| Lee, Cheng-Chong, M.D. | Cardiology | Oakwood |
| Lee, Christopher, M.D. | Pediatric - Orthopedic Surgery | St. John Hospital |
| Lee, Michael, M.D. | Cardiovascular Surgery | St. John Providence |
| Leheta, Boris, M.D. | Neurology | St. John Health |
| Leider, Jeffrey, M.D. | Otolaryngology | Beaumont |
| Leisen, James, M.D. | Rheumatology | DMC/Huron Valley-Sinai |
| Leleszi, Jimmie, D.O. | Pediatric - Psychiatry | DMC/Children's Hospital |
| Leonard, Robert, M.D. | Oncology | St. John Health |
| Lesser, George Robert, M.D. | Ophthalmology | Beaumont |
| Leuchter, William, M.D. | Neurology | Beaumont |
| Levinson, Jay, M.D. | Gastroenterology | Beaumont |
| Levinson, Martin, M.D. | Pediatric - Pediatrics | Beaumont |
| Levitan, Jo Anne, M.D. | Hand Surgery | Beaumont |
| Levitt, Neil, M.D. | Rheumatology | Beaumont |
| Levy, Robert, M.D. | Neurology | Saint Joseph Mercy Health |
| Lewandowski, Christopher, M.D. | Emergency Medicine | Henry Ford |
| Lewis, Richard, M.D. | Neurology | DMC hospitals, Karmanos |
| Lewis, Scott, M.D. | Internal Medicine | Beaumont |
| Lewis, Zachary, D.O. | General Surgery | Oakwood |
| Lieh-Lai, Mary, M.D. | Pediatric - Critical Care Medicine | DMC/Children's Hospital |
| Lim, Henry, M.D. | Dermatology | Henry Ford |
| Lincoln, Denis, M.D. | Radiology | St. John Providence |
| Lisak, Robert, M.D. | Neurology | DMC/Harper Hospital, Karmanos |
| Lloyd, Larry, M.D. | General Surgery | Beaumont |
| Long, Graham, M.D. | General Vascular Surgery | Beaumont |
| Lorenzana, Adonis, M.D. | Pediatric - Oncology | St. John Health |
| Lubetsky, Michael, M.D. | Rheumatology | Henry Ford |
| Lulek, James, M.D. | General Surgery | Oakwood |
| Lutz, Michael, M.D. | Urology | Beaumont |
| Lynch, James, M.D. | Colon/Rectal Surgery | Beaumont |
| Lyons, Hernando, M.D. | Pediatric - Gastrointestinal | St. John Health |
| Madani, Shailender, M.D. | Pediatric - Gastrointestinal | DMC/Children's Hospital |
| Maddens, Michael, M.D. | Alzheimer's | Beaumont |
| Maddens, Michael, M.D. | Geriatric Medicine | Beaumont |
| Magdea, Ilie, M.D. | Allergy and Immunology | Oakwood |
| Magnell, Thomas, M.D. | Hand Surgery | Beaumont |
| Mahajan, Devinder, M.D. | Pulmonology | Oakwood |
| Main, Charles, M.D. | Pediatric - Oncology | Beaumont |
| Malafa, Mary, M.D. | Emergency Medicine | St. John Providence |
| Malik, Ghaus, M.D. | Neurological Surgery | Beaumont |
| Malinoff, Herbert, M.D. | Addiction Medicine | Saint Joseph Mercy Hospital |
| Mali, Vikram, M.D. | Pediatric - Pediatrics | Beaumont |
| Malone Jr., John, M.D. | Obstetrics/Gynecology | DMC/Detroit Receiving, Karmanos |
| Maltese, John, M.D. | Physical Medicine and Rehabilitation | Beaumont |
| Ma, Marson, M.D. | Emergency Medicine | St. John Health |