Error Rates and Improper Payments by Provider Type: Carriers

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Provider Types Billing to Carriers Paid Claims Error Rate Provider Compliance Error Rate
Error Rate Projected Improper Payment Amount Standard Error 95% Confidence Interval
Sort Ascending / Sort Descending Sort Ascending / Sort Descending Sort Ascending / Sort Descending Sort Ascending / Sort Descending Sort Ascending / Sort Descending Sort Ascending / Sort Descending
Endocrinology 13.0% $43,314,802 2.5% 8.0% - 17.9% 20.2%
Podiatry 4.0% $43,685,656 0.5% 3.0% - 5.1% 18.1%
Diagnostic Radiology 1.4% $59,245,685 0.3% 0.8% - 2.0% 12.8%
Physical Medicine and Rehabilitation 8.9% $53,141,230 1.5% 6.0% - 11.8% 21.1%
Otolaryngology 5.6% $39,286,923 1.1% 3.5% - 7.7% 18.1%
Infectious Disease 9.7% $37,198,961 1.9% 5.9% - 13.5% 36.2%
Dermatology 2.0% $32,150,663 0.3% 1.3% - 2.6% 10.6%
Clinical Laboratory (Billing Independently) 1.2% $28,667,304 0.3% 0.6% - 1.7% 13.1%
Anesthesiology 2.1% $27,066,376 0.5% 1.1% - 3.2% 15.0%
Clinical Psychologist 6.8% $22,067,667 4.9% ( 2.7%) - 16.3% 21.2%
Optometry 4.0% $20,776,278 1.2% 1.7% - 6.3% 20.2%
Nurse Practitioner 4.0% $20,061,954 0.9% 2.2% - 5.7% 12.4%
Vascular Surgery 4.4% $19,939,498 1.9% 0.6% - 8.1% 13.0%
Rheumatology 1.9% $18,456,694 0.5% 0.9% - 2.8% 8.1%
Neurosurgery 5.1% $17,505,380 1.7% 1.8% - 8.4% 35.6%
Independent Diagnostic Testing Facility (IDTF) 1.1% $16,029,953 0.7% ( 0.2%) - 2.4% 23.9%
Pathology 2.3% $15,507,521 0.9% 0.6% - 4.0% 14.4%
Medical Oncology 1.0% $13,357,954 0.3% 0.5% - 1.6% 9.3%
Thoracic Surgery 2.5% $9,992,566 1.1% 0.4% - 4.6% 12.4%
Critical Care (Intensivists) 7.4% $9,864,928 2.7% 2.1% - 12.7% 12.2%
Geriatric Medicine 11.8% $9,822,684 3.4% 5.2% - 18.5% 30.3%
Radiation Oncology 0.7% $7,834,567 0.3% 0.1% - 1.3% 12.5%
Physician Assistant 1.7% $6,531,919 0.5% 0.8% - 2.6% 16.3%
Pain Management 3.8% $5,493,295 1.4% 1.1% - 6.6% 11.3%
All Provider Types With Less Than 30 Lines 2.6% $5,293,391 0.9% 0.7% - 4.4% 14.7%
Plastic and Reconstructive Surgery 2.6% $4,834,883 1.0% 0.6% - 4.5% 14.0%
Allergy/Immunology 2.8% $4,726,848 1.2% 0.3% - 5.2% 19.9%
Occupational Therapist in Private Practice 5.3% $4,226,087 2.6% 0.2% - 10.4% 12.6%
Cardiac Surgery 1.1% $3,672,645 0.4% 0.3% - 1.8% 23.4%
Ambulatory Surgical Center 0.2% $3,582,286 0.2% ( 0.2%) - 0.5% 13.5%
Pediatric Medicine 5.3% $3,268,802 1.5% 2.4% - 8.3% 12.3%
Interventional Pain Management 2.9% $2,391,201 1.6% ( 0.2%) - 6.1% 38.5%
Hematology 1.1% $2,387,194 0.6% ( 0.1%) - 2.3% 10.2%
Osteopathic Manipulative Therapy 5.3% $2,229,506 3.0% ( 0.6%) - 11.2% 41.4%
Audiologist (Billing Independently) 8.3% $2,160,240 4.4% ( 0.4%) - 16.9% 22.2%
Colorectal Surgery (formerly proctology) 2.1% $1,913,346 0.7% 0.8% - 3.4% 9.9%
Interventional Radiology 0.6% $1,758,087 0.6% ( 0.6%) - 1.9% 4.8%
Hand Surgery 4.3% $1,699,003 2.5% ( 0.7%) - 9.3% 16.2%
Certified Registered Nurse Anesthetist (CRNA) 0.3% $1,677,976 0.2% ( 0.0%) - 0.7% 10.7%
Portable X-Ray Supplier (Billing Independently) 0.3% $541,317 0.2% ( 0.0%) - 0.7% 13.8%
Multispecialty Clinic or Group Practice 2.1% $369,811 1.4% ( 0.6%) - 4.9% 40.0%
Nuclear Medicine 0.3% $341,675 0.1% 0.1% - 0.5% 9.7%
Clinical Nurse Specialist 1.3% $334,125 0.9% ( 0.4%) - 3.0% 23.9%
Gynecological/Oncology 0.3% $192,448 0.2% ( 0.1%) - 0.7% 0.4%
Public Health or Welfare Agencies (Federal, State, and local) 0.3% $63,713 0.3% ( 0.2%) - 0.8% 9.9%
Clinical Social Worker 0.0% $25,497 0.0% ( 0.0%) - 0.0% 9.9%
Mass Immunization Roster Billers (Mass Immunizers have to roster bill assigned claims and can only bill for immunizations) 0.0% $0 0.0% 0.0% - 0.0% 12.6%
Radiation Therapy Centers 0.0% $0 0.0% 0.0% - 0.0% 21.9%
All Provider Types 5.0% $3,678,057,770 0.3% 4.4% - 5.7% 17.2%
Internal Medicine 7.6% $601,424,011 0.5% 6.7% - 8.5% 19.0%
Cardiology 5.1% $325,652,570 0.5% 4.0% - 6.1% 16.0%
Pulmonary Disease 19.3% $291,337,094 10.3% ( 0.9%) - 39.5% 25.0%
Family Practice 6.4% $253,401,309 0.5% 5.4% - 7.5% 19.8%
General Practice 22.2% $212,369,460 6.2% 10.2% - 34.3% 53.2%
Emergency Medicine 10.7% $180,887,379 5.0% 0.9% - 20.6% 19.5%
Obstetrics/Gynecology 23.8% $136,576,170 13.7% ( 3.2%) - 50.7% 30.8%
General Surgery 6.6% $115,182,292 1.4% 3.8% - 9.4% 18.9%
Orthopedic Surgery 4.4% $114,135,388 0.6% 3.3% - 5.5% 16.7%
Nephrology 8.3% $113,844,580 1.4% 5.6% - 11.0% 15.4%
Gastroenterology 7.3% $98,157,283 1.3% 4.8% - 9.8% 15.0%
Hematology/Oncology 2.4% $92,340,993 0.6% 1.3% - 3.5% 12.0%
Chiropractic 15.3% $92,309,814 1.5% 12.4% - 18.2% 30.6%
Psychiatry 10.7% $81,500,712 3.7% 3.5% - 18.0% 20.3%
Ambulance Service Supplier (e.g., private ambulance companies, funeral homes) 2.3% $75,786,308 0.7% 1.0% - 3.6% 17.0%
Urology 4.2% $72,463,458 0.7% 2.8% - 5.6% 13.4%
Physical Therapist in Private Practice 6.1% $65,752,382 1.0% 4.1% - 8.1% 21.5%
Ophthalmology 1.8% $65,405,586 0.3% 1.3% - 2.3% 11.8%
Neurology 6.0% $64,840,444 0.9% 4.1% - 7.8% 18.4%