Table 3. Use of Pediatric vs Internal Medicine– and Adult-Trained Subspecialists in T-MSIS Dataseta.
| Subspecialty | No. of subspecialists with ≥1 pediatric visit (% total) | Subspecialist use rate per 1000 beneficiaries for calendar year 2019, age group | |||
|---|---|---|---|---|---|
| <1 y | 1-11 y | 12-18 y | All | ||
| Allergy and immunology | |||||
| Pediatric | 242 (8.8) | 0.5 | 1.2 | 0.8 | 1.0 |
| Internal medicine | 2522 (91.2) | 2.3 | 11.8 | 10.4 | 10.8 |
| Cardiology | |||||
| Pediatric | 1869 (31.2) | 16.1 | 8.0 | 7.9 | 8.4 |
| Internal medicine | 4112 (68.8) | 0.4 | 0.4 | 1.0 | 0.6 |
| Dermatologyb | |||||
| Pediatric dermatology | 237 (5.0) | 3.4 | 6.5 | 13.4 | 8.7 |
| Dermatology | 4510 (95.0) | 1.4 | 1.7 | 2.3 | 1.9 |
| Endocrinology | |||||
| Pediatric | 1072 (39.3) | 3.0 | 5.0 | 9.3 | 6.4 |
| Internal medicine | 1659 (60.7) | 0.1 | 0.2 | 0.7 | 0.3 |
| Gastroenterology | |||||
| Pediatric | 1261 (26.6) | 8.5 | 7.7 | 7.3 | 7.6 |
| Internal medicine | 3471 (73.4) | 0.1 | 0.1 | 0.9 | 0.4 |
| Hematology and oncology | |||||
| Pediatric | 1689 (53.9) | 4.7 | 4.7 | 4.2 | 4.5 |
| Internal medicine | 1444 (46.1) | 0.1 | 0.2 | 0.3 | 0.2 |
| Infectious diseases | |||||
| Pediatric | 641 (39.6) | 4.5 | 2.6 | 1.6 | 2.3 |
| Internal medicine | 979 (60.4) | 0.4 | 0.3 | 0.6 | 0.4 |
| Nephrology | |||||
| Pediatric | 516 (36.3) | 2.4 | 2.1 | 2.4 | 2.2 |
| Internal medicine | 906 (63.7) | 0.1 | 0.2 | 0.5 | 0.3 |
| Neurologyb | |||||
| Child neurology | 1204 (21.9) | 3.5 | 7.5 | 7.5 | 7.2 |
| Neurology | 4297 (78.1) | 0.9 | 2.4 | 3.9 | 2.8 |
| Pulmonology | |||||
| Pediatric | 826 (44.9) | 3.6 | 6.1 | 3.6 | 5.1 |
| Internal medicine | 1013 (55.1) | 0.1 | 0.2 | 0.3 | 0.2 |
| Rheumatology | |||||
| Pediatric | 274 (22.7) | 0.5 | 0.7 | 1.2 | 0.9 |
| Internal medicine | 934 (77.3) | <0.1 | 0.1 | 0.3 | 0.2 |
Abbreviation: T-MSIS, Transformed Medicaid Statistical Information System.
a
Includes Medicaid beneficiaries in calendar year 2019.
b
Not subspecialities of pediatrics and internal medicine, although there are within-specialty pediatric specializations (ie, pediatric dermatology and child neurology).