Medicare providers in Louisiana

39,135 unique NPIs are enrolled in Medicare in Louisiana, number 29 of 51. Practitioners in the 81 specialties tracked here account for 29,648 of them; the largest is nurse practitioner (6,642), and nurse practitioners outnumber family-practice physicians 4.2 to 1.

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1Enrolled NPIs 39,135
2Largest specialty Nurse Practitioner
3Rank of 51 #29
4Specialties present 81

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

Every specialty in Louisiana

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

Specialty	LA	Share of US
Nurse Practitioner	6,642	1.8%
Internal Medicine	2,093	1.6%
Physician Assistant	1,785	1%
Certified Registered Nurse Anesthetist (CRNA)	1,712	2.7%
Family Practice	1,593	1.4%
Physical Therapist in Private Practice	1,354	1.2%
Emergency Medicine	1,292	2%
Clinical Social Worker	918	0.9%
Pediatric Medicine	898	1.6%
Mental Health Counselor	856	1.2%
Diagnostic Radiology	695	1.8%
Obstetrics/Gynecology	682	1.6%
Anesthesiology	599	1.2%
Psychiatry	529	1.4%
Optometry	454	1%
General Surgery	445	1.6%
Orthopedic Surgery	414	1.6%
Neurology	406	1.9%
Chiropractic	383	0.8%
Cardiovascular Disease (Cardiology)	354	1.4%
Hospitalist	324	1.1%
Ophthalmology	313	1.5%
Occupational Therapist in Private Practice	293	1.2%
Pathology	257	1.8%
Gastroenterology	246	1.4%
Otolaryngology	239	2.1%
Clinical Psychologist	236	0.6%
Pulmonary Disease	222	1.6%
Dermatology	221	1.5%
Nephrology	210	1.9%
Qualified Speech Language Pathologist	183	1.3%
Urology	182	1.6%
Hematology/Oncology	181	1.5%
Qualified Audiologist	173	1.5%
Podiatry	171	1%
Physical Medicine and Rehabilitation	139	1.3%
Interventional Cardiology	136	2.4%
Registered Dietitian or Nutrition Professional	134	1.2%
Neurosurgery	122	1.9%
Infectious Disease	121	1.5%
General Practice	103	1.1%
Endocrinology	90	1.1%
Rheumatology	86	1.4%
Plastic and Reconstructive Surgery	82	1.4%
Critical Care (Intensivists)	78	1%
Radiation Oncology	73	1.2%
Allergy/Immunology	68	1.6%
Thoracic Surgery	67	1.8%
Vascular Surgery	63	1.4%
Dentist	58	1%
Interventional Radiology	54	1.5%
Interventional Pain Management	53	3%
Pain Management	51	1.4%
Certified Nurse Midwife (Cnm)	48	0.5%
Sports Medicine	42	1.6%
Cardiac Electrophysiology	39	1.3%
Marriage and Family Therapist	38	0.2%
Colorectal Surgery (Proctology)	35	1.7%
Oral Surgery	33	0.9%
Hospice/Palliative Care	29	1%
Maxillofacial Surgery	29	2.7%
Gynecological Oncology	26	1.9%
Certified Clinical Nurse Specialist (Cns)	20	0.9%
Surgical Oncology	20	1.2%
Medical Oncology	19	0.4%
Hand Surgery	18	0.9%
Cardiac Surgery	18	1.1%
Preventive Medicine	14	1.3%
Geriatric Medicine	13	0.5%
Advanced Heart Failure and Transplant Cardiology	13	1.2%
Addiction Medicine	11	1.4%
Sleep Medicine	10	0.8%
Osteopathic Manipulative Medicine	10	0.9%
Nuclear Medicine	10	1.4%
Medical Genetics and Genomics	7	1.5%
Micrographic Dermatologic Surgery (Mds)	5	0.8%
Hematology	3	0.2%
Epileptologists	2	0.6%
Psychologist Billing Independently	1	0.1%
Other (Physician)	1	0.2%
Neuropsychiatry	1	0.2%

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