Discipline
Specific
Data

Page 2

Discipline-specific data on total number of of Medical Matrix web site listings as of Dec. 14, 2000 with number of categories (maximum 18), ratio of #listings to #categories, and number of practitioners in US (society members) from http://www.ama-assn.org/med_link/nation.htm and, where appropriate, the ratio of Medical Matrix site listings to practitioners.

Specialties (3263 entries)

Addiction and Substance Abuse (34) - 9 of 18 Ratio 34/9 = 3.77
AIDS (88) 13 of 18 Ratio 88/13 = 4.89
Allergy (47) 12 of 18 Ratio 47/12 = 3.91 6,000 One listing for each 128 allergists
Anesthesiology (90) 14 of 18 Ratio 90/14 = 6.43 30,000 One listing for each 333 anesthesiologists
Aviation Medicine (15) 6 of 18 Ratio 15/6 = 2.50
Bariatrics (22) 6 of 18 Ratio 22/6 = 3.67
Cardiology (196) 18 of 18 Ratio 196/18 = 10.89 25,000 One listing for each 128 cardiologists
Critical Care (37) 11 of 18 Ratio 37/11 = 2.05 9,700 One listing for each 262 intensivists
Dermatology (95) 15 of 18 Ratio 95/15 = 6.33 13,000 One listing for each 137 dermatologists
Emergency Medicine (73) 15 of 18 Ratio 73/15 = 4.87 21,000 One listing for each 287 emergency physicians
Endocrinology (55) 14 of 18 Ratio 55/14 = 3.93 9,000 One listing for each 164 endocrinologists
Environmental Health (52) 10 of 18 Ratio 52/10 = 5.20
Epidemiology (12) 4 of 18 Ratio 12/4 = 3.00
Family Medicine (72) 13 of 18 Ratio 72/13 = 5.54 89,400 One listing for each 1242 family physicians
Gastroenterology (109) 17 of 18 Ratio 109/17 = 6.41 11,200 One listing for each 103 gastroenterologists
Genetics (45) 12 of 18 Ratio 45/12 = 3.75
Geriatrics (73) 12 of 18 Ratio 73/12 = 6.08 6,000 One listing for each 82 geriatricians.
Gynecology (71) 16 0f 18 Ratio 71/16 = 4.44 40,000 (Ob Gyn) One listing for each 404 ObGyn practitioners.
Hematology (51) 15 of 18 Ratio 51/15 = 3.40 9,500 One listing for each 186 hematologists.
Immunology (34) 11 of 18 Ratio 34/11 = 3.09
Infectious Diseases (106) 15 of 18 Ratio 106/15 = 7.07 5,500 One listing for each 52 infectious disease specialists.
Internal Medicine (48) 9 of 18 Ratio 48/9 = 5.33 90,000
Metabolic Medicine and Nutrition (63) 12 of 18 Ratio 63/12 = 5.25
Neonatology (88) 11 of 18 Ratio 88/11 = 8.00
Nephrology (44) 14 of 18 Ratio 44/14 = 3.14 7,500 One listing for each 170 nephrologists
Neurology (109) 15 of 18 Ratio 109/15 = 7.27 16,900 One listing for each 155 neurologists
Neurosurgery (40) 13 of 18 Ratio 40/13 = 3.08 5,400 One listing for each 135 neurosurgeons
Nuclear Medicine (41) 10 0f 18 Ratio 41/10 = 4.10
Obstetrics (28) 13 of 18 Ratio 28/13 = 2.15 40,000 (Ob Gyn) One listing for each 404 ObGyn practitioners.
Occupational Medicine (40) 8 of 18 Ratio 40/8 = 5.00
Oncology (139) 13 of 18 Ratio 139/13 = 10.70 15,000 One listing for each 107 oncologists.
Ophthalmology (80) 16 of 18 Ratio 80/16 = 5.00 27,000 One listing for each 337 ophthalmologists.
Orthopedics (70) 17 of 18 Ratio 70/17 = 4.12 24,000 One listing for each 342 orthopedic surgeons.
Otorhinolaryngology (50) 14 of 18 Ratio 50/14 = 3.57 10,000 One listing for each 200 otorhinolaryngologists.
Pathology (63) 12 of 18 Ratio 63/12 = 5.25 15,000 One listing for each 238 pathologists
Pediatrics (121) 17 of 18 Ratio 121/17 = 7.12 55,000 One listing for each 454 pediatricians.
Pharmacy (114) 14 of 18 Ratio 114/14 = 8.14
Prevention Medicine (20) 10 of 18 Ratio 20/10 = 2.00 2,000
Psychiatry (80) 14 of 18 Ratio 80/14 = 5.71 6,300 (child and adolescent)
Public Health (27) 10 of 18 Ratio 27/10 = 2.70
Pulmonology (57) 14 of 18 Ratio 57/14 = 4.07 15,000 (Chest) One listing for each 263 pulmonary physicians.
Radiation Oncology (7) 6 of 18 Ratio 7/6 = 1.17
Radiology (158) 15 of 18 Ratio 158/15 = 10.53 30,000
Rehabilitation and Physical Medicine (11) 6 of 18 Ratio 11/6 = 1.83 6,200 One listing for each 564 RPM physicians.
Reproductive Medicine (50) 10 of 18 Ratio 50/10 = 5.00
Rheumatology (50) 14 of 18 Ratio 50/14 = 3.57 2,000
Sports Medicine (20) 10 of 18 Ratio 20/10 = 2.00
Surgery (75) 15 of 18 Ratio 75/15 = 5.00 56,000
Surgery, Cardiovascular (24) 12 of 18 Ratio 24/12 = 2.00
Surgery, Pediatric (8) 7 of 18 Ratio 8/7 = 1.14
Surgery, Plastic (22) 7 of 18 Ratio 22/7 = 3.14 2,700
Surgery, Thoracovascular (11) 7 of 18 Ratio 11/7 = 1.58 13,500 One listing for each 1227 thoracovascular surgeons
Toxicology (24) 11 of 18 Ratio 24/11 = 2.18
Transplant Medicine (19) 9 of 18 Ratio 19/9 = 2.11
Trauma Medicine (27) 9 of 18 Ratio 27/9 = 3.00
Travel Medicine (17) 7 of 18 Ratio 17/7 = 2.43
Urology (41) 12 of 18 Ratio 41/12 = 3.42 13,000 One listing for each 317 urologists.

 


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