| Allergist Email List | 6,200 | 1,381 | 6,073 | 3,937 | 2,812 | 5,885 | |
| Allergy Immunology Email List | 6,198 | 1,380 | 6,072 | 3,936 | 2,811 | 5,884 | |
| Anesthesiologist Email List | 68,266 | 23,352 | 67,699 | 23,314 | 9,763 | 60,958 | |
| Audiologist Email List | 19,851 | 57 | 19,793 | 11,219 | 5,471 | 16,618 | |
| Bariatric Physician Email List | 342 | 88 | 243 | 279 | 129 | 240 | |
| Cardiologist Email List | 40,643 | 12,244 | 37,491 | 17,325 | 12,281 | 35,924 | |
| Cardiothoracic Vascular Surgeons Email List | 5,627 | 1,348 | 5,627 | 3,401 | 2,273 | 5,445 | |
| Cardiovascular Surgeon Email List | 10,617 | 2,490 | 10,313 | 6,142 | 4,129 | 9,867 | |
| Chiropractor Email List | 109,323 | 14,226 | 94,818 | 83,111 | 47,851 | 72,735 | |
| Colorectal Surgeons Email List | 2,089 | 473 | 2,027 | 1,375 | 964 | 1,933 | |
| Cosmetic Surgeons Email List | 8,533 | 2,932 | 8,264 | 6,589 | 4,584 | 7,980 | |
| Dental Surgeon Email List | 9,305 | 77 | 9,185 | 6,119 | 3,836 | 8,652 | |
| Dentist Email List | 290,109 | 36,027 | 254,037 | 190,924 | 97,488 | 182,673 | |
| Dermatologist Email List | 18,427 | 8,690 | 17,577 | 11,082 | 7,832 | 16,607 | |
| Diabetes Specialist Email List | 11,200 | 2,201 | 10,908 | 7,060 | 4,518 | 10,476 | |
| Emergency Medicine Email List | 85,726 | 15,280 | 85,070 | 36,122 | 11,344 | 76,648 | |
| Emergency Medicine Physicians Email List | 465 | 381 | 7 | 162 | 21 | 7 | |
| Endocrinologist Email List | 12,573 | 2,928 | 12,266 | 7,534 | 4,993 | 11,689 | |
| Endodontists Email List | 6,176 | 0 | 6,176 | 4,577 | 2,556 | 5,940 | |
| ENT Specialist Email List | 14,762 | 4,272 | 14,316 | 8,298 | 5,743 | 13,620 | |
| Family and General Practice Email List | 145,781 | 4,566 | 145,479 | 113,343 | 59,238 | 114,925 | |
| Family Marital Therapist Email List | 81,545 | 791 | 80,744 | 56,706 | 14,768 | 60,153 | |
| Family Medicine Specialist Email List | 161,524 | 26,898 | 160,412 | 85,451 | 57,815 | 145,249 | |
| Family Practitioners Email List | 155,409 | 25,948 | 154,368 | 81,337 | 55,907 | 139,915 | |
| Gastroenterologist Email List | 20,789 | 5,161 | 20,291 | 10,050 | 7,292 | 19,341 | |
| General Practitioner Email List | 155,536 | 26,073 | 154,368 | 81,382 | 55,911 | 139,915 | |
| General Surgeons Email List | 490 | 330 | 5 | 217 | 22 | 5 | |
| Gynecologist Email List | 59,060 | 11,172 | 58,556 | 29,330 | 20,180 | 54,716 | |
| Hand Surgeon Email List | 2,377 | 784 | 2,281 | 1,745 | 1,258 | 2,197 | |
| Hematologist Email List | 18,769 | 4,896 | 17,705 | 8,774 | 5,428 | 16,868 | |
| Hospitalists Email List | 45,053 | 2,125 | 43,424 | 21,081 | 6,979 | 41,476 | |
| Immunologist Email List | 26,323 | 7,583 | 23,748 | 12,466 | 8,119 | 22,662 | |
| Internal Medicine Email List | 339,470 | 75,908 | 328,824 | 150,794 | 95,904 | 291,929 | |
| Interventional Cardiologist Email List | 193 | 133 | 0 | 96 | 7 | 0 | |
| Neurologist Email List | 76,317 | 5,417 | 74,997 | 42,122 | 23,248 | 68,783 | |
| Neuromusculoskeletal Medicine Email List | 1,614 | 427 | 1,612 | 1,297 | 855 | 1,578 | |
| Neuropathologist Email List | 291 | 83 | 276 | 227 | 107 | 267 | |
| Neurosurgeons Email List | 2,809 | 2,352 | 1,727 | 1,476 | 1,057 | 1,718 | |
| Nuclear Medicine Specialist Email List | 3 | 3 | 0 | 3 | 0 | 0 | |
| Nurse Practitioner Email List | 431,004 | 8,071 | 422,462 | 233,385 | 79,590 | 407,274 | |
| Nurses Email List | 824,056 | 46,121 | 776,731 | 417,908 | 112,021 | 728,385 | |
| Obstetricians and Gynecologists Email List | 59,417 | 11,173 | 58,896 | 29,540 | 20,213 | 55,048 | |
| Oncologist Email List | 36,866 | 12,894 | 29,842 | 14,250 | 8,637 | 28,322 | |
| Ophthalmologist Email List | 25,229 | 5,829 | 24,781 | 13,774 | 10,180 | 23,698 | |
| Optometrist Email List | 61,165 | 545 | 60,616 | 38,809 | 21,377 | 50,184 | |
| Oral Surgeons Email List | 10,153 | 78 | 10,035 | 6,660 | 4,138 | 9,435 | |
| Orthodontist Email List | 0 | 0 | 0 | 0 | 0 | 0 | |
| Orthopedic Surgeons Email List | 36,685 | 15,033 | 35,549 | 17,239 | 12,938 | 33,607 | |
| Osteopathic Email List | 890,961 | 19 | 890,942 | 343,092 | 193,864 | 721,379 | |
| Otolaryngologist Email List | 14,469 | 4,088 | 14,202 | 8,112 | 5,667 | 13,510 | |
| Pain Medicine Email List | 73,211 | 24,270 | 72,419 | 26,464 | 12,095 | 65,392 | |
| Pathologist Email List | 27,665 | 10,061 | 23,217 | 12,282 | 5,087 | 21,868 | |
| Pediatric Dentists Email List | 9,637 | 1 | 9,636 | 7,071 | 3,294 | 8,978 | |
| Pediatric Surgeons Email List | 1,532 | 512 | 1,412 | 910 | 506 | 1,349 | |
| Pediatrician Email List | 177,250 | 31,135 | 173,495 | 86,056 | 41,740 | 156,739 | |
| Pharmacist Email List | 321,626 | 21,561 | 299,544 | 179,201 | 52,363 | 249,817 | |
| Physical Therapist Email List | 332,056 | 8,035 | 323,684 | 158,743 | 41,856 | 226,717 | |
| Physician Assistant Email List | 522,794 | 5,243 | 513,418 | 264,735 | 87,538 | 487,865 | |
| Plastic and Reconstructive Surgeons Email List | 2,860 | 2,774 | 2,556 | 2,434 | 1,812 | 2,529 | |
| Plastic Surgeons Email List | 2,906 | 2,814 | 2,556 | 2,457 | 1,819 | 2,529 | |
| Podiatrist Email List | 22,886 | 215 | 22,695 | 15,523 | 10,992 | 19,938 | |
| Preventive Medicine Email List | 6,064 | 903 | 6,059 | 4,716 | 2,213 | 5,870 | |
| Prosthodontists Email List | 1 | 1 | 0 | 1 | 1 | 0 | |
| Psychiatrist Email List | 385,361 | 19,022 | 382,497 | 206,064 | 64,145 | 227,702 | |
| Psychologist Email List | 154,895 | 13,847 | 138,265 | 104,204 | 36,951 | 97,558 | |
| Radiation Oncologist Email List | 6,865 | 1,790 | 6,412 | 3,512 | 2,116 | 6,075 | |
| Radiologist Email List | 57,180 | 12,493 | 56,111 | 19,892 | 9,492 | 52,174 | |
| Recreational Therapist Email List | 2,254 | 291 | 1,963 | 1,499 | 244 | 805 | |
| Respiratory Therapist Email List | 619,392 | 1,582 | 617,809 | 331,449 | 63,504 | 395,429 | |
| Rheumatologist Email List | 7,621 | 1,249 | 7,548 | 4,553 | 3,143 | 7,189 | |
| Speech Therapist Email List | 134 | 134 | 0 | 105 | 21 | 0 | |
| Surgeons Email List | 140,085 | 35,648 | 134,342 | 72,693 | 49,640 | 122,437 | |
| Surgical Oncologist Email List | 33 | 31 | 0 | 25 | 4 | 0 | |
| Therapist Email List | 2,165,875 | 25,124 | 2,140,243 | 1,041,484 | 210,365 | 1,004,012 | |
| Urological Surgeons Email List | 304 | 289 | 29 | 180 | 37 | 28 | |
| Urologist Email List | 98,659 | 13,833 | 97,132 | 53,059 | 31,320 | 88,925 | |
| Vascular Surgeons Email List | 1,840 | 1,798 | 1,669 | 1,425 | 1,046 | 1,658 | |
| Vitreoretinal Surgeons Email List | 1,151 | 35 | 1,101 | 608 | 440 | 1,078 | |