2003 |
| Edmund Webster Cornman, M.D. | Midlothian | VA | Neurology | 3/24/2004 |
| Peter E. Corrigan, M.D. | Bedford | NH | Pulmonology | 4/11/1999 |
| Bruce C. Corser, M.D. | Cincinnati | OH | Pulmonology | 4/22/1996 |
| Wilfred A. Corson, M.D. | Minneapolis | MN | Pulmonology | 6/26/1987 |
| Erasto Cortes, M.D. | El Paso | TX | Internal Medicine | 4/6/1998 |
| Leonard Y. Cosmo, M.D. | Tampa | FL | Pulmonology | 4/23/2001 |
| Constantino Costarangos, M.D. | Miami | FL | Pulmonology | 4/24/1995 |
| Anthony M. Costrini, M.D. | Savannah | GA | Pulmonology | 4/23/1990 |
| Terence D. Coulter, M.D. | Springfield | MO | Pulmonology | 4/8/2002 |
| Robert Edward Cox, M.D. | Edwonds | WA | Pulmonology | 4/14/2003 |
| John A. Cox Jr., M.D. | Lawton | OK | Pulmonology | 4/24/1995 |
| Jeffrey N. Cox, M.D. | Rock Hill | SC | Pulmonology | 4/17/2000 |
| Phillip J. Cozzi, M.D. | Elmhurst | IL | Pulmonology | 4/11/1999 |
| A. Romeo Craciun, M.D. | Cleveland | OH | Neurology | 4/28/1997 |
| Michel A. Cramer Bornemann, M.D. | St. Paul | MN | Pulmonology | 4/16/2003 |
| Ronald G. Cridland, M.D. | Calgary | AB | Internal Medicine | 4/11/1999 |
| Maria Isabel L. Crisostomo, M.D. | Lombard | IL | Pulmonology | 4/17/2000 |
| Arthur C. Crisostomo, M.D. | Menomonee Falls | WI | Pulmonology | 4/17/2000 |
| Joseph Crocetti, D.O. | Pulmonology | 4/23/2001 | ||
| John William Cronin, M.D. | Del Mar | CA | Pulmonology | 3/22/2005 |
| Stephen Nathaniel Crowe, M.D. | Canfield | OH | Family Practice | 3/22/2005 |
| Antonio Culebras, M.D. | Syracuse | NY | Neurology | 4/24/1989 |
| Joseph M. Cullen, M.D. | Prior Lake | MN | Neurology | 4/24/1989 |
| Olimpio F. Cunha, M.D. | Neurology | 4/23/1990 | ||
| Joseph H. Cunningham, M.D. | Gahanna | OH | Pulmonology | 4/23/2001 |
| Charles J. Curatalo, M.D. | Santa Barbara | CA | Neurology | 4/19/1993 |
| Cynthia Agbunag Curioso-Uy, M.D. | Ridgefield | CT | Pulmonology | 4/8/2002 |
| James E. Curlee, Jr., D.O. | Georgetown | TX | Pulmonology | 9/20/2005 |
| Donald James Curran, D.O. | Cottonwood | AZ | Psychiatry/Family Practice | 9/20/2005 |
| James Michael Cygan, M.D. | Wassau | WI | Pulmonology | 3/23/2005 |
| Charles Czeisler, M.D., Ph.D. | Boston | MA | Sleep Disorders Medicine | 3/4/1982 |
