| Specialty offered | Number of Hospitals | Number of Postions** |
| Aerospace Medicine | 5 | 55 |
| Anesthesiology | 184 | 2104 |
| Child Neurology | 83 | 214 |
| Dermatology | 147 | 574 |
| Diagnostic Radiology/Nuclear Medicine | 3 | 3 |
| Emergency Medicine | 299 | 3290 |
| Emergency Medicine/Anesthesiology | 1 | 2 |
| Emergency Medicine/Family Medicine | 3 | 7 |
| Family Medicine | 830 | 1441 |
| Family Medicine/Osteopathic Neuromusculoskeletal Medicine | 1 | 2 |
| Family Medicine/Preventive Medicine | 2 | 2 |
| Internal Medicine | 697 | 14003 |
| Internal Medicine/Anesthesiology | 2 | 6 |
| Internal Medicine/Dermatology | 5 | 8 |
| Internal Medicine/Emergency Medicine | 13 | 34 |
| Internal Medicine/Emergency Medicine/Critical Care Medicine | 7 | 1 |
| Internal Medicine/Medical Genetics and Genomics | 6 | 6 |
| Internal Medicine/Pediatrics | 78 | 407 |
| Internal Medicine/Preventive Medicine | 5 | 9 |
| Internal Medicine/Psychiatry | 15 | 28 |
| Interventional Radiology-Integrated | 101 | 210 |
| Laboratory Genetics and Genomics | 39 | 54 |
| Medical Genetics and Genomics | 47 | 75 |
| Medical Genetics and Genomics/Maternal-Fetal Medicine | 5 | 4 |
| Neurological Surgery | 123 | 269 |
| Neurology | 198 | 1212 |
| Nuclear Medicine | 35 | 60 |
| Obstetrics and Gynecology | 307 | 1683 |
| Ophthalmology | 128 | 547 |
| Orthopaedic Surgery | 212 | 990 |
| Osteopathic Neuromusculoskeletal Medicine | 26 | 37 |
| Other | 2 | 0 |
| Otolaryngology-Head and Neck Surgery | 133 | 412 |
| Pathology-Anatomic and Clinical | 144 | 657 |
| Pediatrics | 219 | 3509 |
| Pediatrics/Anesthesiology | 6 | 9 |
| Pediatrics/Emergency Medicine | 4 | 9 |
| Pediatrics/Medical Genetics and Genomics | 28 | 34 |
| Pediatrics/Physical Medicine and Rehabilitation | 4 | 5 |
| Pediatrics/Psychiatry/Child and Adolescent Psychiatry | 11 | 29 |
| Physical Medicine and Rehabilitation | 115 | 550 |
| Plastic Surgery | 51 | 78 |
| Plastic Surgery-Integrated | 89 | 225 |
| Psychiatry | 354 | 2644 |
| Psychiatry/Family Medicine | 7 | 14 |
| Psychiatry/Neurology | 4 | 5 |
| Public Health and General Preventive Medicine | 42 | 144 |
| Radiation Oncology | 89 | 202 |
| Radiology-Diagnostic | 200 | 1282 |
| Reproductive Endocrinology and Infertility/Medical Genetics and Genomics | 1 | 1 |
| Surgery-General | 370 | 3256 |
| Surgery-General - Preliminary Track | 1 | 0 |
| Thoracic Surgery-Integrated | 36 | 56 |
| Transitional Year | 217 | 2445 |
| Urology | 153 | 423 |
| Vascular Surgery-Integrated | 81 | 110 |
