| Specialty offered | Number of Hospitals | Number of Postions** |
| Aerospace Medicine | 5 | 7 |
| Anesthesiology | 172 | 23 |
| Child Neurology | 79 | 20 |
| Dermatology | 145 | 5 |
| Diagnostic Radiology/Nuclear Medicine | 3 | 2 |
| Emergency Medicine | 288 | 555 |
| Emergency Medicine/Anesthesiology | 1 | 0 |
| Emergency Medicine/Family Medicine | 3 | 5 |
| Family Medicine | 774 | 585 |
| Family Medicine/Osteopathic Neuromusculoskeletal Medicine | 1 | 0 |
| Family Medicine/Preventive Medicine | 2 | 1 |
| Internal Medicine | 635 | 693 |
| Internal Medicine - Categorical Track | 1 | 9 |
| Internal Medicine - Preliminary Track | 2 | 0 |
| Internal Medicine/Anesthesiology | 2 | 4 |
| Internal Medicine/Dermatology | 5 | 3 |
| Internal Medicine/Emergency Medicine | 12 | 13 |
| Internal Medicine/Emergency Medicine/Critical Care Medicine | 6 | 0 |
| Internal Medicine/Medical Genetics and Genomics | 5 | 4 |
| Internal Medicine/Pediatrics | 77 | 322 |
| Internal Medicine/Preventive Medicine | 5 | 6 |
| Internal Medicine/Psychiatry | 15 | 14 |
| Interventional Radiology-Integrated | 96 | 102 |
| Laboratory Genetics and Genomics | 3 | 1 |
| Medical Genetics and Genomics | 47 | 37 |
| Medical Genetics and Genomics/Maternal-Fetal Medicine | 3 | 0 |
| Neurological Surgery | 117 | 114 |
| Neurology | 184 | 12 |
| Nuclear Medicine | 35 | 23 |
| Obstetrics and Gynecology | 297 | 15 |
| Ophthalmology | 125 | 153 |
| Orthopaedic Surgery | 209 | 491 |
| Osteopathic Neuromusculoskeletal Medicine | 25 | 14 |
| Other | 3 | 0 |
| Otolaryngology-Head and Neck Surgery | 131 | 189 |
| Pathology-Anatomic and Clinical | 143 | 346 |
| Pediatrics | 218 | 99 |
| Pediatrics/Anesthesiology | 6 | 4 |
| Pediatrics/Emergency Medicine | 4 | 9 |
| Pediatrics/Medical Genetics and Genomics | 24 | 19 |
| Pediatrics/Physical Medicine and Rehabilitation | 3 | 1 |
| Pediatrics/Psychiatry/Child and Adolescent Psychiatry | 10 | 18 |
| Physical Medicine and Rehabilitation | 108 | 9 |
| Plastic Surgery | 49 | 23 |
| Plastic Surgery-Integrated | 89 | 115 |
| Psychiatry | 314 | 24 |
| Psychiatry/Family Medicine | 6 | 8 |
| Psychiatry/Neurology | 4 | 4 |
| Public Health and General Preventive Medicine | 41 | 61 |
| Radiation Oncology | 89 | 95 |
| Radiology-Diagnostic | 197 | 780 |
| Reproductive Endocrinology and Infertility/Medical Genetics and Genomics | 1 | 0 |
| Surgery-General | 360 | 564 |
| Surgery-General - Preliminary Track | 3 | 0 |
| Thoracic Surgery-Integrated | 34 | 28 |
| Transitional Year | 193 | 230 |
| Urology | 150 | 173 |
| Vascular Surgery-Integrated | 77 | 54 |
