Doctors in Maryland: 14,344 enrolled in Medicare
Maryland has 14,344 MD and DO clinicians enrolled in Medicare in the CMS file dated Aug 18, 2026: 229 per 100,000 residents, 18th of 51 (the states and DC), against 214 for the US. The most are in Baltimore, 3,124 in our physician files. Per capita Maryland is strongest in critical care physicians (2nd, 4.0 per 100,000), ophthalmologists (3rd, 7.5 per 100,000) and allergists (3rd, 1.6 per 100,000).
By Ryan Doyle, founder of Doctor Email List. Published Oct 5, 2026.
Maryland physicians by specialty
Every specialty with at least one clinician in Maryland, 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 | Maryland | Per 100,000 | Rank | US per 100,000 |
|---|---|---|---|---|
| Nurse Practitioners | 5,916 | 94.5 | 25th | 83.7 |
| Internal Medicine Physicians | 2,830 | 45.2 | 6th | 30.9 |
| Physician Assistants | 2,738 | 43.7 | 27th | 40.8 |
| Family Physicians | 1,289 | 20.6 | 49th | 28.7 |
| Anesthesiologists | 952 | 15.2 | 14th | 13.3 |
| OB/GYNs | 784 | 12.5 | 8th | 10.1 |
| Radiologists | 636 | 10.2 | 31st | 11.1 |
| Emergency Physicians | 599 | 9.6 | 48th | 13.5 |
| Psychiatrists | 599 | 9.6 | 16th | 8.4 |
| Optometrists | 562 | 9.0 | 43rd | 10.9 |
| Orthopedic Surgeons | 558 | 8.9 | 14th | 7.4 |
| Cardiologists | 527 | 8.4 | 22nd | 8.7 |
| Ophthalmologists | 468 | 7.5 | 3rd | 5.3 |
| Hospitalists | 460 | 7.3 | 23rd | 7.1 |
| Chiropractors | 432 | 6.9 | 46th | 11.8 |
| General Surgeons | 423 | 6.8 | 37th | 6.9 |
| Neurologists | 398 | 6.4 | 14th | 5.5 |
| Podiatrists | 370 | 5.9 | 9th | 4.7 |
| Oncologists | 329 | 5.3 | 19th | 5.0 |
| Gastroenterologists | 311 | 5.0 | 16th | 4.7 |
| Dermatologists | 290 | 4.6 | 11th | 4.0 |
| Pediatricians | 259 | 4.1 | 23rd | 3.8 |
| Critical care physicians | 253 | 4.0 | 2nd | 1.8 |
| Pathologists | 235 | 3.8 | 22nd | 3.8 |
| ENTs | 223 | 3.6 | 9th | 2.9 |
| Nephrologists | 221 | 3.5 | 8th | 2.9 |
| Physiatrists | 220 | 3.5 | 9th | 2.7 |
| Urologists | 211 | 3.4 | 16th | 3.0 |
| Pulmonologists | 202 | 3.2 | 32nd | 3.4 |
| Endocrinologists | 187 | 3.0 | 6th | 2.1 |
| Infectious Disease Physicians | 176 | 2.8 | 8th | 2.1 |
| Rheumatologists | 131 | 2.1 | 8th | 1.6 |
| Plastic Surgeons | 116 | 1.9 | 7th | 1.4 |
| Pain Management Physicians | 109 | 1.7 | 7th | 1.4 |
| Allergists | 100 | 1.6 | 3rd | 1.1 |
| Neurosurgeons | 97 | 1.5 | 35th | 1.7 |
| Vascular Surgeons | 94 | 1.5 | 10th | 1.2 |
| Radiation Oncologists | 74 | 1.2 | 44th | 1.6 |
| Geriatric medicine physicians | 62 | 1.0 | 9th | 0.6 |
| General practice physicians | 59 | 0.9 | 16th | 1.2 |
| Cardiothoracic Surgeons | 58 | 0.9 | 43rd | 1.2 |
| Hospice and palliative care physicians | 33 | 0.5 | 32nd | 0.7 |
| Sports medicine physicians | 31 | 0.5 | 39th | 0.7 |
| Sleep medicine physicians | 25 | 0.4 | 22nd | 0.3 |
| Colorectal surgeons | 24 | 0.4 | 32nd | 0.5 |
| Nuclear medicine physicians | 17 | 0.3 | 7th | 0.2 |
| Hematologists | 16 | 0.3 | 24th | 0.3 |
| Micrographic dermatologic surgeons | 16 | 0.3 | 10th | 0.2 |
| Preventive medicine physicians | 15 | 0.2 | 8th | 0.2 |
| Osteopathic manipulative medicine physicians | 8 | 0.1 | 36th | 0.3 |
| Addiction medicine physicians | 8 | 0.1 | 29th | 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 Maryland. Nurse practitioners, physician assistants, chiropractors and optometrists have their own files and are not in the MD and DO total. Maryland ranks lowest per capita in family physicians (49th, 20.6 per 100,000) and emergency physicians (48th, 9.6 per 100,000).
Where Maryland physicians practice
In the 13,733 clinicians Maryland has across the physician specialty files we sell, counted once each, 43% are women and 31% offer telehealth. The median graduation year is 2003. These are the cities with the most of them.
| City | Clinicians | Share of Maryland |
|---|---|---|
| Baltimore | 3,124 | 23% |
| Largo | 869 | 6.3% |
| Columbia | 637 | 4.6% |
| Bethesda | 630 | 4.6% |
| Rockville | 514 | 3.7% |
Largest practice groups in Maryland
Groups ranked by the number of Maryland clinicians the CMS file lists under them. 82% of Maryland 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 | Maryland clinicians listed |
|---|---|
| Johns Hopkins University | 1,770 |
| Kaiser Foundation Health Plan of the Mid Atlantic States, Inc | 1,262 |
| Medstar Medical Group II LLC | 583 |
| Suburban/Nrh Medical Rehabilitation Inc | 434 |
| Privia Medical Group, LLC | 405 |
A health system can appear under more than one legal name, so a group here may be part of a larger one.
Questions about Maryland doctors
14,344 MD and DO clinicians in Maryland 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 229 per 100,000 residents, 18th 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 Maryland, with 5,916, then internal medicine physicians with 2,830. 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 Maryland 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.