Statewide totals
| Active NPI records | 101,443 |
| Registered sole proprietors | 25,309 (24.9%) |
In Connecticut, the 24.9% sole-proprietor share means that 25,309 of the 101,443 active NPI records are flagged this way. The flag is self-reported and is an imperfect proxy for private practice, so it should be read as a registry classification rather than a complete measure of practice ownership or structure.
Largest specialties in this state
| Specialty | Active NPIs |
|---|---|
| Clinical Social Worker | 8,052 |
| Student in an Organized Health Care Education/Training Program | 6,384 |
| Physical Therapist | 3,747 |
| Internal Medicine Physician | 3,224 |
| Pharmacist | 3,217 |
| Professional Counselor | 2,970 |
| Mental Health Counselor | 2,902 |
| Family Nurse Practitioner | 2,340 |
| Marriage & Family Therapist | 2,328 |
| Social Worker | 2,326 |
| General Practice Dentistry | 2,325 |
| Physician Assistant | 2,222 |
| Counselor | 1,732 |
| Occupational Therapist | 1,709 |
| Speech-Language Pathologist | 1,682 |
| Behavior Technician | 1,527 |
| Chiropractor | 1,395 |
| Behavior Analyst | 1,393 |
| Registered Nurse | 1,264 |
| Psychiatry Physician | 1,249 |
| Pediatrics Physician | 1,210 |
| Clinical Psychologist | 1,199 |
| Family Medicine Physician | 1,173 |
| Dentist | 1,163 |
| Addiction (Substance Use Disorder) Counselor | 1,156 |
| Nurse Practitioner | 1,061 |
| Optometrist | 1,044 |
| Psychiatric/Mental Health Nurse Practitioner | 969 |
| Durable Medical Equipment & Medical Supplies | 949 |
| Medical Physician Assistant | 901 |
| Registered Dietitian | 893 |
| Emergency Medicine Physician | 788 |
| Specialist | 766 |
| Community/Behavioral Health Agency | 757 |
| Obstetrics & Gynecology Physician | 753 |
| Anesthesiology Physician | 734 |
| Psychologist | 731 |
| Certified Registered Nurse Anesthetist | 715 |
| Athletic Trainer | 666 |
| Surgical Physician Assistant | 635 |
Common questions
What does the Connecticut total represent?
It represents 101,443 active NPI records with a practice location in Connecticut.
Which specialties are largest in the registry?
The largest are Clinical Social Worker (8,052), Student in an Organized Health Care Education/Training Program (6,384), Physical Therapist (3,747), Internal Medicine Physician (3,224), and Pharmacist (3,217).
How should I interpret the sole-proprietor figure?
A total of 25,309 records, or 24.9%, are flagged as sole proprietors. This flag is self-reported and an imperfect proxy for private practice.
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