Healthcare professionals in Illinois
- Healthcare professionals
- 242,668
- Physicians (MD, DO)
- 51,118
- Nurses and NPs
- 27,876
- Physician assistants
- 6,320
- Cities with 50+ HCPs
- 328
There are 51,118 physicians among 242,668 healthcare professionals in Illinois. Chicago has the most, 62,882, and Northwestern Medicine Central DuPage Hospital has the most affiliated doctors, 3,584.
Find work emails and mobile numbers for 242,668 Illinois HCPs
Validated work emails and mobile numbers for Illinois physicians, nurses and every other HCP type, found through healthcare waterfall enrichment, with a free Dmand AI account.
There are 51,118 physicians (MD and DO) among 242,668 healthcare professionals in Illinois
Counting every HCP with an active NPI and an Illinois practice address. Behavioral health clinicians are the largest group, with 63,899, and nurses and nurse practitioners third, with 27,876.
Illinois HCPs by type
- Physicians (MD, DO)51,118
- Therapists (PT and OT)22,900
- Pharmacists10,837
- Non-clinical and support staff8,947
- Athletic trainers6,690
- Physician assistants6,320
- Other HCPs21,005
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Internal medicine is the most common physician specialty in Illinois, with 7,430 physicians
Family medicine is second, with 6,187, and pediatrics third, with 3,184. Each physician is counted once, under the primary specialty on their NPI record.
- Internal medicine7,433
- Family medicine6,187
- Pediatrics3,187
- Emergency medicine2,966
- Anesthesiology2,506
- Psychiatry2,133
- Obstetrics and gynecology2,035
- Diagnostic radiology1,726
- Surgery1,617
- Hospitalist1,363
- Orthopaedic surgery1,024
- Cardiovascular disease1,007
- Neurology972
- Ophthalmology875
- Gastroenterology841
- Anatomic pathology and clinical pathology768
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Northwestern Medicine Central DuPage Hospital has the most affiliated doctors in Illinois, with 3,584
Northwestern Memorial Hospital in Chicago is second with 2,851 physicians, and Evanston Hospital third with 2,664. Physicians are counted at each hospital where they have a current affiliation, wherever they live.
| # | Hospital | Health system | Physicians | HCPs |
|---|---|---|---|---|
| 1 | Northwestern Medicine Central DuPage HospitalWinfield | Northwestern Medicine | 3,584 | 5,452 |
| 2 | Northwestern Memorial HospitalChicago | Northwestern Medicine | 2,851 | 4,036 |
| 3 | Evanston HospitalEvanston | Endeavor Health | 2,664 | 4,152 |
Source: Dmand AI Affiliation Data
Northwestern Medical Faculty Foundation has the most Illinois doctors of any medical group, with 3,118
Endeavor Health Medical Group is second with 3,048 physicians, and Dreyer Medical Clinic (Advocate Medical Group) third with 3,020. Counts are physicians and HCPs with an Illinois address.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
For health IT teams
Dmand AI has the EHR for 119,525 of 242,668 Illinois HCPs, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Group practices and clinics are the most common site of care for Illinois healthcare professionals, with 54,845
Hospitals are second, with 52,291. A clinician can practice at several kinds of site, so the shares overlap. Pharmacies are left out.
Illinois HCPs by site of care
- Group practices and clinics54,845
- Hospitals52,291
- Physician offices9,596
- Clinical labs5,994
- Home health agencies5,033
- Therapy and rehab centers4,663
- Breast imaging centers4,455
- FQHCs3,403
- Ambulatory surgery centers2,978
- Skilled nursing facilities2,281
See every site where Illinois HCPs practice
Each public profile names one place an HCP practices. A free account shows every current hospital, clinic and medical group, the employer and validated contacts for all 242,668.
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
Chicago has the most doctors in Illinois, with 62,882 healthcare professionals
More Illinois cities with 2,000 or more HCPs
- Schaumburg4,107
- Aurora3,327
- Oak Lawn3,303
- Arlington Heights2,763
- Glenview2,597
- Park Ridge2,405
- Northbrook2,325
- Winfield2,275
- Elgin2,261
328 Illinois cities have 50 or more HCPs, and each one has its own page.
Source: NPPES NPI Registry (CMS)
34% of Illinois physicians finished medical school 30 or more years ago
10,279 of the 30,487 Illinois physicians with a graduation year on file. 5,148 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago5,148
- 10 to 19 years ago8,307
- 20 to 29 years ago6,753
- 30 to 39 years ago5,640
- 40 or more years ago4,639
Source: Dmand AI Professional Profile Data
Every Illinois HCP profile shows where they practice now, their Medicare activity and their NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Illinois HCP directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
The directory counts HCPs with an active individual NPI, a name and an Illinois practice address.
FAQ
Frequently asked questions about doctors and healthcare professionals in Illinois
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many doctors are in Illinois?
51,118 physicians (MDs and DOs) have an active NPI and an Illinois practice address, among 242,668 Illinois healthcare professionals.
How many healthcare professionals are in Illinois?
242,668: 63,899 behavioral health clinicians, 51,118 physicians, 27,876 nurses and nurse practitioners, 22,900 physical and occupational therapists and 76,875 others.
What are the most common physician specialties in Illinois?
By primary specialty: internal medicine (7,430), family medicine (6,187), pediatrics (3,184), emergency medicine (2,965), anesthesiology (2,506).
Which Illinois hospitals have the most doctors?
Northwestern Medicine Central DuPage Hospital, with 3,584 affiliated physicians, followed by Northwestern Memorial Hospital with 2,851 and Evanston Hospital with 2,664.
Which Illinois cities have the most doctors?
Chicago, with 62,882 healthcare professionals, 17,171 of them physicians. Peoria (5,138) and Springfield (5,032) follow.
How can I contact healthcare professionals in Illinois?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for healthcare professionals in Illinois through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.
Dmand AI
Find the right contacts among Illinois healthcare professionals
Search 242,668 Illinois HCPs by specialty, hospital, group and city, with validated work emails and mobile numbers.
- 30 days free
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- No credit card