OB-GYNs in Illinois
- OB-GYNs
- 2,035
- Linked to a hospital or group
- 1,560
- Hospitals with an OB-GYN
- 142
- Medical groups with an OB-GYN
- 208
- Cities
- 159
There are 2,035 OB-GYNs in Illinois. Dreyer Medical Clinic (Advocate Medical Group) has the most, 151, and Northwestern Medicine Central DuPage Hospital has the most affiliated OB-GYNs, 134. Chicago is home to 663, and 37% finished medical school 30 or more years ago.
Find work emails and mobile numbers for all 2,035 Illinois OB-GYNs
Validated work emails and mobile numbers for Illinois OB-GYNs, found through healthcare waterfall enrichment, with a free Dmand AI account.
Illinois OB-GYNs, listed A to Z by last name
Each OB-GYN on the list has obstetrics and gynecology as their primary specialty and an Illinois practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
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Sort and filter all 2,035 Illinois OB-GYNs by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.
Showing 1 to 10 of 1,665 Illinois OB-GYNs
The list shows the 1,665 OB-GYNs with a public profile. The other 370 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 1,816 of 2,035 Illinois OB-GYNs, 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.
Dreyer Medical Clinic (Advocate Medical Group) has the most OB-GYNs in Illinois, with 151
Endeavor Health Medical Group is second with 147, and Northwestern Medical Faculty Foundation third with 98. Counts are OB-GYNs with an Illinois address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Northwestern Medicine Central DuPage Hospital has the most affiliated OB-GYNs in Illinois, with 134
Evanston Hospital is second with 122, and Northwestern Memorial Hospital third with 104. Illinois OB-GYNs are affiliated with 142 hospitals in all.
See every hospital and group for each Illinois OB-GYN
Each public profile names one place an OB-GYN practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Chicago has the most OB-GYNs in Illinois, with 663
More Illinois cities with OB-GYNs
- Park Ridge42
- Winfield41
- Hoffman Estates40
- Naperville39
- Oak Lawn39
- Peoria35
- Rockford35
- Aurora30
- Arlington Heights24
OB-GYNs practice in 159 Illinois cities. Every city with 10 or more has its own page.
Source: NPPES NPI Registry (CMS)
Most Illinois OB-GYNs practice at a hospital: 1,191 of the 1,530 with a mapped site
1,016 also practice at a medical group site, and 163 at physician offices. An OB-GYN can practice at several kinds of site, so the shares overlap.
Illinois OB-GYNs by site of care
- Hospitals1,191
- Medical group practices1,016
- Physician offices163
- FQHCs131
- Breast imaging centers127
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
37% of Illinois OB-GYNs finished medical school 30 or more years ago
491 of the 1,316 Illinois OB-GYNs with a graduation year on file. 215 graduated in the last 10 years.
Physicians by years since medical school
- Under 10 years ago215
- 10 to 19 years ago336
- 20 to 29 years ago274
- 30 to 39 years ago311
- 40 or more years ago180
Source: Dmand AI Professional Profile Data
Every Illinois OB-GYN profile shows current hospitals and groups, Medicare activity and 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 OB-GYN 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
OB-GYNs are HCPs whose primary specialty is obstetrics and gynecology (taxonomy code 207V00000X), with an active NPI and an Illinois practice address.
FAQ
Frequently asked questions about OB-GYNs 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 OB-GYNs are in Illinois?
2,035 OB-GYNs have an active NPI, an Illinois practice address and obstetrics and gynecology (taxonomy code 207V00000X) as their primary specialty. 1,560 of them are linked to a hospital or medical group.
Which Illinois medical groups have the most OB-GYNs?
Dreyer Medical Clinic (Advocate Medical Group), with 151, followed by Endeavor Health Medical Group with 147 and Northwestern Medical Faculty Foundation with 98.
Which Illinois hospitals have the most OB-GYNs?
Northwestern Medicine Central DuPage Hospital, with 134 affiliated OB-GYNs, followed by Evanston Hospital with 122 and Northwestern Memorial Hospital with 104.
Which Illinois cities have the most OB-GYNs?
Chicago, with 663, followed by Bannockburn (73) and Springfield (68). OB-GYNs practice in 159 Illinois cities in all.
How many Illinois OB-GYNs finished medical school 30 or more years ago?
491 of the 1,316 with a graduation year on file, or 37%. 215 graduated in the last 10 years.
What is the taxonomy code for obstetrics and gynecology?
207V00000X is the NPPES taxonomy code for obstetrics and gynecology. Sub-specialties with their own code are counted on their own lists.
How can I contact OB-GYNs in Illinois?
Dmand AI finds validated work emails, mobile numbers and practice phone numbers for OB-GYNs 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 OB-GYNs
Search 2,035 Illinois OB-GYNs by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.
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