| Addiction Medicine Specialist | 1,824 | 1,815 | 373 | 1,683 | 1,051 | 1,784 | |
| Addiction Psychiatrist | 349 | 348 | 69 | 335 | 172 | 343 | |
| Aerospace Medicine Specialist | 441 | 440 | 54 | 401 | 168 | 437 | |
| Allergist & Immunologist | 5,048 | 5,044 | 901 | 3,510 | 2,603 | 4,977 | |
| Anatomic & Clinical Pathologist | 13,503 | 13,441 | 2,524 | 6,796 | 2,793 | 13,095 | |
| Anatomic Pathologist | 12,467 | 12,393 | 2,377 | 6,327 | 2,607 | 12,103 | |
| Anesthesiologist | 50,324 | 50,134 | 17,943 | 16,436 | 7,629 | 48,558 | |
| Cardiologist | 24,331 | 23,797 | 7,312 | 11,270 | 8,521 | 23,373 | |
| Cardiovascular Disease Specialist | 19,896 | 19,870 | 5,794 | 9,683 | 7,489 | 19,538 | |
| Child & Adolescent Psychiatrist | 3,918 | 3,892 | 674 | 3,259 | 1,856 | 3,822 | |
| Critical Care Specialist | 7,209 | 7,156 | 1,480 | 4,125 | 2,464 | 7,091 | |
| Cytopathologist | 1,356 | 1,348 | 336 | 989 | 527 | 1,339 | |
| Dermatologist | 13,071 | 12,859 | 6,390 | 7,945 | 5,816 | 12,697 | |
| Dermatopathologist | 789 | 779 | 324 | 637 | 417 | 775 | |
| Diagnostic Radiologist | 31,136 | 31,134 | 5,416 | 10,880 | 5,016 | 30,194 | |
| Emergency Medicine Physician | 59,805 | 59,605 | 9,870 | 23,121 | 9,230 | 57,502 | |
| Family Medicine Physician | 127,817 | 127,491 | 19,913 | 68,456 | 51,681 | 119,054 | |
| Forensic Pathologist | 420 | 419 | 78 | 343 | 139 | 418 | |
| Gastroenterologist | 13,361 | 13,226 | 3,308 | 6,855 | 5,291 | 12,990 | |
| Geriatrician | 7,113 | 7,019 | 1,353 | 5,043 | 3,058 | 6,929 | |
| Gynecologic Oncologist | 883 | 883 | 191 | 657 | 449 | 875 | |
| Gynecologist | 44,991 | 44,849 | 7,861 | 22,356 | 16,160 | 43,492 | |
| Hand Surgeon | 1,637 | 1,622 | 567 | 1,256 | 946 | 1,602 | |
| Hematologist | 11,764 | 11,632 | 2,380 | 6,319 | 4,170 | 11,418 | |
| Hepatologist | 149 | 136 | 41 | 123 | 62 | 135 | |
| Infectious Disease Specialist | 6,624 | 6,598 | 1,489 | 4,065 | 2,560 | 6,487 | |
| Internal Medicine Physician | 236,032 | 235,932 | 42,171 | 104,567 | 73,284 | 216,441 | |
| Interventional Cardiologist | 1,476 | 1,425 | 469 | 1,085 | 788 | 1,417 | |
| Medical Geneticist | 1,146 | 1,132 | 174 | 862 | 448 | 1,125 | |
| Nephrologist | 8,288 | 8,176 | 2,017 | 4,294 | 3,098 | 8,059 | |
| Neurologist | 18,175 | 17,824 | 3,890 | 9,957 | 6,731 | 17,545 | |
| Neuropathologist | 294 | 287 | 40 | 241 | 114 | 285 | |
| Nuclear Medicine Specialist | 1,174 | 1,141 | 256 | 907 | 442 | 1,129 | |
| Obstetrician & Gynecologist (ob Gyn) | 49,108 | 48,927 | 9,030 | 24,137 | 17,024 | 47,358 | |
| Occupational Medicine Specialist | 1,869 | 1,867 | 294 | 1,457 | 790 | 1,840 | |
| Oncologist | 1,471 | 1,357 | 114 | 1,171 | 310 | 1,342 | |
| Orthopaedic Surgeon | 26,906 | 26,736 | 10,464 | 12,324 | 9,406 | 26,156 | |
| Osteopathic Physician | 3,139 | 3,102 | 740 | 2,401 | 1,465 | 3,070 | |
| Otolaryngologist (ent Specialist) | 9,600 | 9,561 | 2,328 | 5,402 | 3,781 | 9,407 | |
| Pain Medicine Specialist | 4,927 | 4,924 | 1,447 | 3,890 | 2,896 | 4,870 | |
| Pathologist | 18,409 | 17,867 | 4,044 | 9,009 | 3,768 | 17,431 | |
| Pediatric Radiologist | 760 | 760 | 125 | 422 | 195 | 754 | |
| Pediatric Surgeon | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pediatrician | 84,050 | 83,562 | 19,879 | 35,597 | 23,126 | 80,327 | |
| Physiatrist (physical Medicine & Rehabilitation Specialist) | 13,166 | 13,154 | 2,484 | 9,463 | 5,706 | 12,899 | |
| Plastic & Reconstructive Surgeon | 1,564 | 1,560 | 400 | 1,305 | 883 | 1,542 | |
| Plastic Surgeon | 8,842 | 8,777 | 2,643 | 6,681 | 4,821 | 8,660 | |
| Preventive Medicine Specialist | 4,840 | 4,837 | 754 | 4,062 | 2,040 | 4,770 | |
| Psychiatrist | 51,308 | 51,055 | 8,845 | 32,451 | 18,814 | 49,270 | |
| Pulmonologist | 6,447 | 6,422 | 1,223 | 4,173 | 2,964 | 6,326 | |
| Radiation Oncologist | 4,593 | 4,593 | 798 | 2,629 | 1,762 | 4,549 | |
| Radiologist | 42,672 | 42,623 | 7,560 | 15,264 | 7,534 | 41,185 | |
| Reproductive Endocrinologist | 1,033 | 1,020 | 237 | 705 | 500 | 999 | |
| Rheumatologist | 4,797 | 4,790 | 765 | 3,239 | 2,332 | 4,725 | |
| Sleep Medicine Specialist | 366 | 359 | 65 | 319 | 200 | 356 | |
| Sports Medicine Physician | 4,012 | 3,978 | 689 | 3,448 | 2,063 | 3,913 | |
| Surgeon | 83,544 | 82,366 | 23,424 | 42,261 | 30,075 | 78,726 | |
| Surgical Oncologist | 750 | 750 | 159 | 608 | 360 | 737 | |
| Urologist | 10,119 | 10,108 | 4,313 | 5,517 | 4,056 | 9,979 | |
| Vascular Surgeon | 6,639 | 6,595 | 1,571 | 4,228 | 2,959 | 6,528 | |
| Doctors Email List | 911,678 | 902,094 | 193,016 | 374,581 | 250,890 | 734,591 | |