Characteristics of physicians who prescribed more than 10 claims per year for sacubitril/valsartan, angiotensin receptor blockers and/or angiotensin-converting enzyme inhibitors between 2015 and 2021
| Variables | Number of physicians, n (%) |
| All eligible physician prescribers | 220 147 |
| Specialty* | |
| Primary care specialty† | 194 840 (88.5) |
| Cardiology specialty other than heart failure specialists‡ | 24 562 (11.2) |
| Heart failure specialty§ | 745 (0.3) |
| Gender | |
| Male | 136 710 (62.1) |
| Female | 83 437 (37.9) |
| Years in practice¶ | |
| Less than 10 years | 38 311 (17.4) |
| 10–19 years | 55 408 (25.2) |
| 20–29 years | 56 422 (25.6) |
| 30 or more years | 70 006 (31.8) |
| Practice region | |
| Northeast | 44 187 (20.1) |
| South | 76 866 (34.9) |
| Midwest | 49 727 (22.6) |
| West | 46 988 (21.3) |
| US territories** | 2379 (1.1) |
| Graduated medical school ranking†† | |
| Top 20 US medical schools | 13 873 (6.3) |
| Top 21–50 US medical schools | 27 088 (12.3) |
| Other medical schools | 179 186 (81.4) |
*Specialty categorisation was based on the National Plan and Provider Enumeration System database.
†Primary care specialties included internal medicine, family medicine, general practice and hospitalist.
‡Cardiology specialty included cardiovascular disease, adult congenital heart disease, clinical cardiac electrophysiology, hypertension specialist and interventional cardiology.
§Heart failure specialty included advanced heart failure and transplant cardiology.
¶Years in practice were estimated from graduation year from medical school registered in the Centers for Medicare and Medicaid Services Physician and Clinician database as of 2021.
**US territories included Guam, Northern Mariana Islands, Puerto Rico and Virgin Islands.
††Graduated medical schools registered in the Physician and Clinician database was grouped into three categories based on 2023 US News and World Report medical school research ranking: top 20 US medical schools, top 21–50 US medical schools and other medical schools.