Medicare providers in Pennsylvania

127,666 unique NPIs are enrolled in Medicare in Pennsylvania, number 5 of 51. Practitioners in the 81 specialties tracked here account for 103,259 of them; the largest is nurse practitioner (15,253), and nurse practitioners outnumber family-practice physicians 2.7 to 1.

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1Enrolled NPIs 127,666
2Largest specialty Nurse Practitioner
3Rank of 51 #5
4Specialties present 81

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

Every specialty in Pennsylvania

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

Specialty	PA	Share of US
Nurse Practitioner	15,253	4.2%
Physician Assistant	11,604	6.7%
Internal Medicine	6,256	4.9%
Family Practice	5,700	4.9%
Physical Therapist in Private Practice	5,018	4.4%
Certified Registered Nurse Anesthetist (CRNA)	4,542	7.3%
Emergency Medicine	3,440	5.3%
Mental Health Counselor	3,367	4.7%
Clinical Social Worker	3,206	3.2%
Diagnostic Radiology	2,917	7.6%
Anesthesiology	2,565	5.1%
Pediatric Medicine	2,547	4.5%
Psychiatry	2,215	6%
Optometry	2,198	4.8%
Chiropractic	2,098	4.6%
Obstetrics/Gynecology	2,070	4.9%
Clinical Psychologist	1,782	4.9%
Hospitalist	1,687	5.8%
General Surgery	1,545	5.6%
Neurology	1,442	6.7%
Cardiovascular Disease (Cardiology)	1,420	5.8%
Orthopedic Surgery	1,360	5.1%
Ophthalmology	1,176	5.7%
Podiatry	1,123	6.4%
Gastroenterology	1,079	6%
Occupational Therapist in Private Practice	1,072	4.4%
Pulmonary Disease	797	5.9%
Pathology	784	5.3%
Dermatology	714	4.8%
Physical Medicine and Rehabilitation	711	6.5%
Urology	628	5.4%
Otolaryngology	619	5.4%
Hematology/Oncology	612	5%
Qualified Audiologist	583	5%
Nephrology	580	5.2%
Registered Dietitian or Nutrition Professional	532	4.7%
Critical Care (Intensivists)	481	6%
Qualified Speech Language Pathologist	476	3.3%
Certified Nurse Midwife (Cnm)	472	4.9%
Infectious Disease	449	5.4%
Neurosurgery	435	6.6%
Radiation Oncology	407	6.9%
Endocrinology	392	4.7%
Rheumatology	345	5.5%
Plastic and Reconstructive Surgery	336	5.7%
Vascular Surgery	306	6.6%
Medical Oncology	284	5.6%
Thoracic Surgery	279	7.7%
Dentist	274	4.5%
Interventional Cardiology	257	4.5%
Oral Surgery	213	5.8%
Allergy/Immunology	207	4.9%
Interventional Radiology	198	5.4%
Cardiac Electrophysiology	180	6%
Sports Medicine	162	6.1%
Marriage and Family Therapist	159	1%
General Practice	154	1.6%
Hospice/Palliative Care	150	5%
Pain Management	147	4%
Geriatric Medicine	141	5.3%
Colorectal Surgery (Proctology)	118	5.7%
Cardiac Surgery	100	5.9%
Hematology	94	7.1%
Advanced Heart Failure and Transplant Cardiology	88	8.4%
Hand Surgery	87	4.4%
Gynecological Oncology	74	5.4%
Sleep Medicine	72	5.4%
Maxillofacial Surgery	68	6.3%
Surgical Oncology	52	3.2%
Nuclear Medicine	51	6.9%
Psychologist Billing Independently	50	4.9%
Interventional Pain Management	47	2.6%
Addiction Medicine	43	5.4%
Preventive Medicine	40	3.8%
Micrographic Dermatologic Surgery (Mds)	36	5.8%
Certified Clinical Nurse Specialist (Cns)	33	1.5%
Osteopathic Manipulative Medicine	25	2.2%
Neuropsychiatry	16	3.7%
Epileptologists	13	3.6%
Medical Genetics and Genomics	5	1.1%
Other (Physician)	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.