Exhibit A1. Specialty of PQRS-Reporting NPIs.
| Provider Specialty | Type | 2008 (Percent) | 2009 (Percent) |
|---|---|---|---|
| Emergency medicine | MS | 20.91 | 13.41 |
| Internal medicine | PC | 7.45 | 11.00 |
| Anesthesiology | MS | 11.30 | 9.18 |
| Family practice | PC | 5.33 | 8.76 |
| Diagnostic radiology | MS | 6.65 | 5.43 |
| Physician assistant | PA | 5.05 | 4.53 |
| Ophthalmology | MS | 4.82 | 4.43 |
| Cardiology | MS | 2.96 | 4.24 |
| CRNA | PA | 5.31 | 3.81 |
| Nurse practitioner | PA | 2.55 | 3.73 |
| Optometry | MS | 2.96 | 2.57 |
| Physical therapist | MS | 4.08 | 2.41 |
| Orthopedic surgery | SS | 1.40 | 2.13 |
| Pathology | MS | 3.05 | 2.05 |
| Dermatology | MS | 0.28 | 1.66 |
| Obstetrics/gynecology | SS | 0.41 | 1.53 |
| Hematology/oncology | MS | 1.54 | 1.44 |
| Gastroenterology | MS | 0.48 | 1.40 |
| General surgery | SS | 1.35 | 1.30 |
| Urology | SS | 1.12 | 1.28 |
| Pulmonary disease | MS | 0.61 | 1.12 |
| Neurology | MS | 0.63 | 1.11 |
| Podiatry | MS | 0.26 | 1.07 |
| Other | 13.95 | 17.64 | |
| Total | 100.00 | 100.00 |
NOTES: PC=Primary care; MS = Medical specialty; SS = surgical specialty; PA = physician assistant
SOURCE: Authors’analyses.