Medicare providers in Montana

14,004 unique NPIs are enrolled in Medicare in Montana, number 43 of 51. Practitioners in the 79 specialties tracked here account for 11,409 of them; the largest is nurse practitioner (1,659), and nurse practitioners outnumber family-practice physicians 2.4 to 1.

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1Enrolled NPIs 14,004
2Largest specialty Nurse Practitioner
3Rank of 51 #43
4Specialties present 79

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

Every specialty in Montana

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

Specialty	MT	Share of US
Nurse Practitioner	1,659	0.5%
Physician Assistant	1,122	0.6%
Physical Therapist in Private Practice	797	0.7%
Clinical Social Worker	772	0.8%
Family Practice	686	0.6%
Mental Health Counselor	551	0.8%
Diagnostic Radiology	476	1.2%
Internal Medicine	435	0.3%
Anesthesiology	375	0.7%
Chiropractic	315	0.7%
Emergency Medicine	293	0.5%
Pediatric Medicine	262	0.5%
Certified Registered Nurse Anesthetist (CRNA)	252	0.4%
Neurology	236	1.1%
Psychiatry	217	0.6%
Optometry	216	0.5%
Obstetrics/Gynecology	215	0.5%
General Surgery	176	0.6%
Orthopedic Surgery	172	0.6%
Hospitalist	159	0.5%
Cardiovascular Disease (Cardiology)	150	0.6%
Occupational Therapist in Private Practice	125	0.5%
Gastroenterology	118	0.7%
Clinical Psychologist	105	0.3%
Ophthalmology	85	0.4%
Qualified Speech Language Pathologist	80	0.6%
Pathology	79	0.5%
Urology	71	0.6%
Hematology/Oncology	69	0.6%
Pulmonary Disease	64	0.5%
Otolaryngology	61	0.5%
Registered Dietitian or Nutrition Professional	59	0.5%
Physical Medicine and Rehabilitation	58	0.5%
Dermatology	57	0.4%
Podiatry	55	0.3%
Certified Nurse Midwife (Cnm)	53	0.5%
Qualified Audiologist	52	0.4%
Neurosurgery	48	0.7%
Interventional Cardiology	46	0.8%
Nephrology	42	0.4%
Radiation Oncology	42	0.7%
Thoracic Surgery	40	1.1%
Critical Care (Intensivists)	39	0.5%
Infectious Disease	38	0.5%
Interventional Radiology	36	1%
Rheumatology	29	0.5%
Medical Oncology	26	0.5%
Vascular Surgery	25	0.5%
General Practice	24	0.3%
Cardiac Electrophysiology	22	0.7%
Plastic and Reconstructive Surgery	20	0.3%
Marriage and Family Therapist	19	0.1%
Gynecological Oncology	18	1.3%
Endocrinology	17	0.2%
Dentist	15	0.2%
Other (Physician)	14	2.7%
Allergy/Immunology	10	0.2%
Oral Surgery	10	0.3%
Hospice/Palliative Care	10	0.3%
Geriatric Medicine	9	0.3%
Osteopathic Manipulative Medicine	9	0.8%
Certified Clinical Nurse Specialist (Cns)	8	0.4%
Sleep Medicine	8	0.6%
Pain Management	7	0.2%
Hand Surgery	7	0.4%
Cardiac Surgery	5	0.3%
Surgical Oncology	5	0.3%
Preventive Medicine	5	0.5%
Sports Medicine	4	0.2%
Interventional Pain Management	4	0.2%
Psychologist Billing Independently	4	0.4%
Micrographic Dermatologic Surgery (Mds)	4	0.6%
Other (Non-Physician)	4	1%
Colorectal Surgery (Proctology)	2	0.1%
Hematology	2	0.2%
Advanced Heart Failure and Transplant Cardiology	2	0.2%
Maxillofacial Surgery	1	0.1%
Addiction Medicine	1	0.1%
Medical Genetics and Genomics	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.