NPI numbers in Connecticut
105,470 active NPIs list a practice location in Connecticut.
85,134 individuals and 20,336 organizations. Connecticut ranks #29 of 56 states and territories.
Look up a provider in Connecticut
Most common specialties in Connecticut
| Primary specialty | Active NPIs | Share |
|---|---|---|
| Clinical Social Worker | 9,170 | 8.7% |
| Student in an Organized Health Care Education/Training Program | 5,045 | 4.8% |
| Physical Therapist | 3,974 | 3.8% |
| Professional Counselor | 3,476 | 3.3% |
| Pharmacist | 3,266 | 3.1% |
| Internal Medicine Physician | 3,124 | 3.0% |
| Family Nurse Practitioner | 2,814 | 2.7% |
| Mental Health Counselor | 2,762 | 2.6% |
| Marriage & Family Therapist | 2,499 | 2.4% |
| General Practice Dentistry | 2,494 | 2.4% |
| Social Worker | 2,183 | 2.1% |
| Physician Assistant | 2,060 | 2.0% |
| Behavior Technician | 1,946 | 1.8% |
| Occupational Therapist | 1,799 | 1.7% |
| Speech-Language Pathologist | 1,793 | 1.7% |
Counts are active NPIs in the NPPES file of September 13, 2026, by the state of the practice location and each provider's primary specialty. They count records, not practicing clinicians.