2026 Hospital Insurance Internal Medicine 
ABIM
JUNE 24, 2025
Of note, 14,777 physicians have been ABIM Board Certified in Hematology since it was first offered in 1972, with 10,730 currently maintaining valid certification and 7,445 simultaneously maintaining certification in internal medicine. Most (49.5%) are in single-specialty group practice or multi-specialty group practice (38%).
ABIM
JUNE 4, 2025
Highlights from the data so far show that 91% of respondents are clinically active, with a large majority practicing in hospital- or system-owned offices, private practice or academic faculty practice, and more than half in multi-specialty group practice. Community Practice in ABIM Governance* Erica N.
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