Healthcare professionals in Oak Brook, IL
- Healthcare professionals
- 1,246
- Physicians (MD, DO)
- 220
- Nurses and NPs
- 122
- Physician assistants
- 32
- Behavioral health clinicians
- 409
There are 220 physicians among 1,246 healthcare professionals in Oak Brook.
Find work emails and mobile numbers for 1,246 Oak Brook HCPs
Validated work emails and mobile numbers for Oak Brook physicians, nurses and every other HCP type, found through healthcare waterfall enrichment, with a free Dmand AI account.
There are 220 physicians (MD and DO) among 1,246 healthcare professionals in Oak Brook, IL
Counting every HCP with an active NPI and an Oak Brook practice address. Behavioral health clinicians are the largest group, with 409, and physical and occupational therapists second, with 266.
Oak Brook HCPs by type
- Behavioral health clinicians409
- Therapists (PT and OT)266
- Physicians (MD, DO)220
- Nurses and nurse practitioners122
- Dentists and dental staff46
- Physician assistants32
- Athletic trainers31
- Chiropractors29
- Pharmacists22
- Non-clinical and support staff15
- Other HCPs54
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Nephrology is the most common physician specialty in Oak Brook, with 68 physicians
Psychiatry is second, with 19, and dermatology third, with 18. Each physician is counted once, under the primary specialty on their NPI record.
- Nephrology68
- Psychiatry19
- Dermatology18
- Internal medicine13
- Anesthesiology9
- Surgery7
- Neonatal-perinatal medicine6
- Obstetrics and gynecology6
- Family medicine5
- General practice5
- Gastroenterology4
- Orthopaedic surgery4
- Physical medicine and rehabilitation4
- Reproductive endocrinology4
- Sports medicine (orthopaedic surgery)4
- Adult reconstructive orthopaedic surgery3
Sources: NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Nephrology Associates of Northern Illinois and Indiana (NANI) has the most doctors of any Oak Brook medical group, with 115
Advance Inpatient Medicine is second with 46 physicians, and Radiation Oncology Consultants third with 29. 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 817 of 1,246 Oak Brook 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 Oak Brook healthcare professionals, with 532
Therapy and rehab centers are second, with 205. A clinician can practice at several kinds of site, so the shares overlap. Pharmacies are left out.
Oak Brook HCPs by site of care
- Group practices and clinics532
- Therapy and rehab centers205
- Hospitals163
- Ambulatory surgery centers76
- Dialysis centers63
- Physician offices57
- Skilled nursing facilities18
- Home health agencies11
- Clinical labs6
- Hospices5
See every site where Oak Brook 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 1,246.
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
37% of Oak Brook physicians finished medical school 30 or more years ago
58 of the 158 Oak Brook physicians with a graduation year on file. 14 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago14
- 10 to 19 years ago35
- 20 to 29 years ago51
- 30 to 39 years ago34
- 40 or more years ago24
Source: Dmand AI Professional Profile Data
Every Oak Brook 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 Oak Brook 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 Oak Brook practice address.
FAQ
Frequently asked questions about doctors and healthcare professionals in Oak Brook
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 Oak Brook?
220 physicians (MDs and DOs) have an active NPI and an Oak Brook practice address, among 1,246 Oak Brook healthcare professionals.
What are the most common physician specialties in Oak Brook?
By primary specialty: nephrology (68), psychiatry (19), dermatology (18), internal medicine (13), anesthesiology (9).
Which medical groups have the most Oak Brook doctors?
Nephrology Associates of Northern Illinois and Indiana (NANI) (115 physicians), Advance Inpatient Medicine (46 physicians) and Radiation Oncology Consultants (29 physicians). Counts are physicians with an Illinois address.
How many Oak Brook physicians finished medical school 30 or more years ago?
58 of the 158 with a graduation year on file, or 37%. 14 graduated in the last 10 years.
How can I contact healthcare professionals in Oak Brook?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for healthcare professionals in Oak Brook 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 Oak Brook healthcare professionals
Search 1,246 Oak Brook HCPs by specialty, hospital, group and city, with validated work emails and mobile numbers.
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