| Name | Track | Diplomate Status | Certified Date | Expires |
|---|---|---|---|---|
| Siyun Li | EM, NIOM, CNP | Diplomate | 5/21/2011 | 12/31/2021 |
| Wladimir T. Liberson | EEG | Diplomate | 12/31/1952 | Never |
| William E. Lievens | EM | Diplomate | 6/12/2021 | 12/31/2031 |
| Kenneth W. Lilik | CNP | Diplomate | 4/15/1984 | Never |
| Kuei-Cheng Lim | EM | Diplomate | 11/3/2012 | 12/31/2022 |
| Li Ling Lim | CNP | Diplomate | 10/3/2004 | 12/31/2014 |
| Shih-Hui Lim | CNP | Diplomate | 9/22/1990 | Never |
| Leonor Lim | CNP | Diplomate | 5/1/1983 | Never |
| Elinor Y. Lin | CNP | Diplomate | 6/15/2013 | 12/31/2023 |
| Marc A. Linden | CNP | Diplomate | 12/31/1983 | Never |
| Donald B. Lindsley | EEG | Diplomate | 12/31/1952 | Never |
| Joyce Liporace | CNP | Diplomate | 9/9/1995 | Never |
| Edward Liske | EEG | Diplomate | 12/31/1971 | Never |
| Brian Litt | CNP | Diplomate | 3/23/1996 | Never |
| Virginia B. Liu, M.D., Ph.D. | EM | Diplomate | 6/17/2023 | 12/31/2033 |
| Natarie D. Liu, M.D. | EM | International | 11/30/2019 | 12/31/2029 |
| Lynn Liu | EM | Diplomate | 9/24/2000 | 12/31/2030 |
| Eduardo Locatelli | EM | Diplomate | 4/24/2004 | 12/31/2014 |
| Alexandre Lockfeld | CNP | Diplomate | 3/23/1996 | Never |
| Tobias Loddenkemper | EM | Diplomate | 4/25/2009 | 12/31/2029 |
| Luisa Londono Hurtado, M.D. | EM | International | 11/20/2021 | 12/31/2031 |
| Anne A. Louis | CNP | Diplomate | 12/31/1989 | Never |
| Itai Loushy | EM | International | 6/17/2023 | 12/31/2033 |
| Hans Lowenbach | EEG | Diplomate | 12/31/1952 | Never |
| Aimee Liza F. Luat | EM | Diplomate | 6/23/2012 | 12/31/2032 |
|
1674 Certificants
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