A psychologist may also bill for this code. Here is a direct passage from Noridian about what codes each type of professional can bill:
Only the following types of individuals, when they are performing within their authorized scope of clinical practice under the state law where the service is performed, are qualified to perform the indicated diagnostic and/or therapeutic psychological services under the “incident to” provision:
1. Doctorate level psychologists (Specialty Code 68): 90801, 90802, 90804, 90806, 90808, 90810, 90812, 90814, 90816, 90818, 90821, 90823, 90826, 90828, 90845, 90846, 90847, 90849, 90853, 90857, 90880, 90899
2. Doctorate or Masters level social workers (Specialty Code 80): 90801, 90802, 90804, 90806, 90808, 90810, 90812, 90814, 90816, 90818, 90821, 90823, 90826, 90828, 90846, 90847, 90849, 90853, 90857, 90899
3. Nurse Practitioners (NPs) (Specialty Code 50): 90801, 90802, 90804, 90806, 90808, 90810, 90812, 90814, 90816, 90818, 90821, 90823, 90826, 90828, 90846, 90847, 90849, 90853, 90857, 90880, 90899, (Also, if authorized by the state to prescribe medication: 90862, 90805, 90807, 90809, 90811, 90813, 90815, 90817, 90819, 90822, 90824, 90827, 90829)
4. Clinical Nurse Specialists (CNSs) (Specialty Code 89): 90801, 90802, 90804, 90806, 90808, 90810, 90812, 90814, 90816, 90818, 90821, 90823, 90826, 90828, 90846, 90847, 90849, 90853, 90857, 90880, 90899, (Also, if authorized by the state to prescribe medication: 90862, 90805, 90807, 90809, 90811, 90813, 90815, 90817, 90819, 90822, 90824, 90827, 90829)
5. Other psychotherapists licensed by the state to perform psychotherapy, e.g., licensed marriage and family therapists: 90804, 90806, 90808, 90810, 90812, 90814, 90846, 90847, 90849, 90857, 90880, 90899)