Addiction medicine 64 76 -12

Anesthesiologist Assistant 50 57 -7

Podiatry 33 40 -7

Mass Immunization Roster Biller 65 72 -7

Registered Dietician/Nutrition Professional 52 58 -6

Sports Medicine 61 66 -5

Psychiatry 43 47 -4

Endocrinology 69 73 -4

Peripheral vascular disease 37 41 -4

Interventional Pain Management 21 24 -3

Cardiac Electrophysiology 66 69 -3

Chiropractic 28 31 -3

Nuclear medicine 29 32 -3

Geriatric medicine 6 9 -3

Hand surgery 72 75 -3

Certified Registered Nurse Anesthetists (CRNA) 26 29 -3

Family practice 36 38 -2

Diagnostic radiology 31 33 -2

Urology 60 62 -2

Clinical psychologist (billing indepedently) 18 20 -2

Occupational therapist 58 60 -2

Licensed clinical social worker 19 21 -2

Hematology 5 7 -2

Preventive medicine 49 51 -2

Emergency medicine 32 34 -2

Interventional radiology 41 43 -2

Physician assistant 23 25 -2

Anesthesiology 48 49 -1

Neurology 62 63 -1

Neurosurgery 9 10 -1

Orthopedic surgery 47 48 -1

Plastic and Reconstructive surgery 45 46 -1

Thoracic surgery 25 26 -1

Infectious disease 34 35 -1

Rheumatology 63 64 -1

Single or Multispecialty clinic or group practice 17 18 -1

Cardiac surgery 35 36 -1

Certified clinical nurse specialist 12 13 -1

Gynecologist/oncologist 4 5 -1

Table 8A. Rank Comparison for TINs with 1+ EPs - Specialty-Adjusted (weighted by NPIs in 

each Specialty)

Specialty Rank in Original 

Analysis

Rank in SpecialtyAdjusted AnalysisDifference in Rank 

(Original - Adjusted)

Rank by % of Relationships in High Cost TINs
General surgery 22 22 0

Internal medicine 14 14 0

Obstetrics/gynecology 55 55 0

Physical medicine and rehabilitation 16 16 0

Certified nurse midwife 54 54 0

Nurse practitioner 15 15 0

Audiologist 74 74 0

Pain Management 11 11 0

Critical care (intensivists) 42 42 0

Hematology/oncology 2 2 0

Medical oncology 1 1 0

Radiation oncology 3 3 0

General practice 20 19 1

Allergy/immunology 71 70 1

Hospice and Palliative Care 13 12 1

Oral surgery (dentists only) 46 45 1

Pulmonary disease 51 50 1

Nephrology 68 67 1

Physical therapist 53 52 1

Clinical psychologist 24 23 1

Vascular surgery 40 39 1

Otolaryngology 70 68 2

Gastroenterology 67 65 2

Pathology 39 37 2

Geriatric Psychiatry 8 6 2

Unknown physician specialty 10 8 2

Cardiology 59 56 3

Colorectal surgery 30 27 3

Maxillofacial surgery 56 53 3

Surgical oncology 7 4 3

Dermatology 75 71 4

Neuropsychiatry 37 28 9

Osteopathic manipulative therapy 27 17 10

Pediatric medicine 57 44 13

Speech-language pathologist 44 30 14

Optometry 73 59 14

Ophthalmology 76 61 15

*Note: green indicates that a specialty had higher rank (proportionally more high cost 

billing relationships) when evaluating overall per capita cost than when evaluating 

specialty-weighted per capita cost. Yellow indicates that a specialty had a lower rank 

when evaluating overall per capita cost than when evaluating specialty-weighted per 

capita cost.
Table 8B. Quintile Stability - Values

1 2 3 4 5

1 15 - - - -

2 - 13 2 - -

3 - 2 11 2 -

4 - - 2 12 1

5 - - - 1 15

Table 8C. Quintile Stability - Percent

1 2 3 4 5

1 100% 0% 0% 0% 0% 100%

2 0% 87% 13% 0% 0% 100%

3 0% 13% 73% 13% 0% 100%

4 0% 0% 13% 80% 7% 100%

5 0% 0% 0% 6% 94% 100%

Specialty-Adjusted Quintile

Original 

Quintile

Specialty-Adjusted Quintile Total

Original 

Quintile