ABMS member boards certify in 40 specialties and 89 subspecialties.
Here are the 10 medical specialties with the fewest board-certified members:
- Colon and rectal surgery: 2,627
- Medical genetics and genomics: 2,632
- Nuclear medicine: 4,341
- Thoracic surgery: 5,824
- Allergy and immunology: 6,078
- Neurological surgery: 6,384
- Plastic surgery: 8,642
- Physical medicine and rehabilitation: 12,277
- Urology: 13,519
- Preventive medicine: 14,456
