Medicare providers in Delaware

12,910 unique NPIs are enrolled in Medicare in Delaware, number 46 of 51. Practitioners in the 78 specialties tracked here account for 10,335 of them; the largest is nurse practitioner (1,961), and nurse practitioners outnumber family-practice physicians 4.2 to 1.

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1Enrolled NPIs 12,910
2Largest specialty Nurse Practitioner
3Rank of 51 #46
4Specialties present 78

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

Every specialty in Delaware

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

Specialty	DE	Share of US
Nurse Practitioner	1,961	0.5%
Physician Assistant	960	0.6%
Physical Therapist in Private Practice	747	0.7%
Internal Medicine	693	0.5%
Family Practice	463	0.4%
Clinical Social Worker	443	0.4%
Certified Registered Nurse Anesthetist (CRNA)	410	0.7%
Emergency Medicine	373	0.6%
Diagnostic Radiology	334	0.9%
Mental Health Counselor	332	0.5%
Anesthesiology	227	0.4%
Obstetrics/Gynecology	202	0.5%
Chiropractic	199	0.4%
Neurology	196	0.9%
Psychiatry	186	0.5%
Pediatric Medicine	183	0.3%
Optometry	173	0.4%
Cardiovascular Disease (Cardiology)	158	0.6%
Clinical Psychologist	143	0.4%
General Surgery	143	0.5%
Orthopedic Surgery	110	0.4%
Occupational Therapist in Private Practice	103	0.4%
Ophthalmology	101	0.5%
Hospitalist	100	0.3%
Gastroenterology	91	0.5%
Podiatry	86	0.5%
Physical Medicine and Rehabilitation	71	0.6%
Pulmonary Disease	64	0.5%
Dermatology	58	0.4%
Pathology	57	0.4%
Hematology/Oncology	57	0.5%
Nephrology	54	0.5%
Certified Nurse Midwife (Cnm)	53	0.5%
Critical Care (Intensivists)	53	0.7%
Urology	47	0.4%
Qualified Audiologist	44	0.4%
Registered Dietitian or Nutrition Professional	42	0.4%
Infectious Disease	40	0.5%
Endocrinology	38	0.5%
Qualified Speech Language Pathologist	35	0.2%
Otolaryngology	33	0.3%
Plastic and Reconstructive Surgery	31	0.5%
Pain Management	29	0.8%
Certified Clinical Nurse Specialist (Cns)	29	1.3%
Marriage and Family Therapist	28	0.2%
Radiation Oncology	28	0.5%
Neurosurgery	27	0.4%
Rheumatology	26	0.4%
Hospice/Palliative Care	22	0.7%
Vascular Surgery	19	0.4%
Allergy/Immunology	19	0.4%
Interventional Radiology	18	0.5%
Thoracic Surgery	18	0.5%
Cardiac Surgery	15	0.9%
Medical Oncology	14	0.3%
Sports Medicine	14	0.5%
General Practice	12	0.1%
Interventional Pain Management	12	0.7%
Interventional Cardiology	11	0.2%
Dentist	9	0.1%
Oral Surgery	9	0.2%
Geriatric Medicine	8	0.3%
Hematology	8	0.6%
Hand Surgery	7	0.4%
Addiction Medicine	7	0.9%
Cardiac Electrophysiology	6	0.2%
Colorectal Surgery (Proctology)	6	0.3%
Gynecological Oncology	6	0.4%
Osteopathic Manipulative Medicine	6	0.5%
Surgical Oncology	5	0.3%
Sleep Medicine	5	0.4%
Nuclear Medicine	5	0.7%
Maxillofacial Surgery	4	0.4%
Preventive Medicine	3	0.3%
Psychologist Billing Independently	2	0.2%
Micrographic Dermatologic Surgery (Mds)	2	0.3%
Advanced Heart Failure and Transplant Cardiology	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.