Medicare providers in Connecticut

43,009 unique NPIs are enrolled in Medicare in Connecticut, number 26 of 51. Practitioners in the 82 specialties tracked here account for 35,514 of them; the largest is nurse practitioner (5,950), and nurse practitioners outnumber family-practice physicians 6.5 to 1.

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1Enrolled NPIs 43,009
2Largest specialty Nurse Practitioner
3Rank of 51 #26
4Specialties present 82

Medicare-enrolled practitioners in Connecticut by specialty, 15 largest, bars to scale. Source: CMS PPEF, 2026-09-29.

Every specialty in Connecticut

Each figure is the number of NPIs enrolled in Medicare in Connecticut under that specialty, beside its share of the specialty's national total.

Specialty	CT	Share of US
Nurse Practitioner	5,950	1.6%
Physician Assistant	3,756	2.2%
Clinical Social Worker	3,478	3.5%
Internal Medicine	2,447	1.9%
Physical Therapist in Private Practice	1,479	1.3%
Mental Health Counselor	1,362	1.9%
Diagnostic Radiology	1,000	2.6%
Psychiatry	954	2.6%
Emergency Medicine	935	1.4%
Family Practice	912	0.8%
Pediatric Medicine	868	1.5%
Certified Registered Nurse Anesthetist (CRNA)	863	1.4%
Anesthesiology	816	1.6%
Obstetrics/Gynecology	769	1.8%
Clinical Psychologist	683	1.9%
Optometry	632	1.4%
Cardiovascular Disease (Cardiology)	499	2%
Neurology	482	2.2%
Chiropractic	476	1%
Orthopedic Surgery	461	1.7%
Hospitalist	455	1.6%
General Surgery	385	1.4%
Marriage and Family Therapist	383	2.5%
Occupational Therapist in Private Practice	329	1.3%
Gastroenterology	329	1.8%
Ophthalmology	312	1.5%
Pathology	298	2%
Podiatry	271	1.5%
Pulmonary Disease	255	1.9%
Dermatology	247	1.7%
Certified Nurse Midwife (Cnm)	218	2.3%
Hematology/Oncology	176	1.4%
Endocrinology	176	2.1%
Urology	175	1.5%
Qualified Audiologist	164	1.4%
Registered Dietitian or Nutrition Professional	161	1.4%
Nephrology	158	1.4%
Infectious Disease	158	1.9%
Physical Medicine and Rehabilitation	157	1.4%
Otolaryngology	154	1.3%
Rheumatology	102	1.6%
Qualified Speech Language Pathologist	98	0.7%
Plastic and Reconstructive Surgery	97	1.7%
Medical Oncology	96	1.9%
Neurosurgery	95	1.4%
Vascular Surgery	95	2.1%
Radiation Oncology	79	1.3%
Geriatric Medicine	69	2.6%
Thoracic Surgery	68	1.9%
Critical Care (Intensivists)	64	0.8%
Certified Clinical Nurse Specialist (Cns)	60	2.7%
Allergy/Immunology	58	1.4%
Dentist	56	0.9%
Interventional Radiology	56	1.5%
Interventional Cardiology	53	0.9%
General Practice	47	0.5%
Colorectal Surgery (Proctology)	47	2.3%
Oral Surgery	46	1.2%
Cardiac Electrophysiology	40	1.3%
Pain Management	35	0.9%
Hospice/Palliative Care	34	1.1%
Hand Surgery	33	1.7%
Sports Medicine	30	1.1%
Surgical Oncology	29	1.8%
Hematology	26	2%
Cardiac Surgery	25	1.5%
Gynecological Oncology	24	1.8%
Addiction Medicine	24	3%
Preventive Medicine	22	2.1%
Interventional Pain Management	21	1.2%
Sleep Medicine	21	1.6%
Osteopathic Manipulative Medicine	16	1.4%
Micrographic Dermatologic Surgery (Mds)	13	2.1%
Maxillofacial Surgery	9	0.8%
Advanced Heart Failure and Transplant Cardiology	8	0.8%
Nuclear Medicine	8	1.1%
Other (Non-Physician)	7	1.8%
Medical Genetics and Genomics	6	1.3%
Other (Physician)	4	0.8%
Neuropsychiatry	4	0.9%
Psychologist Billing Independently	3	0.3%
Epileptologists	3	0.8%

Source: CMS Medicare Fee-For-Service Public Provider Enrollment, extract of 2026-09-29; unique NPIs per state. Checked 2026-10-24. Methodology.