Doctors in Wisconsin: 13,379 enrolled in Medicare
Wisconsin has 13,379 MD and DO clinicians enrolled in Medicare in the CMS file dated Aug 18, 2026: 224 per 100,000 residents, 19th of 51 (the states and DC), against 214 for the US. The most are in Milwaukee, 1,867 in our physician files. Per capita Wisconsin is strongest in hospitalists (4th, 12.4 per 100,000) and chiropractors (5th, 26.6 per 100,000).
By Ryan Doyle, founder of Doctor Email List. Published Oct 5, 2026.
Wisconsin physicians by specialty
Every specialty with at least one clinician in Wisconsin, largest first. Rank is among the states and DC (51 in all) by clinicians per 100,000 residents. Where we have a state page or a list for the specialty, the name links to it.
| Specialty | Wisconsin | Per 100,000 | Rank | US per 100,000 |
|---|---|---|---|---|
| Nurse Practitioners | 5,444 | 91.3 | 30th | 83.7 |
| Physician Assistants | 3,156 | 52.9 | 20th | 40.8 |
| Family Physicians | 2,282 | 38.3 | 12th | 28.7 |
| Chiropractors | 1,585 | 26.6 | 5th | 11.8 |
| Internal Medicine Physicians | 1,291 | 21.7 | 40th | 30.9 |
| Emergency Physicians | 890 | 14.9 | 21st | 13.5 |
| Anesthesiologists | 884 | 14.8 | 15th | 13.3 |
| Radiologists | 777 | 13.0 | 10th | 11.1 |
| Optometrists | 775 | 13.0 | 20th | 10.9 |
| Hospitalists | 738 | 12.4 | 4th | 7.1 |
| OB/GYNs | 581 | 9.7 | 28th | 10.1 |
| Psychiatrists | 520 | 8.7 | 20th | 8.4 |
| General Surgeons | 520 | 8.7 | 11th | 6.9 |
| Cardiologists | 504 | 8.5 | 21st | 8.7 |
| Orthopedic Surgeons | 495 | 8.3 | 17th | 7.4 |
| Neurologists | 332 | 5.6 | 20th | 5.5 |
| Oncologists | 320 | 5.4 | 18th | 5.0 |
| Ophthalmologists | 279 | 4.7 | 29th | 5.3 |
| Gastroenterologists | 260 | 4.4 | 25th | 4.7 |
| Pathologists | 250 | 4.2 | 17th | 3.8 |
| Podiatrists | 245 | 4.1 | 23rd | 4.7 |
| Dermatologists | 223 | 3.7 | 27th | 4.0 |
| Pulmonologists | 196 | 3.3 | 26th | 3.4 |
| Pediatricians | 195 | 3.3 | 35th | 3.8 |
| Urologists | 185 | 3.1 | 24th | 3.0 |
| Physiatrists | 175 | 2.9 | 16th | 2.7 |
| ENTs | 166 | 2.8 | 32nd | 2.9 |
| Nephrologists | 149 | 2.5 | 34th | 2.9 |
| Critical care physicians | 138 | 2.3 | 11th | 1.8 |
| Endocrinologists | 137 | 2.3 | 13th | 2.1 |
| Infectious Disease Physicians | 132 | 2.2 | 17th | 2.1 |
| Radiation Oncologists | 124 | 2.1 | 7th | 1.6 |
| Neurosurgeons | 100 | 1.7 | 27th | 1.7 |
| Rheumatologists | 99 | 1.7 | 18th | 1.6 |
| Pain Management Physicians | 82 | 1.4 | 19th | 1.4 |
| Plastic Surgeons | 76 | 1.3 | 25th | 1.4 |
| Allergists | 67 | 1.1 | 13th | 1.1 |
| Cardiothoracic Surgeons | 64 | 1.1 | 28th | 1.2 |
| Vascular Surgeons | 56 | 0.9 | 40th | 1.2 |
| Geriatric medicine physicians | 51 | 0.9 | 11th | 0.6 |
| Hospice and palliative care physicians | 47 | 0.8 | 15th | 0.7 |
| Sports medicine physicians | 46 | 0.8 | 24th | 0.7 |
| General practice physicians | 29 | 0.5 | 45th | 1.2 |
| Sleep medicine physicians | 26 | 0.4 | 17th | 0.3 |
| Colorectal surgeons | 21 | 0.4 | 37th | 0.5 |
| Preventive medicine physicians | 15 | 0.3 | 6th | 0.2 |
| Hematologists | 12 | 0.2 | 29th | 0.3 |
| Micrographic dermatologic surgeons | 11 | 0.2 | 18th | 0.2 |
| Nuclear medicine physicians | 9 | 0.2 | 22nd | 0.2 |
| Osteopathic manipulative medicine physicians | 7 | 0.1 | 39th | 0.3 |
| Addiction medicine physicians | 7 | 0.1 | 31st | 0.2 |
Counts are one row per NPI under the clinician's primary Medicare specialty, from the CMS file dated Aug 18, 2026. Rates use the Census Bureau's July 2024 estimate for Wisconsin. Nurse practitioners, physician assistants, chiropractors and optometrists have their own files and are not in the MD and DO total.
Where Wisconsin physicians practice
In the 12,388 clinicians Wisconsin has across the physician specialty files we sell, counted once each, 37% are women and 23% offer telehealth. The median graduation year is 2006. These are the cities with the most of them.
| City | Clinicians | Share of Wisconsin |
|---|---|---|
| Milwaukee | 1,867 | 15% |
| Madison | 1,481 | 12% |
| Green Bay | 592 | 4.8% |
| Marshfield | 438 | 3.5% |
| La Crosse | 383 | 3.1% |
Largest practice groups in Wisconsin
Groups ranked by the number of Wisconsin clinicians the CMS file lists under them. 89% of Wisconsin physicians with a group on file are in a group of 50 or more listed clinicians, against 80% across the US.
| Practice or health system, as CMS prints it | Wisconsin clinicians listed |
|---|---|
| Aurora Medical Group, INC. | 1,796 |
| University of Wisconsin Medical Foundation Inc | 1,309 |
| The Medical College of Wisconsin Inc | 1,037 |
| McHs Hospitals Inc | 501 |
| Dean Health Systems Inc | 462 |
A health system can appear under more than one legal name, so a group here may be part of a larger one.
Questions about Wisconsin doctors
13,379 MD and DO clinicians in Wisconsin are enrolled in Medicare in the CMS file dated Aug 18, 2026, one per NPI, in the state of their main practice location. That is 224 per 100,000 residents, 19th of 51 among the states and DC. Physicians who bill no Medicare patients are not in the file.
Nurse Practitioners are the largest group in Wisconsin, with 5,444, then physician assistants with 3,156. Nurse practitioners and physician assistants are counted in their own files and are not in the MD and DO total.
We sell national lists, one CSV per specialty for $295, or every specialty in one file for $995. We don't sell a state-only file. City, state and ZIP are on nearly every row, so keeping the Wisconsin rows is one filter in any spreadsheet.
States with a similar count per capita
Specialty email lists
National CSVs, one per specialty. City, state and ZIP are on the rows, so any state is one filter away.