| Medical Oncology | 498 | $1,038,066,230 |
| Hematology & Oncology | 967 | $525,381,431 |
| Internal Medicine | 9,771 | $359,788,778 |
| Orthopaedic Surgery | 1,079 | $231,451,106 |
| Neurology | 1,623 | $206,469,381 |
| Infectious Disease | 799 | $194,076,407 |
| Family Medicine | 4,321 | $172,981,513 |
| Dermatology | 1,151 | $171,035,251 |
| Cardiovascular Disease | 2,302 | $152,231,222 |
| Hematology | 157 | $141,417,828 |
| Psychiatry | 3,713 | $126,885,073 |
| Pediatric Hematology-Oncology | 196 | $106,584,873 |
| Gastroenterology | 1,682 | $98,196,169 |
| Interventional Cardiology | 382 | $96,371,239 |
| Urology | 952 | $95,677,428 |
| Rheumatology | 541 | $83,878,699 |
| Ophthalmology | 1,587 | $82,323,332 |
| Neurological Surgery | 446 | $68,757,448 |
| Pulmonary Disease | 1,115 | $66,814,579 |
| Pediatric Infectious Diseases | 73 | $65,058,547 |
| Orthopaedic Surgery of the Spine | 161 | $63,405,962 |
| Nephrology | 935 | $61,805,100 |
| Unspecified | 3,061 | $59,063,829 |
| Endocrinology, Diabetes & Metabolism | 804 | $57,442,210 |
| Clinical Cardiac Electrophysiology | 214 | $56,703,059 |
| Diagnostic Radiology | 2,530 | $49,388,771 |
| Gynecologic Oncology | 154 | $48,636,558 |
| Radiation Oncology | 397 | $43,019,994 |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 383 | $41,403,666 |
| Surgery | 1,596 | $31,437,486 |
| Adult Reconstructive Orthopaedic Surgery | 85 | $27,631,815 |
| Obstetrics & Gynecology | 2,673 | $25,156,564 |
| Allergy & Immunology | 320 | $24,782,806 |
| Vascular Surgery | 405 | $24,469,505 |
| Sports Medicine | 403 | $22,855,252 |
| Allergy | 92 | $22,419,329 |
| Emergency Medicine | 4,167 | $21,807,640 |
| Neurology with Special Qualifications in Child Neurology | 161 | $21,703,144 |
| General Practice | 5,764 | $20,656,784 |
| Pediatrics | 4,055 | $20,250,067 |
| Foot & Ankle Surgery | 652 | $20,007,385 |
| Physician Assistant | 11,358 | $19,966,443 |
| Advanced Heart Failure and Transplant Cardiology | 106 | $19,770,081 |
| Dentist | 3,954 | $13,775,797 |
| Plastic Surgery | 363 | $13,043,707 |
| Optometrist | 2,743 | $12,927,590 |
| Family | 8,883 | $12,613,173 |
| Vascular & Interventional Radiology | 306 | $12,164,848 |
| Anesthesiology | 4,157 | $12,135,759 |
| Otolaryngology | 701 | $10,990,194 |
| Clinical Genetics (M.D.) | 49 | $10,899,672 |
| Hepatology | 29 | $10,468,459 |
| Endodontics | 324 | $9,601,832 |
| Pediatric Endocrinology | 138 | $9,441,800 |
| Retina Specialist | 99 | $9,273,407 |
| Neuroradiology | 71 | $9,177,960 |
| Adult Health | 3,828 | $8,826,668 |
| Anatomic Pathology & Clinical Pathology | 468 | $8,705,197 |
| Pediatric Allergy/Immunology | 51 | $8,415,839 |
| Critical Care Medicine | 442 | $8,297,511 |
| Pediatric Gastroenterology | 143 | $7,766,086 |
| Psychiatric/Mental Health | 2,385 | $7,210,607 |
| Pain Medicine | 503 | $7,201,406 |
| Anatomic Pathology | 152 | $6,977,881 |
| Periodontics | 457 | $6,816,800 |
| Plastic and Reconstructive Surgery | 219 | $6,680,788 |
| Nuclear Medicine | 84 | $6,615,959 |
| Orthopedic Surgery | 91 | $6,404,112 |
| Nuclear Cardiology | 21 | $6,213,426 |
| Medical | 2,395 | $6,028,902 |
| Physical Medicine and Rehabilitation | 872 | $6,008,487 |
| Clinical Pathology | 16 | $5,526,146 |
| Vascular Neurology | 74 | $5,511,424 |
| Surgical Oncology | 173 | $5,319,264 |
| Pediatric Cardiology | 147 | $5,076,615 |
| Hand Surgery | 178 | $5,008,561 |
| Obesity Medicine | 14 | $4,946,381 |
| Transplant Hepatology | 36 | $4,944,250 |
| Transplant Surgery | 72 | $4,923,373 |
| Orthodontics and Dentofacial Orthopedics | 764 | $4,879,216 |
| Psychosomatic Medicine | 30 | $4,696,469 |
| Gynecology | 240 | $4,687,730 |
| MOHS-Micrographic Surgery | 75 | $4,306,007 |
| Pediatric Pulmonology | 102 | $4,303,076 |
| Interventional Pain Medicine | 132 | $4,023,681 |
| Procedural Dermatology | 69 | $3,937,567 |
| Clinical Pathology/Laboratory Medicine | 37 | $3,918,766 |
| Addiction Medicine | 125 | $3,757,232 |
| Sleep Medicine | 81 | $3,726,322 |
| Hospitalist | 1,860 | $3,454,248 |
| Clinical Biochemical Genetics | 4 | $3,453,655 |
| Nurse Practitioner | 4,112 | $3,170,225 |
| Nuclear Imaging & Therapy | 15 | $3,026,853 |
| Oral and Maxillofacial Surgery | 605 | $2,974,727 |
| Child & Adolescent Psychiatry | 317 | $2,908,713 |
| Surgical | 1,544 | $2,609,832 |
| Geriatric Medicine | 400 | $2,542,262 |
| Urogynecology and Reconstructive Pelvic Surgery | 90 | $2,362,564 |
| Prosthodontics | 343 | $2,283,885 |
| Otology & Neurotology | 26 | $2,210,144 |
| Hematology-Oncology | 38 | $2,177,537 |
| Pediatric Nephrology | 63 | $2,154,837 |
| Neonatal-Perinatal Medicine | 228 | $2,150,779 |
| Hospice and Palliative Medicine | 133 | $2,096,120 |
| Therapeutic Radiology | 24 | $2,085,672 |
| Colon & Rectal Surgery | 177 | $2,053,584 |
| Podiatrist | 862 | $2,004,298 |
| Neuromuscular Medicine | 25 | $1,955,333 |
| Pediatric Transplant Hepatology | 11 | $1,898,844 |
| Maternal & Fetal Medicine | 185 | $1,795,199 |
| Pediatric Anesthesiology | 26 | $1,793,366 |
| Pediatric Rheumatology | 33 | $1,716,402 |
| Neurosurgery | 18 | $1,678,340 |
| Otolaryngology/Facial Plastic Surgery | 48 | $1,586,199 |
| Reproductive Endocrinology | 176 | $1,527,939 |
| Facial Plastic Surgery | 48 | $1,500,625 |
| Orthopaedic Trauma | 44 | $1,333,411 |
| Acute Care | 980 | $1,332,324 |
| Dermatopathology | 44 | $1,265,252 |
| Surgery of the Hand | 40 | $1,166,496 |
| Endocrinology | 64 | $1,141,211 |
| Ophthalmic Plastic and Reconstructive Surgery | 25 | $1,091,116 |
| Addiction Psychiatry | 43 | $1,077,629 |
| Adolescent Medicine | 257 | $1,067,650 |
| Clinical Neurophysiology | 35 | $1,058,884 |
| Adult Congenital Heart Disease | 13 | $1,028,800 |
| General Surgery | 122 | $1,000,668 |
| Foot Surgery | 294 | $988,451 |
| Geriatric Psychiatry | 45 | $900,444 |
| Body Imaging | 20 | $837,340 |
| Neurocritical Care | 39 | $809,466 |
| Pediatric Dermatology | 17 | $792,300 |
| Pediatric Orthopaedic Surgery | 42 | $760,261 |
| Primary Podiatric Medicine | 85 | $748,236 |
| Epilepsy | 21 | $723,960 |
| Surgical Critical Care | 118 | $709,230 |
| Pediatric Dentistry | 607 | $654,302 |
| Cardiology | 112 | $641,037 |
| Corneal and Contact Management | 68 | $613,914 |
| Trauma Surgery | 63 | $607,372 |
| Plastic Surgery within the Head & Neck | 45 | $598,559 |
| Pediatric Radiology | 17 | $506,004 |
| Neuromusculoskeletal Medicine, Sports Medicine | 21 | $427,662 |
| Chiropractor | 543 | $424,177 |
| Adult Medicine | 101 | $403,704 |
| Glaucoma Specialist | 35 | $384,969 |
| Cornea and External Diseases Specialist | 26 | $362,031 |
| Women's Health | 376 | $355,310 |
| Nuclear Radiology | 18 | $345,774 |
| Primary Care | 239 | $295,418 |
| Clinical & Laboratory Immunology | 6 | $267,159 |
| Blood Banking & Transfusion Medicine | 23 | $247,157 |
| Thoracic Surgery | 8 | $236,506 |
| Nurse Anesthetist, Certified Registered | 1,009 | $198,767 |
| Molecular Genetic Pathology | 10 | $197,590 |
| Undersea and Hyperbaric Medicine | 14 | $190,681 |
| Allergy/ Immunology | 14 | $188,689 |
| Registered Nurse | 446 | $187,277 |
| Public Health & General Preventive Medicine | 30 | $178,971 |
| Gerontology | 187 | $173,229 |
| Pediatric Emergency Medicine | 117 | $160,519 |
| Pediatric Critical Care Medicine | 80 | $159,222 |
| Pediatric Urology | 29 | $158,480 |
| Neurodevelopmental Disabilities | 11 | $125,335 |
| Advanced Practice Midwife | 364 | $122,088 |
| Preventive Medicine/Occupational Environmental Medicine | 18 | $114,780 |
| Community Health | 21 | $96,639 |
| Clinical & Laboratory Dermatological Immunology | 2 | $94,871 |
| Neuropathology | 10 | $89,232 |
| Pediatric Surgery | 48 | $88,840 |
| Uveitis and Ocular Inflammatory Disease | 4 | $82,974 |
| Otolaryngic Allergy | 6 | $79,160 |
| Obstetrics | 82 | $77,556 |
| Neuroscience | 4 | $74,953 |
| Pathology | 448 | $74,651 |
| Pediatric Otolaryngology | 39 | $71,288 |
| Integrative Medicine | 2 | $58,202 |
| Emergency Medical Services | 74 | $52,020 |
| Family Practice | 792 | $50,549 |
| Dental Anesthesiology | 18 | $47,284 |
| Critical Care (Intensivists) | 117 | $42,863 |
| Family Health | 34 | $42,563 |
| Spinal Cord Injury Medicine | 15 | $38,730 |
| Behavioral Neurology & Neuropsychiatry | 12 | $38,452 |
| Neuro-ophthalmology | 16 | $33,357 |
| Podiatry | 225 | $32,724 |
| Developmental - Behavioral Pediatrics | 28 | $31,568 |
| Oral and Maxillofacial Pathology | 33 | $29,408 |
| Neuromusculoskeletal Medicine & OMM | 46 | $29,233 |
| Low Vision Rehabilitation | 20 | $23,729 |
| Independent Medical Examiner | 4 | $22,843 |
| Gynecological Oncology | 4 | $22,841 |
| Vision Therapy | 22 | $19,779 |
| Magnetic Resonance Imaging (MRI) | 1 | $18,842 |
| Pain Management | 18 | $18,718 |
| Forensic Psychiatry | 27 | $18,700 |
| Cardiac Surgery | 4 | $18,421 |
| Colorectal Surgery (Proctology) | 10 | $18,364 |
| Forensic Pathology | 8 | $17,370 |
| Medical Toxicology | 12 | $13,751 |
| Interventional Pain Management | 6 | $12,184 |
| Diabetology | 1 | $12,133 |
| Medical Microbiology | 2 | $11,966 |
| Licensed Practical Nurse | 117 | $11,466 |
| Neonatal | 54 | $10,801 |
| Brain Injury Medicine | 6 | $10,171 |
| Oral and Maxillofacial Radiology | 6 | $9,091 |
| School | 23 | $8,223 |
| Home Health | 25 | $8,008 |
| Diabetes Educator | 10 | $7,975 |
| Complex Family Planning | 5 | $7,749 |
| Occupational Medicine | 19 | $7,455 |
| Medical-Surgical | 16 | $7,137 |
| Phlebology | 4 | $6,380 |
| Oncology | 15 | $6,367 |
| Pediatric Rehabilitation Medicine | 11 | $6,284 |
| Optician | 48 | $5,754 |
| Clinical Nurse Specialist | 8 | $5,585 |
| Pediatric Ophthalmology and Strabismus Specialist | 14 | $5,261 |
| Registered Nurse First Assistant | 9 | $4,505 |
| Clinical Informatics | 3 | $4,441 |
| Psychiatric/Mental Health, Adult | 16 | $4,403 |
| Pediatrics, Critical Care | 9 | $4,264 |
| Cytopathology | 13 | $4,102 |
| Sports Physician | 22 | $3,978 |
| Perinatal | 2 | $3,939 |
| Psychiatric/Mental Health, Child & Adolescent | 7 | $3,766 |
| Nutrition | 7 | $3,566 |
| Dental Public Health | 12 | $3,463 |
| Cardiac Rehabilitation | 3 | $3,321 |
| Neonatal, Critical Care | 31 | $3,220 |
| Orthopedic | 11 | $2,898 |
| Diagnostic Neuroimaging | 7 | $2,712 |
| Certified Nurse Midwife | 32 | $2,682 |
| Child Abuse Pediatrics | 4 | $2,652 |
| Community Health/Public Health | 2 | $2,595 |
| Ambulatory Care | 2 | $2,556 |
| Rehabilitation | 11 | $2,082 |
| Interventional Radiology | 9 | $1,747 |
| Orofacial Pain | 5 | $1,521 |
| Optometry | 113 | $1,495 |
| Internist | 3 | $1,221 |
| Occupational Health | 4 | $1,172 |
| Neonatal Intensive Care | 4 | $1,152 |
| Addiction (Substance Use Disorder) | 5 | $1,100 |
| Diagnostic Ultrasound | 8 | $1,051 |
| Case Management | 3 | $768 |
| Obstetric, Inpatient | 3 | $739 |
| Physical Therapist in Private Practice | 6,354 | $700 |
| Sports Vision | 2 | $692 |
| Wound Care | 2 | $682 |
| Lactation Consultant | 2 | $639 |
| Dental Hygienist | 8 | $609 |
| Medical Biochemical Genetics | 1 | $536 |
| Maternal Newborn | 2 | $529 |
| Radiological Physics | 5 | $451 |
| Emergency | 4 | $350 |
| Administrator | 6 | $344 |
| Advanced Practice Dental Therapist | 1 | $296 |
| Anesthesiologist Assistant | 1 | $294 |
| Clinical Molecular Genetics | 3 | $288 |
| Long-Term Care | 1 | $246 |
| Public Medicine | 1 | $219 |
| Occupational Vision | 4 | $163 |
| Hospice and Palliative Care | 90 | $153 |
| Women's Health Care, Ambulatory | 1 | $125 |
| Hemodialysis | 1 | $125 |
| Contact Lens Fitter | 1 | $106 |
| Technician/Technologist | 1 | $95 |
| Infusion Therapy | 2 | $64 |
| Clinical Pharmacology | 1 | $59 |
| Hypertension Specialist | 1 | $57 |
| Clinical Cytogenetics | 1 | $57 |
| Psychiatric/Mental Health, Child & Family | 1 | $54 |
| Denturist | 1 | $51 |
| Licensed Vocational Nurse | 1 | $38 |
| Chemical Pathology | 1 | $37 |
| Pediatric Pathology | 1 | $32 |
| Ph.D. Medical Genetics | 1 | $22 |
| Informatics | 1 | $21 |
| Registered Dietitian or Nutrition Professional | 183 | $20 |
| Immunopathology | 1 | $13 |
| Psychologist, Clinical | 949 | $0 |
| Micrographic Dermatologic Surgery | 1 | $0 |
| Pediatric Medicine | 24 | $0 |
| Certified Registered Nurse Anesthetist (CRNA) | 1,009 | $0 |
| Neuropsychiatry | 6 | $0 |
| Osteopathic Manipulative Medicine | 17 | $0 |
| Undefined Physician type | 1 | $0 |
| Certified Clinical Nurse Specialist | 7 | $0 |
| Oral Surgery (Dentist only) | 8 | $0 |
| Maxillofacial Surgery | 7 | $0 |
| Medical Genetics and Genomics | 2 | $0 |
| Oral Medicine | 1 | $0 |
| Chiropractic | 1,191 | $0 |
| Audiologist | 575 | $0 |
| Licensed Clinical Social Worker | 1,491 | $0 |
| Preventive Medicine | 3 | $0 |
| Licensed Professional Counselor | 116 | $0 |
| Occupational Therapist in Private Practice | 1,130 | $0 |
| Speech Language Pathologist | 278 | $0 |
| Marriage and Family Therapist | 8 | $0 |
| Unknown Supplier/Provider Specialty | 1 | $0 |