Physicians' average age by specialty 

The average age of a physician is 53.2 years old as of 2021, according to data firm Definitive Healthcare. 

Definitive Healthcare analyzed more than 800,000 healthcare physicians tracked in its database with a reported birth year.

Here are the specialties with the highest average ages of physicians:

1. Cardiac surgery: 58
2. General practice: 58
3. Forensic psychiatry: 58
4. Clinical neuropsychologist: 58
5. Addiction medicine: 57
6. Nuclear medicine radiology: 57
7. Adolescent medicine: 56
8. Occupational medicine: 56
9. Preventive medicine: 56
10. Geriatric psychiatry: 56
11. Thoracic surgery: 56
12. Allergy/immunology: 55
13. Cardiologist: 55
14. Obstetrics-gynecology: 55
15. Ophthalmology: 55
16. Neurosurgery: 55
17. Orthopedic surgery: 55
18. Plastic and reconstructive surgery: 55
19. Urology: 55
20. Reproductive endocrinology: 54

Here are the specialties with the lowest average ages of physicians:

1. Hospitalist: 43
2. Sports medicine: 46
3. Pediatric rheumatology : 47
4. Osteopathic manipulative medicine: 47
5. Pediatric emergency medicine: 47
6. Hospice and palliative care: 48
7. Pediatric critical care (intensivists): 48
8. Critical care (intensivists): 48
9. Pediatric anesthesiologist: 48
10. Interventional radiology: 49
11. Pain management: 49
12. Pediatric hematology/oncology: 49
13. Pediatric gastroenterology : 49
14. Pediatric endocrinology: 49
15. Emergency medicine: 49
16. Pediatric cardiologist: 49
17. Surgical oncology: 50
18. Sleep medicine: 50
19. Pediatric medicine: 50
20. Pediatric otolaryngology: 50