State provider hub
Connecticut NPI Registry - Provider Lookup
Look up NPI numbers for healthcare providers in Connecticut, searchable by name, specialty, and city, drawn from the public CMS NPPES data file.
104,574
providers & organizations
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Top specialties in Connecticut
Social Worker 11,260 Counselor 8,540 Nurse Practitioner 7,175 Internal Medicine 6,023 Student in an Organized Health Care Education/Training Program 5,281 Dentist 4,801 Physical Therapist 4,184 Physician Assistant 4,003 Pharmacist 3,650 Marriage & Family Therapist 2,490 Psychologist 2,404 Clinic/Center 2,391 Psychiatry & Neurology 2,226 Occupational Therapist 2,099 Behavior Technician 1,870 Pediatrics 1,771 Speech-Language Pathologist 1,766 Chiropractor 1,556 Behavior Analyst 1,516 Family Medicine 1,349 Registered Nurse 1,235 Pharmacy 1,117 Optometrist 1,116 Obstetrics & Gynecology 1,089 Dietitian, Registered 976 Anesthesiology 961 Emergency Medicine 952 Radiology 944 Nurse Anesthetist, Certified Registered 878 Community/Behavioral Health 775
Browse by city
New Haven, CT 10,554 Hartford, CT 7,071 Waterbury, CT 3,757 Stamford, CT 3,625 Bridgeport, CT 3,582 Farmington, CT 3,293 Danbury, CT 2,911 Manchester, CT 2,556 Norwalk, CT 2,503 West Hartford, CT 2,222 New Britain, CT 2,041 Middletown, CT 1,921 Fairfield, CT 1,874 Hamden, CT 1,857 Norwich, CT 1,675 West Haven, CT 1,547 Greenwich, CT 1,502 Milford, CT 1,457 New London, CT 1,422 Glastonbury, CT 1,318 Enfield, CT 1,206 East Hartford, CT 1,194 Westport, CT 1,153 Meriden, CT 1,137 Wallingford, CT 1,122 Bristol, CT 1,118 Windsor, CT 1,102 Shelton, CT 1,100 Torrington, CT 1,052 Trumbull, CT 1,016 Cheshire, CT 954 Stratford, CT 934 Groton, CT 908 Newington, CT 906 Branford, CT 871 Plainville, CT 859 Avon, CT 856 Bloomfield, CT 789 Cromwell, CT 739 North Haven, CT 722
Frequently asked questions
How do I look up an NPI number in Connecticut?
Use the NPI search and select CT, or browse the specialty and city directories on this page. Every provider profile shows the NPI, taxonomy, practice address, and status.
How many healthcare providers are registered in Connecticut?
Our latest NPPES snapshot lists 104,574 active providers and organizations with a practice location in Connecticut.
Is this the official Connecticut NPI registry?
No, NPI numbers are issued federally by CMS, not by states. This is a private directory built on the public CMS NPPES data file; the official registry is npiregistry.cms.hhs.gov.
Source: CMS NPPES (public data). Snapshot 2026-07-13.